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Chemistry Regents Review

Chemistry Regents Review - WELCOME STUDENTS€¦ · 2. 6. 3. 7. Filtration: Used to separate a solid from a liquid. WILL NOT SEPARATE A DISSOLVED SUBSTANCE! Distillation Separates

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Page 1: Chemistry Regents Review - WELCOME STUDENTS€¦ · 2. 6. 3. 7. Filtration: Used to separate a solid from a liquid. WILL NOT SEPARATE A DISSOLVED SUBSTANCE! Distillation Separates

Chemistry Regents Review

Page 2: Chemistry Regents Review - WELCOME STUDENTS€¦ · 2. 6. 3. 7. Filtration: Used to separate a solid from a liquid. WILL NOT SEPARATE A DISSOLVED SUBSTANCE! Distillation Separates

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Table of Contents

Review #1-2: Introduction/Matter and Energy……………………pg 3

Review #3: Atomic Concepts…………………………………………….pg 6

Review #4: Periodic Table…………………………….……………………

Review #5: Bonding and Shapes……………………………………...pg 19

Review #6: Polarity and Intermolecular Forces…………………...pg

Review #7: Chemical Reactions…..…………………………………………

Review #8: The Mole and Stoichiometry……………………………...pg

Review #9: Equilibrium and Solutions...........................................

Review #10: Energy and Kinetics…………………..…………………………

Review #11: Acids and Bases………………………………………..…pg 48

Review #12: Redox………………………………………………………...pg 52

Review #13: Nuclear Chemistry……………………………………….pg 57

Review #14: Organic Chemistry……………………………………….

Review #15: Reference Tables……………………………………..….pg 63

Review #16: Big Ideas……………………………..……………………..

pg 3

pg 12

pg 17

pg 22

pg 26

pg 30

pg 32

pg 35

pg 39

pg 45

pg 49

pg 54

pg 59

pg 63

pg 66

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Review #1-2 Introduction/matter

403.00 _____ 8.100 x 105 _____ 0.0010 _____ 3,500,000 _____

When calculating:

Metric System:

Multiplying and dividing: round to the same number of significant digits

as the factor with the least number of significant digits

Adding and Subtracting: round to the same decimal place as the factor

with the least number of decimal places.

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Some important formulas:

Matter and Energy

Matter: has _______ and ______ Energy: capacity to do _______ and

produce _________

The Law of Conservation of Mass:

Solids Liquids Gases

Key Idea: Temperature is a measurement of _______________ _____________ ___________. All three phases differ by the amount of movement among particles.

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Combined Gas Law

• (note: temperature in Kelvin)

Avogradro's Law

• Same volumes have same number of particles

Graham's Law

• Lighter gases diffuse/effuse faster

Dalton's Law

• Total pressure is the sum of all the partial pressures

Kinetic Molecular Theory describes an __________ gas: Gas particles are in ____________, ___________, ____________ motion Gas particles are separated by ____________ distances relative to size. The volume of

particles is considered _____________. Gas particles have no ________________ forces between themselves. This occurs best

at _______ temperatures and _______ pressures. Collisions between the particles and the _______ of their containers create

___________ and are perfectly ___________ (transfer of energy).

In reality:

Key Idea: Kinetic Molecular Theory is a model that is used to explain the behavior of matter. It describes relationships among pressure, volume, temperature, velocity, frequency, and force of _____________.

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Changes in Phase:

Physical Change Chemical Change

Melting Vaporization Sublimation Freezing Condensation Deposition

Key Idea: A heating curve (which shows an _______________ process) demonstrates that during a phase change, the _____________ ___________ __________, or temperature, does not change.

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Element: ___________________________________________________________________

Compound: _________________________________________________________________

Mixture: ____________________________________________________________________

Homogeneous: ______________________________________________________

Heterogeneous: _____________________________________________________

Approx 118 total Found on the Periodic Table Named after people, places, Latin origins, etc Cannot be broken down physically or chemically

Can be chemically separated Fixed ratio of components Properties of compound are different than individual components Written with formulas

Not pure substances Physically combined, can be physically separated Variable ratio Individual components retain properties

Key Idea: Elements and compounds are considered ________ _______________.

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Separating Mixtures:

1.

5.

2.

6.

3.

7.

Filtration: Used to separate a solid from a liquid. WILL NOT SEPARATE A DISSOLVED

SUBSTANCE!

Distillation: Separates two liquids

based on different boiling points.

Crystallization: Separated a dissolved

substance (aq) from its solvent

Chromatography: Separates based on

polarity and solubility

Practice Regents Questions

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4.

8.

9.

13.

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17.

18.

Particle of CO2:

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Review #3 Atomic Concepts

Define:

Atom: ____the basic unit of a chemical element_________

Atomic Number: _____ number of protons in an atom_____________

Mass Number: _____ total mass of the atom (protons + neutrons)_____________

Atomic Mass: _______ weighted average of naturally occurring isotopes_________

Isotope: ____ same element (protons), different mass (number of neutrons)_______

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Valence Electron: ____ outermost electron(s)_________________________

Orbital: _______ area of probable electron location___________________________

Principal Energy Level: ____ ‘shell’ of electrons - 7 total in atom_______________

Excited State: ______ electron has jumped to a higher energy level within atom__

Ground State: __ electrons are in lowest energy configuration (closest to nucleus)

Bright Line Spectrum: __ produced when electrons return to ground state_____

Electron Configurations: ___ denote how electrons are distributed in P.E.L.s____

Models of the Atom

Dalton’s Atomic Theory:

1. All elements are composed of ______________________ 2. All atoms of a given element are ___________________ 3. Atoms of different elements are ________________________________

J.J. Thomson:

Cathode ray tube experiments Discovered the electron Model of the atom: ___________________ Rutherford:

Gold Foil Experiment: Shot alpha particles at thin gold foil, most went straight through, some deflected

and other particles shot straight back.

1. ________________________________________________________________

2. ________________________________________________________________

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Bohr:

Planetary model of the atom Electrons are in defined ________around the nucleus. Wave-Mechanical Model:

In the wave – mechanical model (________________ ________________), the electrons are in

______________ , which are defined as regions of most ______________ electron location

(____________ __________________).

The wave- mechanical model describes the dual nature of the electron as it has properties of both a __________ and a ____________.

Subatomic Particles & Mass

3 subatomic particles make-up the atom:

1. _____________ located in ___________ charge of ____________ 2. _____________ located in ___________ charge of ____________ 3. _____________ located in ___________ charge of ____________

1 amu = __________________________ = mass of 1 proton or 1 neutron

Each atom has its own _____________ _____________ which equals the number of ___________

Key idea: The mass of each proton and each neutron is approximately equal to one atomic mass unit. An

electron is much less massive than a proton or neutron.

Electrons have a ______ charge. In a neutral atom the number of electrons = the number of

___________.

Key idea: The Atomic Number is equal to the number of ______________ in the nucleus of an atom.

The mass number is calculated by adding the number of _______________ + _______________.

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Key idea: The average atomic mass of an element is the ___________ ___________ of the masses of its

_____________ occurring ______________.

Electron Configuration & Bright Line Spectra Key Idea: The outermost electrons in an atom are called the ___________ electrons. The number of

valence electrons affects the chemical properties of an element.

Key idea: * Each electron in an atom has its own distinct amount of energy.

* When an electron in an atom gains a specific amount of energy, the electron is at a higher

energy state known as the ___________ _____________.

* When an electron returns from a higher energy to a lower energy state (_______ ________)

a specific amount of energy is released in the form of _____________.

The emitted energy can be used to identify an

element (_________________________)

1.

7.

2.

8.

3.

9.

Practice Regents Questions

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Review #4

Periodic Table

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Directions:

1. On the above table label the following: a. Group, Period, Noble Gases, Halogens, Transition Metals, Alkaline Earth Metals, Alkali

Metals. b. Place an X over the diatomic elements c. Circle the elements that are liquids d. List all of the gases: _____________________________________________________ e. Label the ions groups 1, 2, 13-18 form above the group.

Define: Atomic Radius: __distance from the nucleus to the outermost electron__________________________ Metallic Character: ___How easily an element loses an electron (reactivity)_______________________ Ionization Energy: __energy required to remove an electron___________________________________ Electronegativity: ____attraction/affinity for electrons in a bond________________________________ Facts and Trends of The Periodic Table 1. The elements on the periodic table are arranged in order of: _________________________________ 2. As you go across a period the atomic radius: ______________________________________________ 3. As you go down a group the atomic radius: ________________________________________________ 4. A positive ion has a _________ radius than the original atom 5. A negative ion has a ___________ radius than the original atom. 6. As you go across a period the ionization energy:___________________________________________ 7. As you go down a group the ionization energy: ___________________________________________

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8. As you go across a period the electronegativity: _________________________________________ 9. As you go down a group the electronegativity: ___________________________________________ 10. As you go across a period the metallic character of the elements: ____________________________ 11. As you go down a group the metallic character of the elements: ____________________________ 12. Name the two groups that are so chemically active that they occur naturally only in compounds. _________________________ 13. Name the group that contains elements in three phases of matter at room temp. ________________ 14. The majority of elements on the periodic table are in what phase at room temperature? __________ 15. The seven semimetals, found on the step line, are ______________________________ Properties of Metals and Nonmetals:

Metals Nonmetals

Location on table

Appearance

Physical properties

Phases

Only liquid example

Conductivity

Ionization

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Electronegativity

Ions formed

Diatomic Elements: _________________________________

Valence electrons are the ______________ electrons.

1.

8.

2.

9.

Key Idea: The periodic table is arranged by ____________ ___________. The properties of elements are ___________, or repeat.

Key Idea: Because each member of a __________ has the same number of valence electrons, each member of the group has ____________ _____________.

Key Idea: An ______ is an atom with a charge. Metals form ____________ ions by _________ electrons, while nonmetals form _______________ ions by ____________ electrons.

Practice Regents Questions

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3.

10.

4.

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6.

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7.

14.

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Review #5 Bonding and Shapes

Lewis Dot Diagrams: depict valence electrons

Li Ca O Br-1 Mg+2

H2O NH3 MgCl2 CO2 CH4

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Define: Ionic Bond: ________________________________________________________________

_____________________________________________________Example_______________

Covalent Bond: ____________________________________________________________

_____________________________________________________Example_______________

Octet Rule: ________________________________________________________________

Naming Ionic Compounds: name the ___________ and ____________. (Table E has ________________ ions). Add an _________ ending if the anion is not from table E.

Add roman numerals, which indicate the ___________, onto the following elements:

Naming Covalent Compounds: use the _____________ listed below. You can drop the _________ prefix on the ________ atom only. Writing Formulas: ensure that the ____________ balance.

Key Idea: Atoms will gain, lose, or share ___________ to become _________. Stability is achieved with ____ valence electrons. (Remember – first shell has _____ valence electrons)

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Criss cross method:

Types of Solids:

Crystalline Solid: Amorphous Solid:

Allotrope:

1.

6.

Practice Regents Questions

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2.

7.

3.

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11.

14.

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12.

15.

13.

16.

Review #6

Polarity and Intermolecular Forces

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Polar Bond: ________________________________________________________________

_____________________________________________________Example_______________

Nonpolar Bond: ____________________________________________________________

_____________________________________________________Example_______________

Shapes and Polarity: ____________________________________________________

Intermolecular Forces:

Bent:

Pyramidal:

Linear:

Trigonal Planar:

Tetrahedral:

Key Idea: The larger the _______________ in electronegativity, the more __________ the bond is.

Stronger Weaker

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Vapor Pressure: ____________________________________________________________

Key Idea: Intermolecular forces affect physical properties. The stronger a substance’s intermolecular substances, the __________ its boiling point, weaker its __________ pressure, and more _________ tension it experiences.

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1.

7.

2.

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3.

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5.

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6.

12.

Practice Regents Questions

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Review #7 Chemical Reactions

Synthesis

Decomposition

Single Replacement

Double Replacement

Single Replacement Occurs:

Double Replacement Occurs:

Balancing: remember, add ______________ only. Do the following reactions occur?

___Fe + ___NaCl ___Na + ___FeCl3

___Cu(OH)3 + ___NaCl ___CuCl3 + ___NaOH

Key Idea: The law of conservation of mass states that the number of atoms on each side of the equation must be the same.

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1.

5.

2.

6.

3.

7.

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8.

Practice Regents Questions

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Review #8 The Mole and Stoichiometry

Mathematical Calculations:

Gram Formula Mass: % Composition

Empirical/Molecular Formulas

The Mole:

Two most likely conversions:

Key Idea: Converting between any quantity and another is best accomplished with dimensional analysis. Ensure that your units cancel out.

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1.

6.

2.

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5.

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Practice Regents Questions

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Review #9 Equilibrium and Solutions

Chemical Equilibrium:

Equilibrium can also be in ________________. The processes of _______________ and _______________ are opposite reactions; ______________ equilibriums also exist.

Key Idea: When a system is at equilibrium, reaction _______ are equal. Concentrations of reactants and products are ____________, but not necessarily equal.

Le Chatelier’s Principle: _________________________________________________________ Stresses on a system include a change in: 1. 2. 3. Note: The addition of a catalyst ________________ the rate of the forward and reverse reactions. However, there is NO SHIFT IN EQUILIBRIUM.

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Soluble:__ability to dissolve_______Insoluble:___unable to dissolve __________

Solute: __ is dissolved____ Solvent: ____ does the dissolving_________________

Solution: _____ solute + solvent = homogeneous mixture______________________

Unsaturated: ____ solvent can hold more solute______________________________

Saturated: _____ solvent cannot hold more solute____________________________

Supersaturated: ___ solvent is holding more solute then it can hold__________

The solubility of a substance is affected by the ___________ of the solute/solvent, ______________, and _____________ (for gases only). The rate, or how quickly a solute dissolves, is affected by ______________, ____________, and ____________ ________.

“Like Dissolves Like”

When ionic substances dissolve, the _______ become surrounded by water molecules. The oxygen of surrounding water molecules are attracted to _____ ions, while the hydrogens of surrounding water molecules are attracted to ______ ions.

Colligative Property:

Na+ Cl-

Key Idea: Boiling point is __________, freezing point is ____________ with the addition of solutes. _______ and ___________ pressure also changes with the addition of solutes.

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1.

6.

2.

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Practice Regents Questions

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Review #10 Energy and Kinetics

Chemical Kinetics:

Reaction rates are affected by:

Energy:

1. What is the number of joules of energy released when 25g of water are cooled from 20 C to

10C?

2. What is the total number of kilojoules of heat needed to change 150g of ice to water at 0 C?

Key Idea: Collision theory states that for a reaction to occur, a ______________ must occur between two particles. The particles must have the correct _____________ and __________.

Mechanics and rates of reactions Particles must collide to react

Capacity to do work/produce heat Always transferred/change form = conservation of energy warm cold

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Catalyst

Exothermic Endothermic

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Heat of reaction: ΔH = ____________ Entropy: ΔS = ____________

Universal Tendencies:

Table I -ΔH = Exothermic

1. ________________ created 2. _______________ increased 3. more ______________ created 4. ___________ from solids and liquids

2. If 2.0 moles of nitrogen are consumed in this reaction, how much heat is absorbed?

1. Explain, in terms of ∆S and ∆H, why this reaction is spontaneous.

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1.

5.

2.

6.

3.

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4.

8.

Practice Regents Questions

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9.

12.

10.

13.

11.

14.

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Review #11 Acids and Bases

Define: Arrhenius Acid: ___donates H+

_____________________________________________

Arrhenius Base: ___ donates OH-___________________________________________

Bronsted-Lowry Acid: ____ donates H+_____________________________________

Bronsted-Lowry Base: ___ accepts H+____________________________________

Neutralization: ____ acid + base H2O + salt______________________________

Indicator: _____ changes color at different pH levels___________________________

Ionize/Dissociate: ____ molecules break into ions____________________________

pH: ___ measures amount of H+ ions________________________________________

Titration: ____ lab technique to measure molarity of acid/base____________

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Electrolytes: Titration:

Bronsted-Lowry:

Key Idea: _______, __________, and _________ ________ are all electrolytes due to their __________ ___________ ______________.

MAVA = MBVB Remember!

MA = molarity of H+ ions MB = molarity of OH- ions [H2SO4] = .3 M [H+] = [Ca(OH)2] = 1.4 M [OH-] = [H3PO4] = .15 M [H+] = [Mg(OH)2] = [OH-] = 1.5 M

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Practice Regents Questions

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7.

14.

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Review #12 Redox

“GER”

When an atom is oxidized (LOSE ELECTRONS) it acts as a ___________ ________because that electron is GAINED by another atom. When atom is reduced (GAINS ELECTRONS) it acts as an ____________ ________because the electron is LOST by another atom.

Oxidation:

Reduction:

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ell

.

1. Cu + 2AgNO3 Cu(NO3)2 + 2Ag Oxidized: ______ Oxidizing Agent: ________ Reduced: ______ Reducing Agent: ________ Oxidation ½ Reaction: ________________________ Reduction ½ Reaction: ________________________ 2. 2Mg + Pb(NO3)4 2Mg(NO3)2 + Pb Oxidized: _______ Oxidizing Agent: _________ Reduced: _______ Reducing Agent: _________ Oxidation ½ Reaction: __________________________________

Reduction ½ Reaction: __________________________________

Key Idea: A voltaic cell is a ________________ redox reaction. Oxidation occurs at the _______ (“____ ______”) and reduction at the ____________ (“ ______ _________”)

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1. Label the anode 2. Label the cathode 3. Draw in the flow of electrons 4. What is the purpose of the salt bridge? ________________________________ 5. Which electrode is gaining in mass? ___________________________________ 6. Which electrode is losing mass? ______________________________________ 7. Write the half reaction that takes place in half- cell 2: _____________________ 8. Write the half reaction that takes place in half- cell 1: _____________________ 9. Write the overall balanced redox reaction: ______________________________ 10. What type of energy conversion takes place in the cell shown? ____________

1. Label the anode 2. Label the cathode 3. Draw in the flow of electrons 4. Which electrode is gaining in mass? ___________ 5. Which electrode is losing mass?_______________ 6. What is the purpose of the battery? ___________________________________

Key Idea: An electrolytic cell is a __________________ reaction that requires an _________ energy source to occur. _______________ and ______________ are examples.

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1.

5.

2.

6.

3.

7.

4.

8.

Practice Regents Questions

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Review #13 Nuclear Chemistry

Nuclear Reactions:

239 Pu ___________________ 94

90 Sr ____________________ 38

53 Fe ____________________ 26

Key Idea: A nucleus that is ___________ will spontaneously emit radioactive particles. An atom’s nucleus is unstable if:

1. The _____________________________ is unbalanced.

2. The nucleus has more than ____________ and is simply too large to hold itself together.

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Half – Life

The amount of time it takes for half the sample to decay.

If I have a 12.5 gram sample of N-16, how much time has elapsed if the original sample was 100.0 grams?

How many grams of a 60 gram sample of Ra-226 will be left after 3198 years?

Tips for solving half-life problems:

Never divide grams by grams. You

can only multiply or divide grams

by 2.

# of H.L. = total time elapsed Length of H.L. Use Table N for specific times.

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Artifical Transmutation

Uses & Dangers of Radioisotopes

Radioactive isotopes have many beneficial uses. Several different radioactive isotopes are used

in medicine and industrial chemistry.

Tracing biological processes Detecting diseases Treating cancers/diseases Nuclear power

Fission

Fusion

Iodine – 131:

Carbon-14

Cobalt-60

U-238 to Pb-206

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1.

8.

2.

9.

3.

10.

4.

11.

5.

12.

6.

13.

7.

Practice Regents Questions

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Review #14 Organic Chemistry

Alkanes: Single bonds, Saturated

Draw and name: C3H8

Draw: Butane Name the structure below:

Alkenes: Double bonds, Unsaturated

Draw and name: C3H6

Draw: 1-butene Name the structure below:

Alkynes: Triple bonds, Unsaturated

Draw and name: C3H4

Draw: 2-pentyne Name the structure below:

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2-bromobutane

2,3-butandiol

Pentanoic acid

Ethyl pentanoate

Name the following:

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Organic Reactions:

Combustion

Hydrocarbon + O2

Fermentation

Sugar

Substitution

(remember: involves ______________ hydrocarbons)

Addition

(remember: involves ______________ hydrocarbons)

Esterfication

Saponification

Ester + Base Alcohol + Soap

Polymerization

Addition: Condensation:

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1. Put a circle around the alkanes, a square around the alkenes, and a triangle around the

alkynes.

Butane 3-propyne 2-methyl-1-hexene

2-octene 2,3-dimethyl octane

C4H6 C3H4 C7H16 C2H4 CH4

2. Which of the hydrocarbon series are considered saturated? ___________________

3. What is wrong with the following diagram?

4. Draw the isomers of hexane – try to do it without your notes - there are 5 total

5. Put a circle around the compounds that could be used in an addition reaction, and a

square which could be used in a substitution reaction.

C4H6 C3H4 C7H16 C2H4 CH4

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Review #15 Reference Tables

Directions: Find each of the following pieces of information in the Reference Tables. 1. If I start with 100 grams of a sample and after 58.2 years I have 25 grams,

what atom did I start with?

2. What is the name of the anion in KMnO4? What is its charge?

3. If a solution turns yellow with the addition of methyl orange and bromthymol blue, what range could the pH be?

4. How much NaNO3 can be dissolved in 200 grams of water at 45°C?

5. If I overhear a discussion about the pascal, what quantity is being discussed?

6. What classification of hydrocarbon would C2H4 be?

7. What liquid boils at 80°C under normal pressure (101.3 kPa)?

8. This element has an electronegativity of 2.6 and a boiling point of 718 K.

9. What is the standard temperature of water?

10. Is NaOH soluble under normal conditions?

11. Of the following compounds, the decomposition of which one is exothermic: KNO3, NH4Cl, NaOH, or NaCl.

12. What is the formula for acetic acid?

13. Can this reaction occur: Ag + CuNO3 ??

14. What emitted particle has a mass of 4 amu?

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15. CH3 – CH2 – O – CH3 would be what class of organic compound?

16. What element has an electron configuration of 2-8-1?

17. 1.5 x 10-9 meters can also be expressed as 1.5 ____meters.

18. What is the weighted average of all the naturally occurring isotopes of oxygen?

19. What is the heat of fusion of water? Using table T, solve the following problems:

1. Give the parts per million of solute for a solution containing 25g of sodium chloride in 200g of water.

2. If the accepted value for the mass of an object is 10.3g and a student

found that the mass was 10.1g, what is the student’s percent error? 3. If a peanut is burned in a calorimeter containing 50g of water, and the

water temperature changes from 450C to 570C, how many joules of energy were released by the peanut?

4. Convert: 40 grams of NaCl into moles of sodium chloride.

5. What mass of iron has the dimensions 3.20 cm x 6.50 cm x 0.30 cm?

6. Convert: 384 K into °C.

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7. A sample of gas is in a container at 30°C and 100 mL under a pressure of

40 kPa. If the container is put under STP conditions, what is the new volume of the container?

8. If I dissolve 5 moles of NaCl into 2.50 L of water, what is the molarity of the resulting solution?

9. 28 mL of 0.500 M HCl is required to neutralize 50. mL of NaOH. What is the molarity of the sodium hydroxide?

a. How would your answer change if the base being neutralized was Ca(OH)2?

10. What is the percentage composition of oxygen in MgSO4?

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Review #16 Big Ideas

1. Atomic # = # of Protons = # of electrons in an atom

2. Isotopes: Same element (same protons) different number of neutrons

3. How light is produced: An electron gains energy and jumps to a higher principle

energy level (excited state). Then the electron falls back to the ground state emitting

energy in the form of light.

4. Know Periodic Trends in atomic radius, ionization energy, and electronegativity.

5. Ideal Gas: High Temperature and Low Pressure

6. Heat is a form of energy. Heat travels from hot to cold.

7. When a chemical bond is formed energy is released.

8. When a chemical bond is broken energy is absorbed.

9. Temperature measures Average Kinetic Energy of molecules and atoms.

10. Higher boiling points = STRONGER intermolecular forces

11. If a substance sublimes at room temperature it has WEAK intermolecular forces.

12. Gases have the most entropy

13. A saturated solution is at equilibrium

14. Electrolytes: Ions in an aqueous solution that will conduct ELECTRICITY.

15. Electrolytes include: Acids, Bases, and Aqueous Salt solutions

16. Atoms are made up of mostly empty space.

17. Run away from an added stress in a reaction at equilibrium.

18. The addition of a catalyst to a reaction lowers the energy of activation.

19. Coefficients are used to balance an equation. They also represent the ratio of moles.

20. Standard Temperature Pressure (Table B).

21. Ionic Bond: Between a metal and a nonmetal

22. Covalent Bond: Between two nonmetals

23. Like polarity will dissolve in like polarity. (polar in polar, etc)

24. As temperature increases the solubility of a gas decreases.

25. Pressure affects the solubility of gases NOT solids.

26. Acids donate protons (H+ )

27. Bases accept protons (H+ )

28. Arrhenius Acids: Yield H+ ions

29. Arrhenius Bases: Yield OH-1 ions

30. Fission: (Look for NEUTRONS) ( )

31. Fusion: Combining of Hydrogen to make helium.(

1H + 3H 4He + Energy)

32. All reactions show a conservation of MASS, CHARGE and ENERGY

33. LEO: Lose electrons oxidation (get more +)

34. GER: Gain electrons reduction (get more -)

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35. An Ox: Anode Oxidation

36. Red Cat: Reduction Cathode

37. Alpha particles have a mass of 4 amu and a positive charge

38. Beta particles have no mass and a negative charge

39. Particle Diagrams:

Elements Compounds Heterogeneous Mixture

40. Collision Theory: If you add more reactants there will be more effective collisions

between the reactants causing the reaction to shift right and make more products.

41. H2 O2 F2 Br2 I2 N2 Cl2 : Diatomic elements

42. Valence Electrons: Are used in bonding and give elements their unique chemical

properties

43. If you see the word TITRATION or NEUTRALIZATION use the formula: MA VA =

MB VB

44. Mole – Mole problems: set up a proportion using coefficients and the # of moles

given

45. Mole – Gram or Gram – Mole conversions: Moles = Given Mass

Gram formula mass

46. Hydrocarbon: Alkane, Alkene, Alkyne

47. Class of organic compounds and functional groups: Table R

48. Organic Reaction: Substitution

Two reactants and two products

49. Organic Reaction: Addition

Two reactants and one product

50. Organic Reaction: Esterification

Organic Acid + Alcohol

51. Heating Curve for Water

q = mc ∆T

q = mHf

q = mHv