Chemical JeopardyChemical JeopardyMolarityMolarity EM EM
RadiationRadiationElectrons Electrons and ionsand ions
Atomic Atomic StructureStructure
Redox Redox ReactionsReactions
PotpourriPotpourri
100100 100100 100100 100100 100100 100100
200200 200200 200200 200200 200200 200200
300300 300300 300300 300300 300300 300300
400400 400400 400400 400400 400400 400400
500500 500500 500500 500500 500500 500500
Molarity 100Molarity 100
A solution of sodium hydroxide is prepared A solution of sodium hydroxide is prepared from 8.5g solid NaOH dissolved in enough from 8.5g solid NaOH dissolved in enough water to give a final volume of 125.0 mL. water to give a final volume of 125.0 mL. This is the molarity of that solution.This is the molarity of that solution.
What is 1.7 M?What is 1.7 M?
ChemChem is try is try
Molarity 200Molarity 200
You would need to dissolve this many You would need to dissolve this many grams of solid Cu(SOgrams of solid Cu(SO44))·5H·5H22OO in 735.0 mL in 735.0 mL
of dHof dH22O to give a final concentration of O to give a final concentration of
0.385M Cu(SO0.385M Cu(SO44))
What is 69.86g Cu(SOWhat is 69.86g Cu(SO44)?)?
ChemChem is try is try
Molarity 400Molarity 400
The final concentration of 1.3 L of The final concentration of 1.3 L of Mg(NOMg(NO33))22 is 0.22M. This was the original is 0.22M. This was the original
concentration before 500 mL of dHconcentration before 500 mL of dH22O were O were
added.added.
What is 0.3575 M Mg(N?OWhat is 0.3575 M Mg(N?O33))22??
ChemChem is try is try
Molarity 300Molarity 300
22.0mL of a 3.25M stock solution of H22.0mL of a 3.25M stock solution of H33POPO44
is diluted with dHis diluted with dH22O to a final volume of O to a final volume of
100.0mL. This is the molarity of the new 100.0mL. This is the molarity of the new solution.solution.
What is 0.715 M phosphoric acid?What is 0.715 M phosphoric acid?
ChemChem is try is try
Molarity 500Molarity 500
55.0mL of a 1.225M of KNO55.0mL of a 1.225M of KNO33 is diluted to is diluted to
70.0mL, at which point 2.36g solid KNO70.0mL, at which point 2.36g solid KNO33
are added, without a change in volume. are added, without a change in volume. This is the new molarity.This is the new molarity.
What is 1.30M KNOWhat is 1.30M KNO33??
ChemChem is try is try
EM Radiation 100EM Radiation 100
hh, or 6.63 x 10, or 6.63 x 10-34-34 J J · sec· sec
What is Planck’s Constant?What is Planck’s Constant?
ChemChem is try is try
EM Radiation 200EM Radiation 200
This is the frequency of an electromagentic This is the frequency of an electromagentic wave with wave with λλ = 65.0 cm. = 65.0 cm.
What is 4.6 x 10What is 4.6 x 1088 sec sec -1-1
ChemChem is try is try
EM Radiation 300EM Radiation 300
If a photon of light carries 6.31 x 10If a photon of light carries 6.31 x 10-16-16 J J energy, this is its wavelength.energy, this is its wavelength.
What is 315 pm?What is 315 pm?
ChemChem is try is try
EM Radiation 400EM Radiation 400
A photon of infrared light whose A photon of infrared light whose wavelength is 725nm carries this much wavelength is 725nm carries this much
energy.energy.
What is 2.74 x 10What is 2.74 x 10-19-19 J? J?
ChemChem is try is try
EM Radiation 500EM Radiation 500
Looking at the chart below, green plants Looking at the chart below, green plants will absorb light in the blue and red regions will absorb light in the blue and red regions of the electromagentic spectrum, but not of the electromagentic spectrum, but not the green region. It is for this reason that the green region. It is for this reason that they appear green. These are the values they appear green. These are the values for the energy in joules carried by photons for the energy in joules carried by photons of red and blue light, and this is the more of red and blue light, and this is the more energetic “color” of photon.energetic “color” of photon.
Next:
Electrons and Ions 100Electrons and Ions 100
This is the name of the family of This is the name of the family of elements that have seven valence elements that have seven valence
electrons.electrons.
What are the halogens?What are the halogens?
ChemChem is try is try
Electrons and Ions 200Electrons and Ions 200
Aluminum (Al) will most likely lose this Aluminum (Al) will most likely lose this many electrons to gain the Nobel gas many electrons to gain the Nobel gas
configuration of neonconfiguration of neon
What are three electrons?What are three electrons?
ChemChem is try is try
Electrons and Ions 300Electrons and Ions 300
1s1s222s2s222p2p663s3s223p3p664s4s223d3d10104p4p665s5s224d4d10105p5p666s6s224f4f141455dd10106p6p667s7s225f5f116d6d11
is the electron configuration of this element.is the electron configuration of this element.
What is the electron configuration of What is the electron configuration of thorium?thorium?
ChemChem is try is try
Electrons and Ions 400Electrons and Ions 400
If the phosphate polyatomic ion (POIf the phosphate polyatomic ion (PO44) )
carries a charge of -3, this is the most carries a charge of -3, this is the most likely ionic formula of calcium phosphate.likely ionic formula of calcium phosphate.
What is CaWhat is Ca33(PO(PO44))22
ChemChem is try is try
Electrons and Ions 500Electrons and Ions 500
In the following equation, these are the In the following equation, these are the charges on the metal ions:charges on the metal ions:
3Mg + 2Al(NO3Mg + 2Al(NO33))33 2Al + 3Mg(NO 2Al + 3Mg(NO33))22
What are 0, +3, 0, and +2?What are 0, +3, 0, and +2?
ChemChem is try is try
Atomic Structure 100Atomic Structure 100
With the exception of some of the lighter With the exception of some of the lighter atoms and the transition metals, atoms will atoms and the transition metals, atoms will
ionize to have this number of valence ionize to have this number of valence electrons.electrons.
What are eight electrons?What are eight electrons?
ChemChem is try is try
Atomic Structure 200Atomic Structure 200
This is the name of the rule stating that This is the name of the rule stating that each electron in a given atom must have a each electron in a given atom must have a
unique set of quantum numbersunique set of quantum numbers
What is Pauli’s Exclusion Principle?What is Pauli’s Exclusion Principle?
ChemChem is try is try
Atomic Structure 300Atomic Structure 300
Using arrow notation and keeping in mind Using arrow notation and keeping in mind Hund’s rule, this is the proper valence Hund’s rule, this is the proper valence
electron configuration of sulfur.electron configuration of sulfur.
What is What is ↓↑↓↑ ↑↓↑↓ ↑ ↑ ↑ ↑ ??3s 3p3s 3p
ChemChem is try is try
Atomic Structure 400Atomic Structure 400
This is the name of a decent mathematical This is the name of a decent mathematical explanation of explanation of whywhy a 4f orbital is more a 4f orbital is more energetic than a 6s orbital yet has a energetic than a 6s orbital yet has a
smaller radius.smaller radius.
What are Schrodinger’s Equations?What are Schrodinger’s Equations?
ChemChem is try is try
Atomic Structure 500Atomic Structure 500
This is a decent description (in terms of orbitals This is a decent description (in terms of orbitals and allowable energy levels) of why we can run and allowable energy levels) of why we can run a current through a tube of neon to get a pink a current through a tube of neon to get a pink
fluorescent light.fluorescent light.
What did Bohr have to say about atomic What did Bohr have to say about atomic structure?structure?
ChemChem is try is try
Redox Reactions 100Redox Reactions 100
This is the term given to an atom or ion This is the term given to an atom or ion that has gained electrons.that has gained electrons.
What is reduced?What is reduced?
ChemChem is try is try
Redox Reactions 200Redox Reactions 200
This is the term given to an atom or ion This is the term given to an atom or ion that accepts electrons from another atom that accepts electrons from another atom
or ion.or ion.
What is an oxidizing agent?What is an oxidizing agent?
ChemChem is try is try
Redox Reactions 300Redox Reactions 300
In the following reaction, this element is gaining In the following reaction, this element is gaining electrons and this element is losing them.electrons and this element is losing them.
Mg + ZnSOMg + ZnSO44 Zn + MgSO Zn + MgSO44
What is zinc and what is magnesium ?What is zinc and what is magnesium ?
Chem is tryChem is try
Redox Reactions 400Redox Reactions 400
Given the below equation, this is what an alternator Given the below equation, this is what an alternator does, and why it is needed in a car battery:does, and why it is needed in a car battery:
Pb + PbOPb + PbO22 + 2H + 2H22SOSO44 2PbSO 2PbSO44 + 2H + 2H22O + EnergyO + Energy
What reverses direction of the reaction to replenish What reverses direction of the reaction to replenish the reactants (Pb and PbOthe reactants (Pb and PbO22)?)?
Chem is tryChem is try
Redox Reactions 500Redox Reactions 500
Given the data below, this is the relative reactivity of Given the data below, this is the relative reactivity of copper, zinc, silver, and lead metal:copper, zinc, silver, and lead metal:
Cu + AgNOCu + AgNO33 flakey solid forms flakey solid forms
Cu + PbNOCu + PbNO33 no observable reaction no observable reaction
Pb + CuNOPb + CuNO33 metal darkens significantly metal darkens significantly
Zn + AgNOZn + AgNO33 shiny solid forms shiny solid forms
Pb + ZnNOPb + ZnNO33 no observable reaction no observable reaction
Answer: Ag, Cu, Pb, ZnAnswer: Ag, Cu, Pb, Zn
Chem is tryChem is try
Potpourri 100Potpourri 100
GramGrampa Simpson’s new hybrid car now gets pa Simpson’s new hybrid car now gets 4.17 furlongs to the quart. This is the fuel 4.17 furlongs to the quart. This is the fuel efficiency of his car in kilometers per liter efficiency of his car in kilometers per liter
when 1 furlong = 7920 in, 1 in = 2.54 cm, 1 when 1 furlong = 7920 in, 1 in = 2.54 cm, 1 quart = 32 ounces, and 1 ounce = 29.57 mLquart = 32 ounces, and 1 ounce = 29.57 mL
What is 0.889 km/LWhat is 0.889 km/L
Chem is tryChem is try
Potpourri 200Potpourri 200
This element is formed when This element is formed when 235235U gives off U gives off three alpha particles and later emits two three alpha particles and later emits two
beta particles.beta particles.
What is What is 223223Ra (radium)?Ra (radium)?
Chem is tryChem is try
Potpourri 300Potpourri 300
On Superbowl Sunday, 25.0g of COn Superbowl Sunday, 25.0g of C22HH66O O
react with excess oxygen in a Steelers react with excess oxygen in a Steelers fan’s liver. This many grams of carbon fan’s liver. This many grams of carbon
dioxide are produced. dioxide are produced.
What are 47.83g COWhat are 47.83g CO22??
Chem is tryChem is try
Potpourri 400Potpourri 400An experiment that led to the formation of the An experiment that led to the formation of the
field of organic chemistry involved the synthesis field of organic chemistry involved the synthesis of urea, CNof urea, CN22HH44O, by the controlled reaction of O, by the controlled reaction of
ammonia, NHammonia, NH33, and carbon dioxide. This is the , and carbon dioxide. This is the
theoretical yield of urea when 100.0g ammonia theoretical yield of urea when 100.0g ammonia is reacted with 100.0g carbon dioxide.is reacted with 100.0g carbon dioxide.
What is 136 g urea?What is 136 g urea?
Chem is tryChem is try
Potpourri 500Potpourri 500
Resonance, Gibb’s free energy, Resonance, Gibb’s free energy, things tend towards low potential things tend towards low potential
energy, carbon makes four bonds, energy, carbon makes four bonds, and Le’Chatelier’s Principle.and Le’Chatelier’s Principle.
What are the five things Mr. P really cares about in chemistry?What are the five things Mr. P really cares about in chemistry?
Chem is tryChem is try