WednesdayMay 25, 2011

(Review for Semester Final)(Day 3)

Bell RingerWednesday, 5/25/11

No Bell Ringer Today.

Announcements

Please check your yearly average in this class.

If you are below 70 for the year, please come and see me

ASAP!

There are only two more grades remaining!

Six-Week’s Assignment List Date Issued Date Due

Quiz – TAKS Concepts 4/22 4/22

Video Worksheet – Carbon: The Element of Life 5/2 5/2

WS – Organic Chemistry 5/3 5/9

Quiz – Intro to Organic Chemistry and Alkanes 5/4 5/4

Lab – Molecular Models 5/6 5/6

Packet – Important EOC Concepts 5/10 5/20

Test 10 5/10 5/10

Quiz – Hydrocarbons 5/13 5/13

Review for Final Exam

(Day 3)

31What is occurring in the equation

below?

HCl æ H+ + Cl-

HCl is being ionized by

water.

H2O

32In the equation below, Compound

X is

Compound X æ H+ + an anion-an

acid.

H2

O

33What is true of an acid in

regards to ion concentration?

[H+] > [OH-]

34List three common household items that can

be classified as acids.Battery acid

Lemon juice

Vinegar

35 Name the following

acid: H2SO4 sulfuric acid

36 When the indicator

bromthymol blue is added to HCl, it changes color from blue to yellow. When it is added to NaOH it remains blue. What

does this indicate?Bromthymol blue is an acid-

only indicator.

37A student has a solution that tastes bitter, feels slippery, and is a weak electrolyte.

What is most likely the identity of her solution?

a base

38Which ion, H+ or OH-, is present in greater number in vinegar at a pH of 5, and how many more ions of this

type are there than the other type? H+ is present in greater number.

There are 100x more H + ions than OH- ions at a pH of 5.

39Which of the following statements

is the most accurate? Soap and shampoo are acidic, while oranges and lemons are basic.

The foods we eat can contain many different types of acids, whereas household cleaning supplies can contain bases.

Acids are always safe to taste as long as you don’t taste too much.

All bases are harmful and should never be touched.

40List three

environmental problems caused by

acid rain.the deterioration of buildings and

statues.

the killing of plants and animals

in a forest.

the killing of plants and animals

in rivers and streams.

41Can you make an element

(like gold) from other elements? Explain.

Yes, you can make gold atoms from other atoms, but only in vary small

amounts.

42Name a pair of elements that could undergo nuclear

fusion to produce gold.Any elements

that have atomic

numbers that total 79, like iridium and

helium

43List two examples each of nuclear

fission and nuclear fusion.

Fissiona submarine using a nuclear reactor

for powerthe explosion of an atomic-bomb

Fusionthe Sun

generating heat and light

the explosion of a hydrogen-bomb

44What parts of the atom participate

directly in a nuclear reaction?

protons and neutrons

45Which one of the following is not a result of a nuclear

reaction? the generation of x-rays for cancer treatment

the Sun generating radiation hydrogen gas and oxygen gas

combining to make water radioactivity produced from the

detonation of an atom bomb