Pre-lab: Acid Rain
Answer the following questions in your lab notebook (be sure to show your work
for any calculations):
1. Carbon dioxide (CO2) reacts with water to produce carbonic acid (H2CO3). Write the
balanced chemical equations fo
CH104 Chap 2 Practice Quiz 2015
Dont be surprised if there is material here you havent seen.
This is a quiz from a prior year, and we havent covered all this material yet.
Useful Info: 1 dozen = 12 (exact)
1 bakers dozen = 13 (exact)
1 pair = 2 (exact)
Make Up Lab: DETERMINATION OF THE FORMULA OF A HYDRATE
Discussion: Many salts, when crystallized from water solution, take up definite proportions of water as
an integral part of their crystal structures. This water of hydration may be driven off by the a
Quiz #4 practice
CH104, Fall 2015
Print very neatly so we can record your grade correctly
1. Given the structure write the name; given the name draw the structure using any style you wish.
(1 pt each, 10 pts total)
CH104 Chap 2 Practice Quiz 2015
Part 1 Short Answers, multiple choice, etc.
1. John Dalton gets credit for the first modern atomic theory, and he proposed that atoms were
uncuttable bits of matter (imagine a tiny tiny marble or billiard ball). What
CH 104 Quiz 3 Name:
50 points prim very neatly
1. Complete the Lewis Dot Structures for each of the following atoms (5 pts)
0 Cu. 0
. C" Kc Na :1 :Xe:
J .0 C.
2. Complete the table; the rst row has been completed as an example. (4 pts)
Formula orme ion
CH104 Quiz 1, Chapter 1 Name: 5
50 pts Prml l'ERlneaIly
P_ ,_L.Short msw'ersLIrue./Falggg_2p
1. How many signicant gures are in the following measurements? (4 pts)
a. 0.054 kg 2 c. 0.00502 m 5
b. lsec L d. 1.010 g/mL .1.
2. In the above problem. what
CH104 (Sherpa) SS5
4.62 Name the following binary ionic compounds,
4.72 Write chemical formulas for the following
each of which contains a fixed-charge metal.
binary ionic compounds.
a. Iron(III) oxide
b. Iron(II) oxide
CH104/151(Sherpa) Study Set 1 (5pts)
Due: Week 1
Please write answers on this handout
Study sets are due before quiz on date indicated on syllabus. You will grade your own study set with a vibrant
colored pen. Points (5pts) are granted based on an
CH104 (sherpa) SS3
3.8 Determine the number of protons, neutrons,
and electrons present:
SS3: Ch3: 2,4, 6,8, 10,12, 14, 20,26, 38, 42, 50,52, 58,60,
62,64, 70,72, 74,76, 82, 85a-d; 86, 87, 89, 92;
a. Atomic number 10 and mass number 20
3.2 Which su
CH104 (sherpa) SS8
State the gas law formula first!
7.8 Identify the gas law variable for each measurement :
a. 343 K
b. 6.7 mL
c. 673 torr
7.12 At constant temperature, a sample of 6.0 L of N2 at 2.0 atm pressure is allowed to expand
CH104/151 (Sherpa) Study Set 2 (dimensional analysis & metric)
Due: Consult your syllabus! (all future study sets are in your text!)
We will go over this in class but to receive credit you must make an attempt at all ?s on this handout.
CH104 (sherpa) SS6
5.2 Contrast the mechanisms by which ionic and
covalent bonds form.
5.38 Using VSEPR theory, predict whether each of
the following triatomic molecules is linear or angular
(hint: First draw the Lewis structure!)
CH104 (Sherpa) SS7:
6.1 Calculate, to two decimal places, the formula mass of each of the following substances.
a. C12H22O11 (sucrose, table sugar)
b. C7H16 (heptane, a component of gasoline)
c. C7H5NO3S (saccharin)
d. (NH4)2SO4 (ammonium sulfate)
CH104 (Sherpa) SS9
7.42 Label as exothermic or endothermic change.
7.59 Describe the molecular conditions necessary for
the existence of a dipoledipole interaction.
7.44 Circle the ones that involve the sol
SS4: Ch4: 2, 4, 6, 13, 15, 18, 22, 28, 30, 34, 38, 48, 58, 88
4.2 Contrast the two general types of chemical
compounds in terms of physical properties.
(mp, state of matter, conductivity, particles)
4.22 Calculate the number of prot
CH104 (Sherpa) SS10
1 Give two different notations to denote each of
the following nuclides.
a. 20 protons, 20 electrons, and 18 neutrons
6. What is the effect on the mass number and
atomic number after beta particle decay?
b. 37 protons, 37 elect