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Honors ChemistryName______

Chemical Compounds

Law of Definite Composition

  1. Complete the following table:

FORMULA / MOLAR MASS / PERCENT COMPOSITION
a) / NaHCO3
b) / H3PO4
c) / (NH4)3PO4
d) / Al2O3
FORMULA / MOLAR MASS / PERCENT COMPOSITION
e) / Ba(OH)2
f) / Ca(ClO3)2
g) / Al2(SO4)3
h) / (NH4)2SO4
i) / Na2CO3∙H2O

Binary Ionic Compounds

  1. Write the chemical name and formula for the ionic compound that results when the indicatedmetals and nonmetals are bonded together.

Nonmetals
Cl / S / Se / P / Br / N
Metals / Na
Ca
Li
Al
Ba
Pb4+
  1. Determine the molar mass of magnesium iodide.
  1. Determine the percent composition of gallium telluride.

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Ionic Compounds

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  1. rubidium oxide
  1. potassium permanganate
  1. chromium(II) sulfite
  1. zinc carbonate
  1. iron(III) dichromate
  1. nickel(II) iodide
  1. cadmium bicarbonate
  1. ammonium oxalate
  1. silver arsenate
  1. antimony(III) hydroxide
  1. Pb(NO2)2
  1. SnS
  1. Ba3P2
  1. Al(C2H3O2)3
  1. NaClO
  1. CuBr2
  1. Pb(ClO2)4
  1. (NH4)2SO3
  1. CrN
  1. CoAsO4
  1. manganese(II) iodide
  1. lithium nitrate
  1. nickel(III) perchlorate
  1. cadmium acetate
  1. iron(II) phosphate
  1. beryllium hydrogen carbonate
  1. zinc selenide
  1. ammonium hypochlorite
  1. scandium chromate
  1. lead(IV) nitride
  1. Ag3PO4
  1. Na2Cr2O7
  1. NH4C2H3O2
  1. Mn(CO3)2
  1. Sr(NO2)2
  1. Ga(MnO4)3
  1. Mg(HCO3)2
  1. CuClO
  1. Ba(OH)2
  1. Rb2C2O4

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  1. Determine the molar mass of copper(II) bromite.
  1. Determine the percent composition of zinc periodate.

Hydrates

  1. Write the name of the following hydrates

a. CuCl2∙ 2H2O______

b. MgSO4∙7H2O______

c. Na2SO4.10H2O______

  1. Write the formula for the following hydrates

a. copper(II) sulfate pentahydrate______

b. calcium chloride dihydrate______

c. iron(III) nitrate nonahydrate______

  1. Determine the molar mass of barium hydroxide octahydrate.
  1. Determine the percent composition of zinc chloride hexahydrate.

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Molecular Compounds

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  1. Cl2O
  2. NO2
  3. P4O10
  4. sulfur dioxide
  5. phosphorus pentachloride
  6. diboron trioxide

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  1. Determine the molar mass of arsenic pentabromide.
  1. Determine the percent composition of xenon hexafluoride.

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Molecular and Ionic

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  1. BrCl
  2. CuCl
  3. FeC2O4
  4. Cr(OH)3
  5. ClO
  6. AgClO
  7. OF2
  8. MgF2
  9. lead(IV) perchlorate
  10. dinitrogentetroxide
  11. manganese(IV) oxide
  12. dibrominepentoxide
  13. cobalt(III) phosphide
  14. nitrogen trichloride
  15. iron(III) chloride
  16. arsenic pentaiodide

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  1. Determine the molar mass of nickel(III) dichromate
  1. Determine the percent composition of diphoshphoruspentoxide.

Acids

  1. Write the name of the following acids

a. HI(g)______HI(aq)______

b. H2CO3(l)______H2CO3(aq)______

c. H3PO3(s)______H3PO3(aq)______

d. H2S(g)______H2S(aq)______

e. HF(g)______HF(aq)______

  1. Write the formula for the following acids

a. nitrous acid______

b. perchloric acid______

c. hydrobromic acid______

d. oxalic acid______

e. hydrophosphoric acid______

  1. Calculate the molar mass of selenous acid.
  1. Calculate the percent composition of hydrotelluric acid.

Hydrocarbons

  1. Complete the following table.

Structure / Name
a / 3-hexyne
b /
c / 4-methyl-2-pentyne
d /
e / 3-ethyl-2,6-dimethylheptane
f /
g / 3-bromopentane
h /
i / 4,5-dimethyl-2-nonene
j /
k / 2-methyl-4-propyl-3-heptene
l /
m / 3-ethyl-1-hexyne
n /
o / 2,2,3,3-tetrachlorobutane
p /
q / 1,3-dichloro-2-butene
r /
s / 3-ethyl-2,4,5-trimethylheptane
y /
u / 2-pentyne
v /
w / 5-chloro-5-methyl-2-hexyne
x /
y / 3,3,4,4-tetramethylnonane
  1. Draw and name 3 structural isomers for C5H12.
  1. Draw and name 3 structural isomers for C6H12.

Graham’s Law of Effusion

  1. Rank these gases in order of highest effusion rate to lowest: NO2, SO2, CO2, and O2.
  1. Determine the relative rate of effusion between propane and octane. Write a brief statement interpreting your answer.
  1. A gas is found to effuse 1.35 times faster than sulfur dioxide. Determine the molar mass of the gas.
  1. Determine the relative effusion rate of carbon dioxide and carbon monoxide. Interpret your answer.
  1. It requires 36.0 seconds for 10.0mL of oxygen to effuse through a certain capillary tube. Under the same conditions of temperature and pressure it requires 50.0 seconds for 10.0 mL of disilane to effuse through the same capillary tube. Calculate the molar mass of disilane.

Review

  1. Calculate the molar mass of beryllium arsenite.
  1. What is the percent composition of manganese(IV) phosphite?
  1. Identify the type of compound (I=ionic, M=molecular, A=acid, H = hydrate) and write the formula or name.

Type / Name / Formula / Type / Formula / Name
cadmium phosphate / SnO
calcium selenide / HClO(aq)
carbon disulfide / P2O5
cobalt(II) nitride / Ni2(SO3)3
copper(I) bromide / NaI
copper(II) chloride dihydrate / Mn3N2
dichromic acid / HClO3(aq)
disulfur dichloride / Li3AsO4
hydrobromic acid / Mg3As2
hydrosulfuric acid / SbP
magnesium chloride / Fe(NO3)3∙9H2O
nickel(III) oxalate / H3P(g)
phosphoric acid / H2C2O4(aq)
potassium bicarbonate / Ga(NO3)3
rubidium sulfide / HCl(aq)
sodium carbonate monohydrate / Co(OH)2
sulfurous acid / Cl2O7
tin(IV) dichromate / BaCl2∙2H2O
  1. Complete the following chart

Name / Formula / Formula / Name
rubidium perchlorate / NaHCO3
bromine monochloride / CO
strontium arsenide / AgBr
cesium arsenate / LiClO4
carbonic acid / H3PO3
hydroarsenic acid / HF(g)
iron(III) sulfite / Sb2(C2O4)3
magnesium sulfate heptahydrate / CuSO4∙5H2O
perchloric acid / H2CrO4(aq)
hydroiodic acid / H2Se(aq)
aluminum nitrate / ScPO4
phosphorus pentachloride / N2O4
copper(II) hydroxide / Pb(Cr2O7)2
chlorous acid / H2SO4(aq)
iron(III) chloride hexahydrate / CaCl2∙2H2O
chromium(III) phosphide / BaCl2
lead(II) oxide / MgSe
lithium iodide / Fr2S
  1. Complete the following table by either drawing the structure or writing the IUPAC name.

a / 1,1,3,3-tetrachlorobutane
b /
c / 4,5-dimethyl-2-heptyne
d /
e / 1,3-dibromo-2-butene
f /
  1. If a gas with a molar mass of 79.5 g/mol can effuse at a rate of 35.0 mL/sec, at what rate will a gas of molar mass 32.6 g/mol effuse?
  1. Determine the relative rate of effusion of 2-butene and 2,3-dimethylpentane. Interpret your answer.
  1. Determine the molar mass of an unknown gas that effuses 1.35 times faster than sulfur trioxide.

Cumulative Review Questions

  1. The density of lithium metal is 0.534 g/cm3. Using scientific notation, determine the mass, in
    pounds, of 1.726 cubic yards of lithium.
  1. A cup of gold colored metal beads was measured to have a mass of 0.951 lb. By water displacement, the volume of the beads was calculated to be 4.80 x 10−14 km3. Given the following densities, identify the metal. Calculate percent error.
  2. Gold: 19.3 g/mL
  3. Copper: 8.86 g/mL
  4. Bronze: 9.87 g/mL
  1. How many electrons are in 2.65 g of potassium atoms?
  1. How many protons are in 2.694 moles of seaborgium?
  1. A little aluminum boat (mass of 14.50 g) has a volume of 450.00 cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50 g, how many pennies can be added to the boat before it sinks?
  1. Determine whether the following are chemical or physical changes.

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  1. Frying an egg ______
  2. Dissolving sugar in tea ______
  3. Growing a plant ______
  4. Molding clay ______
  5. Sublimation ______
  6. Cutting a piece of cheese ______

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  1. Complete the table below:

Ion A / Ion B
What is the atomic number? / 30
What is the mass number / 32 / 64
How many protons?
How many electrons?
How many neutrons? / 17
What is the charge?
Write the isotopic symbol.
What kind of ion?
Change in electrons? / gain 3 / lose 2
  1. Write nuclear equations for the following:
  1. Electron capture of phosphorus-32.
  1. Alpha decay of iridium-195
  1. Formation of nickel-59 from a beta decay.
  1. A 1.05 gram sample of phosphorus-32 (t1/2 = 14.26 days) remains after 85.56 days of decay.

What was the original sample mass?

  1. How many kilojoules of thermal energy are required to increase the temperature of 25.0 grams of K2CO3 from 22.19°C to 23.85°C?
  1. A gas at a temperature of 33°C and a pressure of 753 mm Hg is in a rigid container with a volume of 1.65 L. As the temperature of the gas is increased to 88°C, what is the new pressure of the gas, in kPa?