Chemistry Final Semester 2 Review 15-16 Question Preview (ID: 31680)


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When 80 g of sodium hydroxide, NaOH, are dissolved in enough water to make 500 mL of solution, the molarity of the solution is
a) 1 M
b) 2 M
c) 4 M
d) 8 M

The molar mass of a substance is the mass of one
a) gram of the substance
b) liter of the substance
c) atom of the substance
d) mole of the substance

If 250.0 mL of a 0.96 M solution of acetic acid are diluted to 800.0 mL, what will be the approximate molarity of the final solution?
a) 0.19 M
b) 0.24 M
c) 0.30 M
d) 0.77 M

CaCN2 + 3H2O --) CaCO3 + 2NH3 How many grams of H2O are needed to produce 14.6 grams of NH3?
a) 10.3 g
b) 23.3 g
c) 165 g
d) 9.2 g

What is the difference between carbon monoxide and carbon dioxide?
a) Carbon dioxide has only one oxygen atom
b) Carbon monoxide has two carbon atoms
c) Carbon dioxide has two carbon atoms.
d) Carbon monoxide has only one oxygen atom

What is the name of the compound NH4OH?
a) ammonium hydroxide
b) nitrogen pentahydrogen oxide
c) ammonia
d) nitrogen tetrahydrogen hydroxide

What is the formula for aluminum oxide?
a) Al3O2
b) AlO2
c) AlO
d) Al2O3

As the pressure of a gas at 2 atm is changed to 1 atm at constant temperature, the volume of the gas
a) increases
b) decreases
c) remains the same
d) none of the choices are correct

When a substance undergoes a phase change from liquid to solid, which of the following will occur?
a) kinetic energy increases
b) kinetic energy decreases
c) kinetic energy does not change because the temperature is not changing
d) none of the answers are correct

Which of the following cannot be broken down into a simpler type of matter by either physical or chemical means?
a) Carbon dioxide
b) Bronze
c) Soil
d) Iron

What is the name of the compound formed between strontium ions and nitrogen ions?
a) tristrontium dinitride
b) strontium nitride
c) strontium nitrate
d) distrontium trinitride

Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms‘
a) number of principal energy levels
b) number of valence electrons
c) atomic numbers
d) atomic masses

What is the total number of moles of H2SO4 needed to prepare 5.0 liters of a 2.0 M solution of H2SO4?
a) 2.5 mol
b) 5.0 mol
c) 10 mol
d) 20 mol

Which substance can be classified as an Arrhenius acid?
a) HCl
b) LiOH
c) NaCl
d) KOH

An ion with 5 protons, 6 neutrons, and a charge of 3+ has an atomic number of
a) 11
b) 6
c) 5
d) 3

Which solution will change red litmus to blue?
a) HCl
b) LiOH
c) NaCl
d) CH3

Vinegar is classified as a mixture. What does this tell you about vinegar?
a) Vinegar is made of atoms of one type of element.
b) Vinegar is made of atoms of different elements chemically bonded together.
c) Vinegar has a composition that is the same wherever it is found.
d) Vinegar contains two or more pure substances mixed together.

A gas occupies 12.3 liters at a pressure of 40.0 mmHg. What is the volume when the pressure is increased to 60.0 mmHg?
a) 8.20L
b) 195.12 L
c) 18.45L
d) 0.615L

What is the formula for tetraphosphorus trisulfide?
a) P4Si3
b) 4P3S
c) P4S3
d) P2S3

Calculate the density of the solid block. The mass of the block is 15 grams. The length is 8cm, the height is 5cm, the width is 4cm.
a) 0.0938 g/cm3
b) 0.882 g/cm3
c) 10.7 g/cm3
d) 1.13 g/cm3

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