Section 14.2
The Combined Gas Law and Avogadro's Principle
Practice Test
1.
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What volume will 0.554 mol of gas occupy at STP?
a.
0.25 L
b.
40.4 L
c.
3.34 L
d.
12.4 L
Hint
2.
Which of the following states that equal volumes of gases at the same temperature and pressure contain the same number of particles?
SC.H.1.4.5
a.
Charles’s law
b.
Avogadro’s principle
c.
Boyle’s law
d.
Gay-Lussac’s law
Hint
3.
What is the volume of 2.0 moles of a gas at STP?
SC.B.2.4.2
a.
0.0223 L
b.
44.8 L
c.
22.4 L
d.
0.0446 L
Hint
4.
If 1.00 L of a gas is 4.40 times as heavy as 1.00 L of O
2
at the same temperature and pressure, then what is the molar mass of the unknown gas?
a.
141 g/mol
b.
67.0 g/mol
c.
70.4 g/mol
d.
88.0 g/mol
Hint
5.
How can the molar volume of a gas be defined?
SC.B.2.4.2
a.
the volume that one gram occupies at 100°C and 1 atm pressure
b.
the volume that one mole occupies at STP
c.
the volume that one mole occupies at 100°C and 1 atm pressure
d.
the volume that one gram occupies at STP
Hint
