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Section 2: The Combined Gas Law and Avogadro’s Principle

The Combined Gas Law and Avogadro's Principle

1.

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What volume will 0.554 mol of gas occupy at STP?
A)0.25 L
B)3.34 L
C)12.4 L
D)40.4 L
2.
Which of the following states that equal volumes of gases at the same temperature and pressure contain the same number of particles?
A)Boyle’s law
B)Gay-Lussac’s law
C)Charles’s law
D)Avogadro’s principle
3.
How can the molar volume of a gas be defined?
A)the volume that one mole occupies at STP
B)the volume that one gram 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 100°C and 1 atm pressure
4.
What is the volume of 2.0 moles of a gas at STP?
A)44.8 L
B)22.4 L
C)0.0223 L
D)0.0446 L
5.
If 1.00 L of a gas is 4.40 times as heavy as 1.00 L of O2 at the same temperature and pressure, then what is the molar mass of the unknown gas?
A)67.0 g/mol
B)70.4 g/mol
C)88.0 g/mol
D)141 g/mol
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