Gay-Lussac, Avogadro & the Combined Law

Relate pressure to temperature, volume to amount, and combine all three for changing-condition problems

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QUESTION OF
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Views #: 143
Questions #: 6
Time: 10 minutes
Pass Score: 80.0%
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Match the Gas Law

3 pts
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Gas Law

Combined gas law
Avogadro's law
Gay-Lussac's law

Relationship

P₁V₁/T₁ = P₂V₂/T₂
pressure is proportional to absolute temperature
volume is proportional to the amount of gas

Match each gas law to the relationship it describes.

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Explanation

Gay-Lussac's Law

1 pts
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A gas has an initial pressure of 602 torr at 356 K. What is its final pressure at 277 K (volume and amount constant)?

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Explanation

Avogadro's Law (Moles)

1 pts
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A gas has an initial volume of 6.72 L containing 3.88 mol. What is its final volume if the amount becomes 6.10 mol (pressure and temperature constant)?

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Explanation

Avogadro's Law (Particles)

1 pts
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If 3.45 × 10²² atoms of Ar occupy 1.55 L, what volume do 6.00 × 10²³ atoms of Ar occupy at the same temperature and pressure?

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Explanation

Combined Gas Law (Find T)

1 pts
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A gas starts at 78.9 mL, 3.008 atm, and 56°C, then changes to 35.6 mL and 2.55 atm. What is its final temperature?

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Explanation

Combined Gas Law (Find V)

1 pts
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A gas starts at 7.11 atm, 66°C, and 90.7 mL, then changes to 33°C and 14.33 atm. What is its final volume?

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Explanation

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Keywords
Year 11