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Gasses

Authored by Charles Martinez

Chemistry

10th Grade - University

Gasses
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16 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

According to ___________, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase.

Bernoulli's principle

Boyle's Law

Charles's Law

Archimedes' principle

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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At STP (Standard Temperature 273 K and Pressure 101.3 kPa), a gas has a volume of 3.0 L. What is the new volume if the pressure increases to 303.9 kPa?

9 L

1 L

9 kPa

1 kPa

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is diffusion?

The movement of gas particles from a higher concentration to a lower concentration.

The rate at which gas flows through the air.

An explosion of gases.

The ability of a gas to move from high pressure to a low pressure.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At a constant pressure, the volume decreases.  What happens to the temperature?

increases
decreases
stays the same

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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A sample of pure oxygen gas has a volume of 2.00 L at a pressure of 101.3 kPa. What is the new pressure is the volume is decreased to 0.5 L?

203 kPa

101 kPa

25 kPa

405 kPa

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the values for STP?

0 K and 1 atmosphere

0ºC and 1 atmosphere

32ºF and 1 atmosphere

100ºC and 1 atmosphere

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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A sample of O2 gas has a volume of 2.0 L, a Temperature of 298 K, and a pressure of 100 kPa. Calculate the number of moles of oxygen. R = 8.314

495,514 moles of oxygen

0.0807 moles of oxygen

5.578 moles of oxygen

12.39 moles of oxygen

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