Gas Laws Exam

Gas Laws Exam

Assessment

Flashcard

Chemistry

10th Grade

Hard

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11 questions

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1.

FLASHCARD QUESTION

Front

A gas occupies a 40.0 mL at 50 K. What volume does it occupy at 300K?

Back

240 mL

2.

FLASHCARD QUESTION

Front

Which temperature change would cause a sample of an ideal gas to double in volume while the pressure is held constant? Options: From 400 K to 200 K, From 200 K to 400 K, From 400 °C to 200 °C, From 200 °C to 400 °C

Back

From 200 K to 400 K

3.

FLASHCARD QUESTION

Front

A gas occupies a volume of 0.20 L at 25 atm. What volume will the gas occupy at 2.5 atm?

Back

2.0 L

4.

FLASHCARD QUESTION

Front

Gas at 300K occupies 3.60 liters at 1.00 atm. New pressure if volume is 2.0 liters at 450K?

Back

1.2 atm

5.

FLASHCARD QUESTION

Front

How many moles of H2 gas are present if 9.0 L of the gas has a pressure of 2.0 atm and a temperature of 300K?

Back

0.73 mol

6.

FLASHCARD QUESTION

Front

Which one of the following statements is incorrect according to the kinetic-molecular theory of gases?

  • The particle collisions are not elastic and lose kinetic energy over time
  • Pressure of gas is due to particle impacts on the walls of the container
  • The motion of particles is rapid, constant, random, and always move in straight-line paths.
  • Particles of a gas are treated as hard, perfect spheres with insignificant volumes

Back

The particle collisions are not elastic and lose kinetic energy over time

7.

FLASHCARD QUESTION

Front

The volume of a gas is increased from 0.5 L to 4.0 L while the temperature is held constant. The pressure of the gas:

Back

decreases by a factor of eight

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