Sec 2 Gases Laws -Quiz

For a fixed amount of gas at a constant temperature, the volume increases as the pressure _______

• decreases

• increases

• remains steady

• fluctuates

The direct relationship between temperature and volume is known as __________

• Kelvin’s law

• Boyle’s law

• Charles’s law

• Avogadro’s law.

Absolute zero is equal to

• 273.15 °C

• −273.15 °C

• 0 °C

• 25 °C

Gay-Lussac’s law shows a direct relationship between temperature and________

• volume.

• density.

• pressure.

• composition.

A graph of pressure versus temperature in kelvins of a gas at constant volume and fixed mass is a(n) _________

• downward curve

• upward curve

• straight line with a negative slope.

• straight line passing through the point (0,0).

A sample of helium gas has a volume of 200.0 mL at 0.960 atm. What pressure, in atmospheres, is needed to reduce the volume at constant temperature to 50.0 mL?

A sample of a gas occupies 250 mL at 1.00 atm of pressure. If the pressure increases to 2.00 atm while the temperature stays the same, what is the new volume?

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase

• The pressure will decrease

• The pressure will remain constant

• The pressure will equalize

Which of the following would increase the (gas) pressure of a system?

• Increase the Temperature
• Pump in more gas
• Decrease the volume
• All of these

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372
• 273
• 237
• 732