Gas Laws Review

Calculate the number of moles of carbon monoxide (CO) found in a sample that occupies 0.35 L at 17°C and 12 atm.

• 0.18 mol

• 5.69 mol

• 0.31 mol

• 3.07 mol

Tags

NGSS.HS-PS1-7

Which graph shows the correct relationship between the volume of a gas (V) and its absolute temperature (T), when pressure is held constant?

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The diagram below shows a gas with an initial pressure of 4.0 atm and a volume of 0.520L in a cylinder at a constant temperature. The gas expands inside the cylinder and pushes the piston up to a volume of 2.03L. What is the final pressure of the gas after the expansion?

• 0.72 atm

• 1.02 atm

• 2.41 atm

• 8.17 atm

As the temperature of a gas is increased, the average kinetic energy of its molecules

• Decreases

• Increases

• Remains the same

Tags

NGSS.HS-PS3-2

A rigid cylinder with a movable piston contains 50.0 liters of Hydrogen gas at 30.0° C with a pressure of 1.00 atmosphere. What is the volume of the gas in the cylinder at STP?

• 45.05 L

• 45.55 L

• 54.09 L

• 55.51 L

The temperature of a 2.0-liter sample of helium gas at STP is increased to 27° C and the pressure is decreased to .79 atm. What is the new volume of the helium sample?

• 1.41 L

• 2.02 L

• 2.78 L

• 4.09 L

Convert 59,200 mL to liters.

(1 L = 1,000 mL)

• 0.0000592 L

• 0.592 L

• 5.92 L

• 59.2 L

What is the volume of 2.00 moles of nitrogen gas () at STP, if nitrogen gas at 0.500 mol will occupy a volume of 11.2L at STP?

• 11.2 L

• 28.0 L

• 44.8 L

• 56.0 L

Which state of matter has the least compressibility?

• Solid

• Liquid

• Gas

Tags

NGSS.HS-PS1-3

• a)

• b)

• c)