Gas Laws Lesson

What is the formula for Boyle's Law?

• P₁V₁=P₂V₂

• P₁V₁/P₂V₂

• P₁V₂=P₂V₁

• P₁/V₁=P₂/V₂

At constant pressure, a balloon's volume changed from 15L to 45L. If the final temperature was 350K, what was the initial temperature?

• 2 K

• 1050 K

• 117 K

• not enough information

If 2.6L of a gas at 3.1 atm is compressed to 1.3L, what would the new pressure be?

• 1.55 atm

• 2.6 atm

• 6.2 atm

• The pressure stays the same

If 6L of gas at 293K is compressed to 4L, what is the new temperature? 

• 195K

• 439.5K

• 0.082K

• 12.2K

A gas has a pressure of 1.50 atm at a temperature of 273 K.  What will be the pressure at 410 K?

• .99 atm

• .25 atm

• .75 atm

• 2.5 atm

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• 57.5⁰C

• 57.5⁰K

• 330.5⁰K

• 330.5⁰C

4L of a gas is contained at 300 kPa and 200K. What will its volume be in L at 140 kPa and 100K?

• 4.3L

• 4.8L

• 6.2L

• 8.5L

A gas at 98 kpa, and 29 C occupies a volume of 569 L. Calculate the volume at 39 kpa and -12 C.

• 1350.00 L

• 1232.30 L

• 1400.10 L

• 1429.79 L

The combined gas law allows us to determine relationships between temperature, pressure and the volume of gases, including those used in a gas balloon. What is the final pressure if 155.0 mL of a gas at 22.0 ^o C and 374 mmHg is cooled to 0.00 ^o C and has a final volume of 102.0 mL

• 526 mm Hg

• 614 mmHg

• 73.4 mmHg

• 39.1 mmHg

What is the formula Charles' Law?

• V = T

• VT = VT

• T₁ / V_{1 =} T₂ / V₂

• V₁ / T₁ = V₂ / T₂