Ideal Gas Law and Gas Stoichiometry

A gas in an environment has a volume of 16.8 L and a pressure of 3.2 atm. If the volume changes to 10.6 L, what will the new pressure be?

• 5.07 atm

• 2.02 Pa

• 5.07 L

• 2.02 atm

• correct answer is not given

There are 65 liters of helium in a balloon at 35 K. If the temperature of the balloon is increased to 40 K, what will the new volume of the balloon be?

• 40 L

• 70 L

• 74.3 L

• 75.9 L

• correct answer is not given

What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?

• 420 L

• 29.16 L

• 4200.0 L

• 291.6 L

• correct answer is not given

Edelman and Gronkowski want to play a game of beach volleyball. If the beach ball has a volume of  261 L at a temperature of 502 K, what will the temperature of the balloon be if the volume decreases to 176 L?

• 744 K

• 0.0030 K

• 339 K

• 512 K

• correct answer is not given

A sample of gas 2.5 L of a gas at 36°C has a pressure of 2.97 atm. How many moles are in this sample?

• 0.29 mol

• 3.42 mol

• 2.51 mol

Place the following values in the correct spot

a

b

c

295.86 K

0.2598 L

1.21 atm

In the ideal gas law, P = ​ (a)   , V = ​ (b)   , n = ​ (c)   , R = ​ (d)   , and T = ​ (e)  

• pressure

• volume

• moles

• gas law constant

• temperature

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. Solve for T and then change you answer to Celcius

• -266 degrees C

• -622 degrees C

• 622 degrees C 

• 266 degrees C

Select the option that has all 5 variables in the correct units

Gay–Lussac's Law is a direct relationship between temperature and pressure. Assuming a constant volume, when the temperature increases, then the pressure ________.

• Increases

• decreases

• stays the same