Ideal Gas Law

4.91 mol of an ideal gas occupy 3.68 L at 298 K. What is the pressure of the gas?

A. 25.9 atm

B. 2.74 atm

C. 32.6 atm

D. 223 atm

A 2.45 L container is filled with nitrogen at 37 ºC to a pressure of 2.15 atm. How many moles of nitrogen are in this container?

A. 0.207 mol

B. 1.31 mol

C. 0.565 mol

D. 5.83 mol

A 45.0 liter tank at 293.2 K contains acetylene gas C2H2 (molar mass = 26.04 g/mol) at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?

A. 26.7 g

B. 67.7 g

C. 10.5 g

D. 81.9 g

What volume will 115 grams of CH4(g) occupy at 100. °C and 2.5 atm?

A. 370 L

B. 630 L

C. 22 L

D. 88 L