7. Gases

Approximately how many moles of Kr⁺ are contained in the laser tube at 0°C and 1 atm?

A sample of dichloromethane gas (CH₂Cl₂) occupies 32.6 L at 310 K and 5.30 atm. Determine its volume at STP?

Which gas sample has the greatest volume at STP?

Nitrogen and hydrogen combine to form ammonia via the following reaction:

                      1 N₂ (s)  +  3 H₂ (g) → 2 NH₃ (g)

What mass of nitrogen is required to completely react with 800.0 mL H₂ at STP?

C₆H₁₂O₆ (s) + 6 O₂ (g) → 6 CO₂ (g) + 6 H₂O (l)

Calculate the mass of H₂O produced when 12.0 g of glucose is combusted in a container of oxygen with a volume of 1.3 L at a pressure of 2.2 atm and a temperature of 205℃.

What is the density of xe gas at stp

Use the molar volume of a gas at STP to calculate the density (in g/l) of nitrogen gas at STP.

At STP, what is the volume occupied by 33.5 g of argon gas?

What is the volume of 3.5 moles of oxygen gas (O₂) at standard temperature and pressure (STP)?

Which statement is true at STP? (The atomic mass of Zn is 65.39 u.)

Which gas occupies the highest volume at STP?

0.02 mol of O₂

0.1 mol of Cl₂

1 mol of N₂

2 mol of H₂

What is the volume occupied by 51.0 g of ammonia (NH₃) gas at STP?

2.00 g of an unknown gas at stp fills a 500 mL flask. What is the molar mass of the gas?