Gas Laws

1. A gas occupies 6.5L at 4.5 mm Hg pressure. What is the volume at 10.0 mm Hg at the same temperature?

• 3.50 L
• 4.20 L
• 2.93 L
• 5.10 L

  A sample of 15.0 L of NH3 gas at 30.0°C is heated at constant pressure until it fills a volume of 18.0 L. What is the new temperature in °C?

• 65.30
• 75.50
• 89.22
• 102.10

Tags

NGSS.HS-PS3-4

An unknown gas weighs 81.0 g and occupies 3.9 L at 4.0 atm and 135.0 K. What is its molecular weight?

• 65.20 g/mol
• 69.83 g/mol
• 75.10 g/mol
• 72.50 g/mol

Tags

NGSS.HS-PS1-7

 What is the volume of 3.0 g of neon gas at 5.0 °C and a pressure of 7.0 atm?

• 0.487 L
• 0.250 L
• 0.350 L
• 0.600 L

1.  A gas occupies 19.8L at 4.7 mm Hg pressure. What is the volume at 34.0 mm Hg at the same temperature?

• 2.65 L
• 15.00 L
• 5.10 L
• 10.25 L