Gas Laws Charles and Boyle's Law

A gas at a volume of 4 liters is at a pressure of 8 kPa. The volume is changed to 16 Liters, what must the new pressure be?

• 1 kPa

• 12 kPa

• 10 kPa

• 2 kPa

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

What is 50^oC in Kelvin?

• 223

• 323

• 100

• 50

If 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the new volume will be

• 244 mL

• 204 mL

• 196 mL

• 160 mL

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 be the new volume of the balloon ?

• 40 L

• 70 L

• 74.3 L

• 75.9 L

What temperature scale must all temperature measurements be converted to?

• Celsius
• Fahrenheit
• Kelvin
• Does not matter

A helium balloon with a volume of 1.8L at standard pressure and 293K is released into the air. As it rises, the pressure drops to 0.7atm and the temperature drops to 263K. What is the new volume of the balloon?

• 2.31 L

• 0.43 L

• 1.50 L

• 2.57 L

If a gas occupies 3.60 liters at STP, what will be its volume at a pressure of 2.50 atm and a temperature of 15^oC?

• 0.079 L

• .69 L

• 1.52 L

• 0.66L