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Gas Laws III

Name:______________________________       Period:_______

1.                 What is the pressure of a gas that has a volume of 4.50 liters at a temperature of 325 K if there is 4.00 moles of the gas present?

 

 

 

2.                 The pressure of 2.20 moles of a gas at 20.0^oC is 98.0 kPa.  What is the volume of the gas?

 

 

 

3.                 What is the temperature of 6.30 moles of hydrogen gas if the pressure is 92.55 kPa and the volume is 250.0 liters?

 

 

 

4.                 Calculate the molecular weight of a gas if 2.00 grams of the gas occupies a volume of 3.50 liters at a pressure of 0.967 atm and a temperature of 35.0^oC.

 

 

 

5.                 A gas system has volume, amount and temperature of 7270 mL,0.0579 moles and 663.0°C, respectively. What is the pressure in atm?

 

 

 

6.                 A gas system has pressure, amount and temperature of 1.21 atm, 0.170 moles and 726 K, respectively. What is the volume in mL?

 

 

 

7.                 A gas system has pressure, volume and temperature of 0.732 atm, 1.50 L and 468 K, respectively. How many moles of gas are present?

 

 

 

8.                 A gas system has pressure, volume and temperature of 245 torr, 2710 mL and 984 K, respectively. If the gas is helium, how many grams are present?