Two moles of an ideal gas fill volume V = 10 liters at pressure P ...

[storky111]

Two moles of an ideal gas fill volume V = 10 liters at pressure P = 2.4 atm. The gas is thermally insulated from the surroundings. A membrane is broken which allows the gas to expand into the new volume which is 3 times as large as the old volume. The new pressure is:
 
  1.0.4 atm
  2.0.8 atm
  3.1.2 atm
  4.1.6 atm
  5.2.4 atm
  6.None of the above
  7.Cannot be determined

Question 2

An ideal monatomic gas is taken around the cycle ABCDA as shown below.
 
 
 
   
   What is the amount of energy removed by heat during one cycle?

  1.0
  2.P1V1
  3.2P1V1
  4.3P1V1
  5.4P1V1
  6.5P1V1
  7.Impossible to determine

[ricroger]

Answer to Question 1

2

Answer to Question 2

2