An amount of an ideal gas is taken around the process shown. Which of the following statements about the internal energy of the states is true?
1.The internal energy of state B is twice that of state C.
2.The internal energy of state B is equal to that of A and C combined.
3.The internal energy of state A is half that of state C.
4.The internal energy of state B is less than the internal energy of state A.
5.None of the above.
6.Cannot be determined.
Question 2A gas is placed in a container, which is immersed in an ice-water mixture as shown below.
As the piston is slowly raised, the work done on the gas is 400 cal. During this process...
1.... the temperature of the gas remains the same.
2.... 5 grams of ice are formed.
3.... the heat absorbed by the gas is 400 cal.
4.All three of the above are true.
5.Exactly two of the above are true.
6.None of the above is true.
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