Thermodynamics Question 372
Question: In a thermodynamics process, pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20 J of heat and 8J of work is done on the gas. If the initial internal energy of the gas was 30J. The final internal energy will be
Options:
A) 18J
B) 9J
C) 4.5J
D) 36J
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Given
Therefore
Therefore
Therefore
