The internal energy of an ideal gas increases during an isothermal process, when the gas is ……….
A. expanded by adding more molecules to it
B. expanded by adding more heat to it
C. expanded against zero pressure
D. compressed by doing work on it
Answer:A
The internal energy of an ideal gas increases during an isothermal process, when the gas is ……….
A. expanded by adding more molecules to it B. expanded by adding more heat to it C. expanded against zero pressure D. compressed by doing work on it