Section 3 - For questions 8-12 - Select the one correct choice from the list of potential answers.Mark on the answer sheet with the correct letter choice. (25%, at 5% each)
【題組】8, An ideal gas has a higher specific heat at constant pressure (Cp) than its specific heat at constantvolume (Cv). This is because______?
(A) Gas expanding at constant pressure does work on the environment when its temperature isincreased.
(B) Gas's internal energy increases more when held at constant pressure than when held at constantvolume.
(C) Pressure of the gas remains constant if the temperature is held constant.
(D)More heat is required to heat up gas at increasing pressure than at increasing volumes.