Thermodynamics MCQs for MDCAT with Answers – Page 2

Question 21 Thermodynamics

The relation Cp − Cv = R applies to ____.

Correct answer A. the molar specific heats of an ideal gas

Open question

Question 22 Thermodynamics

Correct answer A. are at the same temperature

Open question

Question 23 Thermodynamics

Correct answer A. At constant pressure part of the heat is used to do work as the gas expands

Open question

Question 24 Thermodynamics

Correct answer A. 3.1 × 10³ J kg⁻¹ K⁻¹

Open question

Question 25 Thermodynamics

Correct answer C. molar mass

Open question

Question 26 Thermodynamics

Correct answer C. J mol⁻¹ K⁻¹

Open question

Question 27 Thermodynamics

Correct answer A. 1.3 × 10⁵ J

Open question

Question 28 Thermodynamics

Correct answer A. 44 °C

Open question

Question 29 Thermodynamics

Correct answer C. higher temperature to the one with lower temperature

Open question

Question 30 Thermodynamics

Correct answer C. A and B are in thermal equilibrium with each other

Open question