GKFix MCQ Question

What is the molar specific heat at constant volume for a diatomic gas?

• A. 12.5 J mol⁻¹ K⁻¹
• B. 20.8 J mol⁻¹ K⁻¹
• C. 24.9 J mol⁻¹ K⁻¹
• D. 29.1 J mol⁻¹ K⁻¹