4056. The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are September 7, 2025 by Admin A. 5 & 3 B. 3.987 & 1.987 C. 1.987 & 0.66 D. 0.66 & 1.987 ✅ The correct answer is option A.