A gas has Cp = 29.1 J mol⁻¹K⁻¹ and Cv = 20.8 J mol⁻¹K⁻¹. Find Cp - Cv, to the nearest whole number of J mol⁻¹K⁻¹.

PhysicsEasyHigh School (11–12)Heat & Thermodynamics › Thermodynamic Processes and Specific Heats of Gases

A gas has $C_p = 29.1\ \text{J mol}^{-1}\text{K}^{-1}$ and $C_v = 20.8\ \text{J mol}^{-1}\text{K}^{-1}$ . Find $C_p - C_v$ , to the nearest whole number of $\text{J mol}^{-1}\text{K}^{-1}$ .

Type your answer as a number (a decimal point is allowed). A wrong answer may cost marks.

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