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Relations between Cp, Cv, gamma and R

This type of question, asked 4 times: 4 May 2023 S2, 19 Apr 2025 S1, 12 May 2026 S1, 14 May 2026 S2. All 4 questions below, oldest first.

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  1. Question 1

    4 May 2023 S2

    24
    If CpC_p and CvC_v are molar specific heats of an ideal gas at constant pressure and volume respectively and 'γ\gamma' is Cp/CvC_p/C_v then Cp=C_p = (R=R = universal gas constant)

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  2. Question 2

    19 Apr 2025 S1

    29
    The molar specific heat of an ideal gas at constant pressure and constant volume is ' CpC_{p} ' and ' CvC_{v} ' respectively. If ' R ' is a universal gas constant and the ratio of ' CpC_{p} ' to ' CvC_{v} ' is γ\gamma, then ' CpC_{p} ' is equal to

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  3. Question 3

    12 May 2026 S1

    116
    The difference between two molar specific heats of a gas is 7000 J−kg−1−K−17000\ \mathrm{J{-}kg^{-1}{-}K^{-1}}. If the ratio of two specific heats of gas is 7/57/5, the molar specific heat of the gas at constant pressure in J−kg−1−K−1\mathrm{J{-}kg^{-1}{-}K^{-1}} is

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  4. Question 4

    14 May 2026 S2

    115
    Heat required to raise the temperature of 2 mol of an ideal gas at constant pressure from 25∘C25^\circ\mathrm{C} to 35∘C35^\circ\mathrm{C} is 310 J. The amount of heat required to raise the temperature of the gas through the same range at constant volume is (R=8.3(R = 8.3 J/mol K))

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