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Standard XII

Chemistry

Heat Capacity

An ideal mono...

Question

An ideal mono-atomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is: $(γ = \frac{5}{3})$

\frac{5}{2 l n 2}

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\frac{5}{3}

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\frac{5}{4 l n 2}

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\frac{5}{6}

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Solution

The correct option is C $\frac{5}{4 l n 2}$
$Q_{A B} = n C_{P} Δ T = \frac{n R γ Δ T}{γ - 1}$ Here AB process is constant pressure .
$W_{B C} = n R T l n \frac{V_{2}}{V_{1}}$ Here BC process is constant temperature.

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An ideal mono-atomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is: (γ=53)

The correct option is C 54 ln 2QAB=nCPΔT=nRγΔTγ−1 Here AB process is constant pressure . WBC=nRTlnV2V1 Here BC process is constant temperature.

An ideal mono-atomic gas undergoes a cyclic process ABCA as shown in the figure. The ratio of heat absorbed during AB to the work done on the gas during BC is: $(γ = \frac{5}{3})$

The correct option is C $\frac{5}{4 l n 2}$
$Q_{A B} = n C_{P} Δ T = \frac{n R γ Δ T}{γ - 1}$ Here AB process is constant pressure .
$W_{B C} = n R T l n \frac{V_{2}}{V_{1}}$ Here BC process is constant temperature.