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NEET · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry
Reversible expansion of an ideal gas under isothermal and adiabatic conditions are as shown in the figure \(AB \to\) Isothermal expansion \(AC \to\) Adiabatic expansion Which of the following options is not correct ?
- A \(\Delta S_{\text {isothermal }}>\Delta S_{\text {adiabatic }}\)
- B \(\mathrm{T}_{\mathrm{A}}=\mathrm{T}_{\mathrm{B}}\)
- C \(W_{ isothermal } >\mathrm{W}_{\text {adiabatic }}\)
- D \(\mathrm{T}_{\mathrm{C}}>\mathrm{T}_{\mathrm{A}}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{T}_{\mathrm{C}}>\mathrm{T}_{\mathrm{A}}\)
Step-by-step Solution
Detailed explanation
In adiabatic expansion cooling effect will take place, \(T_C\) will be less then\(\mathrm { T } _ { \mathrm { A } }\) in adiabatic expansion \(\mathrm{q}=0\) \(\Delta \mathrm{U}=\mathrm{W}\)
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