AP EAMCET · Chemistry · Thermodynamics (C)
An ideal gas expanded irreversibly against 10 bar pressure from \(20 \mathrm{~L}\) to \(30 \mathrm{~L}\). Calculate \(Q\) if the process is isoenthalpic. \(1 \mathrm{~L} \mathrm{bar}=100 \mathrm{~J}\)
- A 0
- B \(100 \mathrm{~J}\)
- C \(-100 \mathrm{~J}\)
- D \(10 \mathrm{~kJ}\)
Answer & Solution
Correct Answer
(D) \(10 \mathrm{~kJ}\)
Step-by-step Solution
Detailed explanation
According to thermodynamics irreversibly expanded system work. \[ W_{\text {irr }}=-p_{\text {opp. }}\left(V_2-V_1\right)...(i) \] Ideal gas expanded irreversibly \(=10 \mathrm{bar}\) \[ \begin{aligned} & V_2=30 \mathrm{~L} \\ & V_1=20 \mathrm{~L} \end{aligned} \] Put all value…
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