JEE Main 2024 — Thermodynamics (C) Question with Solution
JEE Main 2024 (09 Apr Shift 2)
Question
When and , then the temperature of vapour, at one atmosphere is ______ .
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Show full solutionCorrect answer: 400
Correct answer
400
Step-by-step explanation
At equilibrium
$\begin{aligned}
& \Delta \mathrm{H}_{\text {vap }}=\mathrm{T} \Delta \mathrm{S}_{\text {vap }} \\
& 30 \times 1000=\mathrm{T} \times 75 \\
& \mathrm{~T}=400 \mathrm{~K}
\end{aligned}$
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