MHT CET · Chemistry · Thermodynamics (C)
For the combustion of one mole acetic acid, work done at \(298 \mathrm{~K}\) is
- A -2.0 J
- B -1.5 J
- C 2.0 J
- D 0.0 J
Answer & Solution
Correct Answer
(D) 0.0 J
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & \mathrm{CH}_3 \mathrm{COOH}(l)+2 \mathrm{O}_2(g) \rightarrow 2 \mathrm{CO}_2(g)+2 \mathrm{H}_2 \mathrm{O}(l) \\ & \Delta n_g=2-2=0 \\ & W=-\Delta n_g R T \\ & =-0 \times R T=0.0 \mathrm{~J}\end{aligned}\)
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