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JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry

\(2 {NO}_{2}({~g}) \rightleftharpoons {N}_{2} {O}_{4}({~g})\) પ્રક્રિયા માટે, જ્યારે \(\Delta {S}=-176.0\, {JK}^{-1}\) અને \(\Delta {H}=-57.8\, {~kJ}\, {~mol}^{-1}\), \(298\, \mathrm{~K}\) પર પ્રક્રિયા માટે \(\Delta {G}\)ની તીવ્રતા  \(......\,{kJ} {mol}^{-1} .\) (નજીકના પૂર્ણાંકમાં)

  1. A \(15\)
  2. B \(10\)
  3. C \(5\)
  4. D \(8\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(5\)

Step-by-step Solution

Detailed explanation

\(\Delta {G}=\Delta {H}-{T} \Delta {S}\) \(\Delta {G}=57.8-\frac{298(-176)}{1000}\) \(\Delta {G}=-5.352 \,{~kJ} / {mole}\) \(\mid\) Nearest integer value \(\mid=5\)
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