Practice question

MCQ

Question

For the process H₂O(l) → H₂O(g) at 373 K, Δ H = 40.79 kJ/mol, what is Δ Ssurr?

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Choose one · Correct answer highlighted

109.4 J/K·mol -109.4 J/K·mol Correct 40.79 J/K·mol -373 J/K·mol

Explanation

Δ Ssurr = -Δ H / T = -40.79 × 10³ / 373 = -109.4 J/K·mol.

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