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CGP EDU Academic Team
Published on: August 14, 2026
What is the change in entropy when 2.5 mole of water is heated from 27 0 C to 87 0 C? Assume that the heat capacity is constant. (C p,m (H 2 O) = 4.2 J/g-K ln (1.2) = 0.18)
Text Solution
Verified by ExpertsThe correct answer is:
C
S = nC p, m In 
= 2.5 × 18 × 4.2 In 
= 34.02 J/K
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