The entropy change during heating of 50 g water (sp. Heat `=4200 J kg^(-1) K^(-1)`) from `20^(@)C` to `40^(@)C` will be

Question

The entropy change during heating of 50 g water (sp. Heat `=4200 J kg^(-1) K^(-1)`) from `20^(@)C` to `40^(@)C` will be

The entropy change during heating of 50 g water (sp. Heat `=4200 J kg^(-1) K^(-1)`) from `20^(@)C` to `40^(@)C` will be
A. `13.83 JK^(-1)`
B. `-13.83 JK^(-1)`
C. `27.66 JK^(-1)`
D. `55.32 JK^(-1)`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`DeltaS=2.303 nC_(p)"log" T_(2)/T_(1)`

6 views Answered 2023-02-05 15:29