2 mol of an ideal gas at `27^(@)C` temperature is expanded reversibly from `2L` to `20L`. Find entropy change `(R = 2 cal mol^(-1) K^(-1))`

Question

2 mol of an ideal gas at `27^(@)C` temperature is expanded reversibly from `2L` to `20L`. Find entropy change `(R = 2 cal mol^(-1) K^(-1))`

2 mol of an ideal gas at `27^(@)C` temperature is expanded reversibly from `2L` to `20L`. Find entropy change `(R = 2 cal mol^(-1) K^(-1))`
A. 92.1
B. 0
C. 4
D. 9.2

Monjur Alahi

5 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 - D
`DeltaS` (enthropy change) `=2.303 nR "log"_(10)(V_(2))/(V_(1))`
`=2.303 xx 2xx2xx"log"_(10)(20)/(2)`
`=2.303 xx 2xx2xx1=9212` cal

5 views Answered 2023-02-05 15:29