If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally and reversibly to a final volume of 15 L, the work done by the gas in L atm is:

Question

If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally and reversibly to a final volume of 15 L, the work done by the gas in L atm is:

If 1.5 L of an ideal gas at a apressure of 20 atm expands isothermally and reversibly to a final volume of 15 L, the work done by the gas in L atm is:
A. 69.09
B. 34.55
C. `-34.55`
D. `-69.09`

Monjur Alahi

11 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
`w_("expansion")=-2.303nRT"log"_(10)((V_(2))/(V_(1)))`
`=-2.303PV" "log_(10)((V_(2))/(V_(1)))`
`=-2.303xx1.5xx20" log "((15)/(1.5))`
`=69.09L" "atm`

11 views Answered 2023-02-05 15:29