When 1 mole gas is heated at constant volume, temperature is raised from 298 to 308 K. Heat supplied to the gas in 500 J. Then, which statement is cor

Question

When 1 mole gas is heated at constant volume, temperature is raised from 298 to 308 K. Heat supplied to the gas in 500 J. Then, which statement is cor

When 1 mole gas is heated at constant volume, temperature is raised from 298 to 308 K. Heat supplied to the gas in 500 J. Then, which statement is correct ?
A. `q=W=500 J , DeltaE=0`
B. `q=DeltaE=500 Jm W=0`
C. `q=-W=500 J, DeltaE=0`
D. `DeltaE=0,q=W=-500 J`

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 - B
We know that , `DeltaH=DeltaE+pDeltaV`
When, `DeltaV=0`
`therefore DeltaH=DeltaE`
In given problem `DeltaH=500 J `
`-W=-pDeltaV,DeltaV=0`
So, `DeltaE=q=500 J`

5 views Answered 2023-02-05 15:29