When an ideal gas is heated at constant pressure, the fraction of the heat energy supplied whicn increases the internal energy of the gas is :

Question

When an ideal gas is heated at constant pressure, the fraction of the heat energy supplied whicn increases the internal energy of the gas is :

When an ideal gas is heated at constant pressure, the fraction of the heat energy supplied whicn increases the internal energy of the gas is :
A. `(2)/(5)`
B. `(3)/(5)`
C. `(3)/(7)`
D. `(5)/(7)`

Monjur Alahi

4 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
`{:(dQ=dW+dU,,,,),(dQ=PdV+dU,,,,),(dQ=nRdT+dU,,,,):}`
`dQ=(2dU)/(f)+dU" "[dU=(nfRdT)/(2)]`
`(dU)/(dQ)=(1)/(((2)/(f)+1))`
`(dU)/(dQ)=(5)/(7)`

4 views Answered 2023-02-05 15:29