In a thermodynamic system,$\Delta U$ represents the increase in internal energy and $W$ represents the work done by the system. Which of the following statements is true?
- A$\Delta U = -W$ in an adiabatic process.
- B$\Delta U = W$ in an isothermal process.
- C$\Delta U = -W$ in an isothermal process.
- D$\Delta U = W$ in an adiabatic process.
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Five moles of hydrogen initially at $STP$ is compressed adiabatically so that its temperature becomes $673 \, K$. The increase in internal energy of the gas, in kilo joule is $(R=8.3 \, J/mol-K; \gamma=1.4$ for diatomic gas$)$
In a thermodynamic system,$W$ represents the work done by the system and $\Delta U$ is the increase in internal energy. Which of the following statements is $TRUE$?
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View SolutionWhat is the change in temperature when work is done by a gas in an adiabatic process?
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View Solution$Assertion :$ Adiabatic expansion is always accompanied by fall in temperature.
$Reason :$ In adiabatic process, volume is inversely proportional to temperature.
$Reason :$ In adiabatic process, volume is inversely proportional to temperature.
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