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  • Solve! The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

  • Option 1)

    specific heat at constant volume

  • Option 2)

    specific heat at constant pressure

  • Option 3)

    kilo Joule

  • Option 4)

    none of these

 

Answers (1)

best_answer

As we learnt in 

First law in isobaric process -

\Delta U= n\, C_{v}\Delta T

= n\frac{R}{\gamma -1}\Delta T
 

- wherein

\Delta Q= \Delta U+W

         = n\frac{\gamma \: R}{\gamma -1}\cdot \Delta T

\Delta Q= nC_{p}\: \Delta T

 

 C_v=\frac{\Delta V}{n\Delta T}=\frac{\Delta Q_v}{n\Delta T}\Rightarrow S=\frac{\Delta Qv}{m\Delta T}

C_v is defined as amount of heat required to raise temperature of the unit mass through one degree.


Option 1)

specific heat at constant volume

Correct

Option 2)

specific heat at constant pressure

Incorrect

Option 3)

kilo Joule

Incorrect

Option 4)

none of these

Incorrect

Posted by

Aadil

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