If the heat of combustion of isobutane at constant volume is $Q_v$,what will be the heat of combustion of one mole of isobutane at constant pressure and standard conditions? (Given: $\Delta n_g = -3.5$)
- A$Q_v - 3.5RT$
- B$Q_v(1 - 3.5RT)$
- C$-3.5RT$
- D$Q_v(1 - T)$
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Similar Questions
Three moles of an ideal gas are compressed isothermally from $60 \ L$ to $20 \ L$ using a constant external pressure of $5 \ atm$. The heat exchange $Q$ for the compression is $....... \ L \cdot atm$.
Which of the following relations is correct for the internal energy change $(\Delta U)$ in a process occurring at constant volume?
Easy
View SolutionWhen $1 \ mole$ of gas is heated at constant volume and heat supplied is $500 \ J$,then which of the following is correct?
$A$ gas expands isothermally from $10 \, dm^3$ to $20 \, dm^3$ at a constant external pressure of $1 \, atm$. If it absorbs $800 \, J$ of heat from the surroundings,what is the value of $\Delta U$ in $J$ for this process?
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View SolutionFor an isochoric process,the first law of thermodynamics can be expressed as:
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