A piston-cylinder assembly containing a gas undergoes a process in which the temperature of the system rises
Question:
A piston-cylinder assembly containing a gas undergoes a process in which the temperature of the system rises from \(100^{\circ} \mathrm{C}\) to \(150^{\circ} \mathrm{C}\). The heat transmission per degree rise in temperature is governed by the equation
\[ \frac{d Q}{d T}=1.25 \frac{\mathrm{kJ}}{\mathrm{K}} \]
The work done on the system per degree rise in temperature is given by
\[ \frac{d W}{d T}=(5-0.25 T) \frac{\mathrm{kJ}}{\mathrm{K}} \]
Calculate the change in internal energy of the system during the process.
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