Ber causing the temperature to rise by 15" Find and to the process
- wa CUST
[2 marks
De=Qtw
b. The same liquid as in part b above is stirred in a conducting chamber. During the
process 1.7 K of heat are transferred from the liquid to the surroundings, while the
temperature of the liquid is rising to 15°C. Find A E and w for the process
[2 marks
A mass of 8 kg gas expands within a flexible container so that the p-v relationship is of the
from PV = constant. The initial pressure is 1000 kPa and the initial volume isim the
final pressure is 5 kPa. If specific internal energy of the gas decreases by 40k/kg, find the
heat transfer in magnitude and direction
14 marks
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