Question

2.5 kg of gas with an initial volume 1.2m3

is cooled at constant

pressure of 700 KN/m2

. The temperature at the end of cooling

is 287°C. Determine: (i)The change in internal energy (ii)The

change in enthalpy (iii)Heat transferred (iv)Work done and

(v)Change in enthalpy Take R=0.32kJ/kgK and ܥ= ௣1.16 kJ/kgK
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Answer 1

Answer:

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