16. The increase of enthalpy of an ideal gas is 141.7 kJ when the pressure increases from 103.4 kPaa to 1034 kPaa and the volume decreases from 477liters to 74.5 liters. Determine (a) the change of intemal energy (b) the final temperature of the gas if the initial temperature is 28.3°C. Ans (a) 11.4 kJ (b) 198°C

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