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1 Suppose 120 g of water gas is compressed isothermally at 6000C from 10 L to 2 mL. Calculate the heat and work done by the system, the change in internal energy, and the change in entropy if:
a) the process is via a reversible path (sketch the pathway) b) the process is non-reversible (sketch the pathway) c) which pathway will require the least work and why? (10 marks)
2. Calculate the enthalpy of formation of hexane (CH3CH2CH2CH2CH2CH3) from:
i. Combustion data ii. Bond enthalpies