100 mol/s of ethylbenzene gas is compressed in a steady-flow process from 1 bar and 150C to 13 bar. In its initial state, the ethylbenzene may be assumed to be an ideal gas.

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1) What is the final temperature after compression if the compression occurs isentropically? 2) How much power (work) in kW is required for this compression if the compression occurs isentropically? 3) How much power (work) in kW is required for this compression if the compressor efficiency = 70%?