An ideal monoatomic gas at 313 K and pressure of 1 bar is expanded adiabatically against a constant pressure of 0.5 bar until the final pressure is 0.5 bar. Given cvm 3R/2 (a) total heat (q) (b) total work (w) (c) total change of internal energy (∆U) (d) total change of enthalphy (∆H)

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