Calculate the work done by 5 moles of an ideal gas during expansion from 5 atm at 25 °C to 2 atm at 50 °C against a constant pressure of 0.5 atm. If for the gas Cp = 5.0 cal mol–1 deg–1, find also ∆U, ∆H, and q for the process.  (first law of thermodynamics)(answers should be: ∆U=375 cal; ∆H=625 cal; q=885 cal ;-510 cal) show solution properly

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