Copper has a density of 555 lbm/ft3 and a specific heat of 0.0925 Btu/lbm-R. Consider that a block of copper undergoes a process that increases its pressure and temperature from 14.7 psi and 540 R to 295 psi and 720 K. Determine the change in specific internal energy and specific enthalpy for the copper in this process. Do not neglect the pressure terms in the enthalpy calculation.
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