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    Delta E

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    a) Identify the following systems as open, closed, or isolated.

    i) Coolant in a refrigerator coil
    ii) The combustion of liquid hexane in a bomb calorimeter

    b) A gas sample heated in a cylinder uses 650 kJ of heat. A piston that compresses this gas does 800 kJ of work. what is the change in internal energy, delta E, of the gas during this process?

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    Solution Preview

    A coolant in a refrigerator coil is a closed system as it exchanges heat with the surrounding but not ...

    Solution Summary

    The change in internal energy for a process is calculated.