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Problem $07\mathrm{.}067-$ Entropy determination using computer chips.

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Twenty six grams of computer chips with a specific heat of $0\mathrm{.}3$ kJ$/$kg$$K are initially at $20$C$.$ These chips are cooled by placement in $5$ g of saturated liquid R$-134$a at $40$C$.$ The pressure remains constant while the chips are being cooled.

Problem $07\mathrm{.}067.$a $-$ Entropy change of chip cooled by liquid R$134$a

Determine the entropy change of the chips. $($Round the final answer to three decimal places.$)$

The entropy change of the chips is kJ$/$K$.$