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There are few materials that contracts when their
\( \mathrm{P} \) temperature is increased, such as water between \( 0^{\circ} \mathrm{C} \) and \( 4^{\circ} \mathrm{C} \).
W. Would you expect \( C_{p} \) for such materials to be greater or less than \( C_{v} \) ?
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