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An 7.5 g ice cube at −10°C is put into a Thermos flask containing 150 cm3...

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Physics

An 7.5 g ice cube at −10°C is put into a Thermos flaskcontaining 150 cm3 of water at 21°C. By how much has theentropy of the cube–water system changed when equilibrium isreached? The specific heat of ice is 2220 J/kg · K. (The latentheat of fusion for

water is 333 kJ/kg.)

Answer & Explanation Solved by verified expert
3.6 Ratings (342 Votes)
First we need to find the equilibrium temperature of the water T change in temperature Q m c DT change in phase Q m L Energy gained by ice Ice 10 C to 0 C m 750 g 75103 kg c 2220 Jkg1K1 Q1 m c DT 75103222010 1665 J    See Answer
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