problem17_p105

University Physics with Modern Physics with Mastering Physics (11th Edition)

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17.105: a) If all of the steam were to condense, the energy available to heat the water would be J. 10 02 . 9 ) kg J 10 2256 )( kg 0400 . 0 ( 4 3 × = × If all of the water were to be heated to C, 0 . 100 ° the needed heat would be J. 10 19 . 4 ) C 0 . 50 )( K kg J 4190 )( kg 200 . 0 ( 4 × = ° Thus, the water heats to C 0 . 100 ° and some of the steam condenses; the temperature of the final state is C. 100
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Unformatted text preview: b) Because the steam has more energy to give up than it takes to raise the water temperature, we can assume that some of the steam is converted to water: kg. 019 . kg J 10 2256 J 10 19 . 4 3 4 = = m Thus in the final state, there are 0.219 kg of water and 0.021 kg of steam....
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