Using the values given, calculate the amount of heat that isliberated when a 3.3
ID: 675860 • Letter: U
Question
Using the values given, calculate the amount of heat that isliberated when a 3.3-kg bucket of steam at100.0°C is cooled to give a 3.3-kgbucket of water at 26.0°C. (Condensingsteam has vapH = 2440 J/gand cooling water has cliq = 4.184J/g·°C.)___________ kJ
Using the values given, calculate the amount of heat that isliberated when a 3.3-kg bucket of steam at100.0°C is cooled to give a 3.3-kgbucket of water at 26.0°C. (Condensingsteam has vapH = 2440 J/gand cooling water has cliq = 4.184J/g·°C.)
___________ kJ
Explanation / Answer
delH = latent heat + heat for change of temperature latent heat (due to phase transition) = 3.3kg*2440 J/g*1000g/1kg) =805200 J heat for change of temperature = 3.3 kg *(4.184J/g/C)*(100 - 26C)*1000g/1kg = 1021732.8 J del H = total = 9073732.8 J = 9073.7 kJ
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