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Question
Cp of water is 10 J/°C and that of steam is 15 J/°C, what is the enthalpy change of water from 75°C to 110°C at standard conditions, if the later heat of vaporization of water is 245 J?
Options:
A .  395 J
B .  645 J
C .  840 J
D .  999 J
Answer: Option B
Answer: (b).645 J

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