A mass of 0.8 kg of water at 25°C is mixed with m kg of boiling water. The resultant
temperature is 40°C. Then find 'm'.
A) 40°C B) 48°C C) 62.5°C D)65°C
answer a I need explanation
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Heat is a form of energy, which when absorbed by a body makes it hot and when extracted from a makes it cold. It is also defined as the total kinetic energy possessed by all the molecules of a body. The S. I. unit of heat is joule/kg kelvin.
Answer: One calorie is the heat required to raise the temperature of 1 g of water from 14.5°C to 15.5°C
1 Calorie = 4.2 joule.
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