Question

How much energy is transferred when 1gm of boiling water at 100C cools to water at 0C?

Answer 1

Answer:

mass of water (m) = 1g

initial temperature (T1) = 0 c

Final temperature (T2) = 100 c

specific heat of water (s) = 1cal / g-c

heat energy transferred Q = ms (T2-T1)

Q = 1x1x(100-0)

= 100 cal

100 cal is the temperature

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Answer 2

Answer:

The energy transferred when 1 gm of boiling water at 100C condenses to water at 100C is equal to the latent heat of vapourisation of water which is equal to 2260 Joule.

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