Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100 °C, be equal to the amount of heat released as 1 kg of saturated water vapor condenses at 100 °C? Why?

Question

Engineering

Averi Fry

3 March, 13:19

Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100 °C, be equal to the amount of heat released as 1 kg of saturated water vapor condenses at 100 °C? Why?

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Answers (1)

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Maribel Dean · Answer 1

When a saturated liquid water of 1 kg is heated and boils at 100 degree Celsius, the amount of heat absorbed is equal to the amount of heat released when 1 kg of saturated water vapour condenses at 100 degree Celsius.

Both the heat energy must be equal otherwise if the energy is different then energy is created by condensing and vapourizing the substance.