Question

i) How much energy is transfered when 1 gm of boiling water at 100° C condenses to water

at 100°C?

ii) How much energy is transfered when 1 gm of boiling water at 100°C cools to water at

0°C ?

iii) How much energy is released or absorbed when 1 gm of water at 0°C freezes to ice at

0°C ?

iv) How much energy is released or absorbed when 1 gm of steam at 100°C turns to ice at

0°C ?​

Answer 1

Answer:

dont know sorry ......m..............

Answer 2

1

Whenever there is state change the temperature remains constant but still either energy is absorbed or released depending upon wheather heated or cooled.

The energy involved is called latent heat.

Here when water is condensed from boiling vapours to water at 1000C the energy is released called Latent heat of vapourisation and for water on condensing water its Latent heat of vapourisation is equal to 2257J/gm.

Hence energy released for 1gm on condensing to water is 2257J.

Explanation:

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