Verified Answer :

22.5 x 10 to the power 5 kilo/joules energy is transferred when boiling water at 100 degree celcius condenses to water at 100 degree celcius

AL2006

The latent heat of vaporization for water is
2257 KJ per Kg . I'm pretty sure that's exactly
the same as 2257 joules per gram. So ...

When 1 gm of STEAM at 100 C condenses to
1 gm of liquid water at 100 C, it releases
2257 joules of heat energy to its environment.

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