Question

Why steam at 100 degrees Celsius is better for heating purposes than water at 100 degrees Celsius?​

Answer 1

Answer:

Steam at 100°C is better for heating purposes than water at 100°C because the energy of 1 kg of steam at 100°C is 22.6 x 10^5 joule which is more than that of 1 kg of water at the same temperature.

Answer 2

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Steam has got more energy stored in it. It is the latent heat of vaporization, 540 calories per gram.

In addition to this, steam is pressurized and its temperature goes still higher. Steam is more fluent than water. Water heats what ever is immersed in it. Steam is like air. It covers the object from all sides and heat it.

Steam can do mechanical work also which hot water cannot do. Now a days electricity is used, so this point is not so valid.

Only in house hold water can be used not in industries.