Explain why- steam at 100- is better for heating purposes than boiling water at 100-C-

You have to add lots of energy to 100^∘C water to turn it into 100^∘C steam as steam has a latent heat of vaporization also. Thus, steam can heat up more before ...

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Standard IX

Chemistry

Latent Heat of Vaporisation

Explain why, ...

Question

Explain why, steam at $100^{\circ}$ is better for heating purposes than boiling water at $100^{\circ}$ C.

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Solution

You have to add lots of energy to $100^{\circ} C$ water to turn it into $100^{\circ} C$ steam as steam has a latent heat of vaporization also. Thus, steam can heat up more before cooling down to normal room temperature water. The amount of energy is equal to that of heating water from $0^{\circ} C$ to $100^{\circ} C$ 5,4 times over. More heat available from steam at 100 deg.C. Steam while condensing gives out the latent heat of evaporation.

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Explain why, steam at 100∘ is better for heating purposes than boiling water at 100∘C.

Explain why, steam at $100^{\circ}$ is better for heating purposes than boiling water at $100^{\circ}$ C.