100 g of water and 100 g of steam are comidcred at `100^(@)`C. What is the extra amount of heat energy possessed by steam than water?

Answer

54 kcal

Explanation

1 g of water required 540 cal of heat for getting converted into steam at `100^@C`. That means 1 g of steam possess 540 calories of extra heat than 1 g of water. Therefore, 100 g of steam contains 54,000 cal of `ul"(54 kcal)"` more heat than 100 g of water at `100^@C`.