Question

1. (a) A 300.0 g copper kettle contains 1.000 kg of water at 20.0 °C. How much energy must you supply to heat the kettle + water to 98.6 °C? (b) How much propane must you burn to provide this energy, if the transfer of the heat of combustion is 35 %?

Answer 1

Answer:

No,the temperature is same for both water and steam

Explanation: What she felt was extra heat energy,as the water has gained some extra heat(latent heat) to be steam,so for the same amount of water or steam it will be greater extent of heat conduction in case of steam to her hand,so she would felt it,but the temperature of water and steam at boiling point is same,and what she feeling is extra heat....