Advertisements
Advertisements
Question
Solution
Whenever a substance goes through a phase change (like boiling), the energy goes into breaking up the interactions between molecules, and so the temperature stays constant until all the interactions are broken. Once whole of the substance has boiled, then any added heat will act to raise them temperature again.
APPEARS IN
RELATED QUESTIONS
Define calorimetry ?
Name the law on which the principle of mixture is based.
Explain the terms melting ?
Explain, why are big tubs of water kept in underground cellars for storing fresh fruit and vegetables in cold countries.
Calculate the heat energy that will be released when 5.0 kg of steam at 100°C condenses to form water at 100°C. Express your answer in S.I. unit. (Specific latent heat of vaporization of steam is 2268 kj/kg.)
A Bunsen burner raises the temperature of 500g of water from 10°C to 100°C in 5 minutes. What heat is supplied per second?
A calorimeter is a device used to measure the ______.
