
Interpretation:
The ashes of a fire cool down, overnight. What has happened to the products and the heat needs to be identified.
Concept Introduction :
The thermal energy or heat energy can be transferred from one object to another. Heat energy may be transferred by the following approaches: convection, radiation and conduction.

Answer to Problem 5E
The heat is transferred from the ashes to the surrounding particles.
Explanation of Solution
Mostly the fire is a combination of hot gases which become the part of the surrounding atmosphere. The left-over ashes are the substances which are not transformed into heat or light by a fire. The ashes heat transfers into the surrounding air and other materials around the atmosphere. This is the reason for ashes of fire to cool down, overnight.
Chapter U5 Solutions
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