Concept explainers
What is temperature? What is heat?
Definitions of temperature and heat.
Answer to Problem 1CQ
Temperature is a measure of the average kinetic energy of the molecules that constitute a substance and the measure of the internal energy that is absorbed or transferred from one body to the other is termed as heat.
Explanation of Solution
Temperature is a measure of the average kinetic energy of the molecules that constitute a substance. It measures how much hot or cold a material is. The scales in which the temperature is measured are the Kelvin Scale
The measure of the internal energy that is absorbed or transferred from one body to the other is termed as heat. The transfer of energy within a body or from one body to the other is called heat transfer. There are three modes by which heat can get transferred from one body to the other namely conduction that is by the molecules vibrating about their axis; convection that is by the movement of molecules from one place to the other and radiation that involve the use of waves.
Conclusion:
Therefore, the temperature measures the average kinetic energy of the molecules that constitute a substance and the measure of the internal energy that is absorbed or transferred from one body to the other is termed as heat.
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