Learning Task No.2: Using the same diagram above, state the Second Law of
Thermodynamics. Write three sentences on the differences between heat and
temperature.
(pls answer)
Thermodynamics. Write three sentences on the differences between heat and
temperature.
(pls answer)
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Explanation:
1. Heat
Heat is a form of energy that can transfer from hot body to cold body.
Heat is the total kinetic energy and potential energy obtained by molecules in an object.
Heat flows from hot body to cold body.
It has a working ability.
Its SI unit is “Joule”.
It is measured by the calorimeter.
It is represented by “Q”.
2. Temperature
Temperature is the degree of hotness and coldness of a body.
Temperature is the average K.E of molecules in a substance.
It rises when heated and falls down when an object is cooled down.
It does not have the working ability.
Its SI unit is “Kelvin”.
It is measured by the thermometer.
It is represented by “T”.