Q.Clearly state the difference between heat and temperature.
Temperature and heat are often used loosely as synonyms in everyday speech, but they are physically distinct (§7.2). Temperature is a single number describing a body's degree of hotness -- microscopically, it reflects the AVERAGE kinetic energy per particle of the substance. It does not, by itself, tell you how much total thermal energy the body contains, because that also depends on how much substance there is (its mass). Heat, by contrast, is a form of ENERGY -- specifically, energy IN TRANSIT between two bodies (or a body and its surroundings) because of a temperature difference between them; once transferred, it no longer makes sense to speak of the heat 'possessed' by a body (a body has internal energy, not 'heat' stored in it). A large volume of lukewarm water and a small cup of very hot water can, in principle, contain the same total heat energy despite having very different temperatures, because of the difference in mass -- this alone shows temperature and heat are not the same quantity. Temperature is intensive (independent of the amount of substance); heat is extensive (proportional to mass, for a given temperature change). [!ANSWER] Temperature is an intensive property (independent of amount); heat is energy, an extensive quantity that depends on mass.
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