Question

Explain why the extrapolated temperature is used to determine the maximun temperature of the mixture rather than the highest recorded temperature

Answer 1

The extrapolated temperature is used to define the maximum temperature of the mixture relatively than the highest recorded temperature in which the conclusion will effect in a higher specific heat value. Heat is bound to escape from whatever apparatus is using, therefore it is needed to account for the loss of the heat that does not go into increasing the temperature of the mixture. 

Answer 2

The extrapolated temperature is used to determine the maximum temperature of mixture so that the amount of heat released by the mixture into the surroundings is settled and accurate reading is measured.

Further Explanation:

When a mixture is heated to a particular temperature, the amount of energy provided to the mixture suddenly appears to increase the temperature of the whole mixture to a certain value instantly.

But this temperature is not the correct reading for the maximum temperature of the mixture because, the amount of heat supplied t the mixture slowly reaches its equilibrium by heating its surroundings and the air around it.

Some of the heat may get dissipated in heating the apparatus because the surroundings of the mixture are not ideal. Therefore, the equilibrium temperature of the mixture may fall to some value. That’s why the maximum recorded temperature is not considered the maximum temperature of the mixture.

Thus, the extrapolated temperature is used to determine the maximum temperature of mixture so that the amount of heat released by the mixture into the surroundings is settled and accurate reading is measured.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Heat and Temperature

Keywords:

Extrapolated temperature, maximum temperature, highest recorded temperature, surroundings, heat loss, apparatus, ideal, equilibrium temperature.