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Third Law of Thermodynamics

Q.The value o...

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Q.The value of change enthalpy of reaction usually show very smal l change with increase in temperature (provided there is no phase changes during when the temperature is increased).Try to explain

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Solution

Because there is no phase change soThe pressure exerted by calorimetric material is fully and rapidly determined solely by its temp. and vol.(Acc. To Clausius and Kelvin).

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