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Question
The variation of heat of reaction with temperature at constant pressure is given by the __________ law.
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Solution
The correct option is C Kirchoff's
At constant pressure, the heat capacity is equal to change
in enthalpy divided by the change in temperature.
Therefore, if the heat capacities do not vary with
temperature then the change in enthalpy is a function of the difference in
temperature and heat capacities. The amount that the enthalpy changes by is
proportional to the product of temperature change and change in heat capacities
of products and reactants.
This is stated by Kirchoff's Law.
At constant pressure, the heat capacity is equal to change in enthalpy divided by the change in temperature.
Therefore, if the heat capacities do not vary with temperature then the change in enthalpy is a function of the difference in temperature and heat capacities. The amount that the enthalpy changes by is proportional to the product of temperature change and change in heat capacities of products and reactants.
This is stated by Kirchoff's Law.
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