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For gases the accepted difference between molar isobaric heat capacity and molar isometric heat capacity is the ideal gas constant (R).
The Svante Arrhenius theory gave quantitative basis for the relationship between the activation energy, temperature and reaction rate constant and the final form of the equation can take a linear form and can be expressed as follows: equationIntegration of Equation 10 yields:Where Ea is the activation energy (kcal/mol), k is theaverage overall reaction rate constant, A is anArrhenius constant, R is the universal ideal gas constant (cal/mol.
The ideal gas law relates the pressure P, the volume V, the amount of substance in the air, ideal gas constant and temperature T of a gas as follows
1] is the solvent molecular weight, and R is the ideal gas constant.