A BSTRACT Differential Scanning Calorimetry was used to measure the rates and heats of the solid state reactions between aluminum chloride and pyridinium chloride. It was found that the three reactions studied followed the same rate law derived from a two dimensional diffusion mechanism. The integrated form of this rate law is (1-Qln(l-Q + £ = kt where C is the degree of transformation, k is the specific rate constant and t is the time. The rate constant for the neutralization reaction was

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... red at several temperatures and from these data the energy of activation was calculated. From the measured rate law. inferences about the reaction mechanism and energy transfer were made. ) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 207.241.231.81