The rate of dissociation of calcium carbonate under isothermal conditions is described by the equation V = k0e-E/RT S. Determine the reaction rate constant k and the activation energy E in the temperature range 700-750°C, if with a sample weight of 1 g and a piece surface S = 28 ,1 cm2, the change in weight ΔG for the same time interval Δτ= 2 min will be:
t, 0C 700 750
ΔG, g 0.0147 0.0390

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