41. Solution to Chemistry Problem

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• What is the reaction rate? Formulate a law that reflects the dependence of the reaction rate on the concentrations of the reactants for a homogeneous process. What is the order of the reaction? Half-life? Write the equations for the relationship between the half-life and the rate constant for a first-order reaction. Estimate the age of a fossil biological object if chemical analysis has established the ratio of the concentrations of D/L isomers of aspartic acid in the fossil object, given in the table. This ratio in modern biological objects is 0.07, the rate constant of isomerization of L - isomer D - isomer is 1.48 * 10 5 years.

Problem No. Ratio D/L

33 0.3

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