The rate constant of a second-order reaction A + B -> products in solution is k = 0.002 dm³.mol-1.s-1 at 37 ° C. After which time, the concentration of the starting material B drops to half of its initial concentration, when a) the initial concentrations of A and B are the same: CAO = CB0 = 0.56 mol.dm-3 b) the initial concentrations are different: CAO = 1.12 mol.dm³, CB0 = 0.56 mol.dm-3.

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The rate constant of a second-order reaction A + B -> products in solution is k =
0.002 dm³.mol-1.s-1 at 37 ° C. After which time, the concentration of the starting
material B drops to half of its initial concentration, when
a) the initial concentrations of A and B are the same: CAO = CB0 = 0.56 mol.dm-3
b) the initial concentrations are different: CAO = 1.12 mol.dm³, CB0 = 0.56 mol.dm-3.
Transcribed Image Text:The rate constant of a second-order reaction A + B -> products in solution is k = 0.002 dm³.mol-1.s-1 at 37 ° C. After which time, the concentration of the starting material B drops to half of its initial concentration, when a) the initial concentrations of A and B are the same: CAO = CB0 = 0.56 mol.dm-3 b) the initial concentrations are different: CAO = 1.12 mol.dm³, CB0 = 0.56 mol.dm-3.
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