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Grade: 11
        For the reaction process a+b-> products, the rate is first order wrt a and second order wrt b. If 1 mol each of and b were introduced into a 1l vessel and the initial rate were 1*10^-2 (mol/l) sec^-1. Calculate the rate when half the reactants have been turned into products.
2 years ago

Answers : (1)

Gopal
54 Points
							
From the given data rate law for the reaction  
Rate = K[a][b]2
 Rate of reaction when  concentration of all reactants are set at unity , R=K
therefore rate constant = 1x 10-2  
From rate law rate of reaction when conc becomes half is R=K[0.5][0.5]2  =1x 10-2[0.5][0.5]2  =1.25 x 10-3molsL-1s-1
2 years ago
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