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Determining the concentration of a

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(a) The reaction A(aq) → B(aq) is a first order reaction with respect to A(aq). The concentration of A(aq) after 100.0 seconds of reaction is 0.975 M and the concentration of A(aq) after 400.0 seconds of reaction is 0.720 M. What will be the concentration of A(aq) after 805.3 seconds of reaction?

(b) The reaction A(aq) → B(aq) + C(aq) is a first order reaction with respect to A(aq). The half-life of A(aq) is 87.5 s at 25.0oC. Its activation energy is 21.1 kJ/mol. What is its half-life at 75.0oC?

Reference no: EM132591092

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