The rate constant of a first order reaction is 445 x 10-2, Chemistry

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The rate constant of a first order reaction is 445 x 10-2

1.) Gaseous HI decomposes to hydrogen and iodine 2HI(g) = H2(g) + I2(g) A 2.00 mol sample of HI is placed in a 4.00 L container and heated to a fixed high temperature. When Equilibrium is reached 45 % of HI has decomposed. What is the value of Kc.

2.) The rate constant of a first order reaction is 4.45 x 10^-2 s-1 at 35 degrees C. What is the rate constant at 77 degrees C if the activation energy for the reaction is 60.2 kJ/mol?

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Chemistry: The rate constant of a first order reaction is 445 x 10-2

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