for second order reaction
K = 1 / [A0]t1/2
[A0] = 0.67 M
t1/2 = 15.4 s
K = 1 / 0.67 x 15.4
K = 1 / 10.318
K = 0.097 M-1s-1
The half-life for the second-order decomposition of HI is 15.4 5 when the initial concentration of...
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