Answer:
29,200 cal = 1.22 E 5 joules
Explanation:
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Amplitude is the awnser glad I could help you
Use the formula for second order reaction:

C = concentration at time t
C0 = initial conc.
k = rate constant
t = time
1st equation :

2nd Equation:

Find

from 1st equation and put it in 2nd equation:


k = 0.046