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May 26, 2015

Homework Help: Rate Constants

Posted by Amy on Tuesday, February 12, 2013 at 8:31am.

I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any help

Rate= k[I2]X{[H+]Y[CH3COCH3]Z



Trial Volume of 0.0010 M I2
Volume of 0.050 M HCl
Volume of 1.0 M acetone
Volume of water Temperature (degrees C)
Reaction time
A 5.0 10.0 10.0 25.0 25.0 130
B 10.0 10.0 10.0 20.0 25.0 249
C 10.0 20.0 10.0 10.0 25.0 128
D 10.0 10.0 20.0 10.0 25.0 131
E 10.0 10.0 10.0 20.0 42.4 38

What is the rate constant at 25.0 degrees C based on the data collected for trial B? Assume that the relative rate is equal to the actual rate in molar per second.

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