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.

Rate Constants - Devron, Tuesday, February 12, 2013 at 10:47am
I am having trouble following along with the data that you gave; I do not know what the columns represent. If you can clarify what the columns represent then I will try to help. If not then maybe someone else will help that may know how to interpet the data.
Rate Constants - Amy, Wednesday, February 13, 2013 at 11:20am
The columns correspond to the labels above. For example, the first column, letters A-E are the Trial. The second column of the Volume of 0.0020 M I2, and so on.

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