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Chemistry 2710 Spring 2000 Quiz 5 solution

Start by taking a logarithm of both sides of the half-life equation:

eqnarray9

If we plot tex2html_wrap_inline34 vs tex2html_wrap_inline36 , we should get a straight line of slope 1-n. We can use tex2html_wrap_inline40 instead of the initial concentration.

tabular22

tex2html_wrap50

The slope is -1.39=1-n, therefore n = 2.39.



Marc Roussel
Fri Feb 11 10:00:42 MST 2000