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Method of Initial Rates
Worksheet
Grade Level
Chemistry
11.89 Method of Initial Rates
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Two trials for A + B -> products are compared, but the first initial-rate measurement began 20 seconds after mixing while the second began immediately. Why is this a problem?
A
The reaction order must be zero after 20 seconds.
B
The first rate may not correspond to the listed initial concentrations.
C
The units of rate become impossible to determine.
D
The balanced equation changes during the delay.
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