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# Rate Laws

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Question 1
Consider the reaction

whose rate at 25 was measured using three different sets of initial concentrations as listed in the following table:

1 0.40 0.010 1.9Ã—10^3
2 0.40 0.020 3.8Ã—10^3
3 0.80 0.010 7.7Ã—10^3

What is the rate law for this reaction?
Express the rate law symbolically.

Question 2
In a study of the decomposition of hydrogen iodide

the following concentration-time data were collected:
Time

0 0.467
1 0.267
2 0.187
3 0.144
4 0.117
5 0.099
6 0.085
7 0.075

What is the order of the reaction?

https://brainmass.com/chemistry/chemical-kinetics/rate-laws-rate-constants-reaction-orders-233320

#### Solution Preview

Question 1
Consider the reaction

whose rate at 25 was measured using three different sets of initial concentrations as listed in the following table:
Trial
( )

( )
Rate
( )

1 0.40 0.010 1.9Ã—10âˆ’3
2 0.40 0.020 3.8Ã—10âˆ’3
3 0.80 0.010 7.7Ã—10âˆ’3

What is the rate law for this reaction?
Express the rate law symbolically ...

#### Solution Summary

A range of questions using real data to extract key information regarding rate laws and kinetics

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