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Have class in 2 hours. In this lab, we determined the orders of reagents and asp

ID: 944715 • Letter: H

Question

Have class in 2 hours. In this lab, we determined the orders of reagents and aspecific rate constant by measuring the rate of oxygen evolutionfrom the iodide-catalyzed decomposition of hydrogen peroxide,H2O2.

2) Would your specific rate constant, k, be larger than,smaller than, or unchanged from the correct value as a result ofeach of the following mistakes? Justify your answer

a) You accidentally substituted a value for n twice as greatas it should have been when calculating k. Please if you need more information let me know!!!Explain!!

b) Your water bath in the pneumatic trough was about 5Cdegrees warmer than room temperature for all three of yourexperiments.

Explanation / Answer

2)

will K change if...

a)

n twice as great as normal

--> yes it will change, since k = rate/(concnetrations)^dn

then

it will drop

b)

if T real = 5°c + Texperiment

then, this is warmer, warmer reactions have higher rates of reactions since K if a cuntion of T; then this value will be much higher than the actual value

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