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20 Jun 2020

The following data is for the second-order reaction 2A→B+C.

Time(min) [A] (M)
0 4.683
10 3.122
20 2.341
30 1.873

What is the rate constant of this reaction?

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General Chemistry 2
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Solve problems relating to zero-, first-, and second-order reactions
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Related questions

Ni(CO)4 (s) = 4CO (g) + Ni (s)

At 66.0C, the rate constant for this reaction is 1.873 s^-1

a) what is the reaction order for this process

b) Write the rate law expression for this reaction based on youranswer to part a.

c) Determine the time required for half of the Ni(CO)4 todecompose

d) determine the time required for 90% of the Ni(CO)4 todecompose

please show as much work as possible and provide explanation ifpossible, so that i am able to do it on my own in the future. ThankYou.

For the reaction A ---> 2 B + C, thefollowing data are obtained for [A] as a function of time: t = 0min, [A] = 0.800M; 8min, [A] = 0.700 M; 24 min, [A] = 0.550 M; 40 min, [A] = 0.450 M;90 min, [A] = 0.280 M.

(a) Is the reaction first order or second order? Show evidencethat conclusively supports your claim.

(b) What is the value of the rate constant, k?

(c) Calculate the rate of formation of B at t = 30 min.

Hydrolysis of aspirin (ASA) was measured at 3 temperatures. Determine the rate constant and order of reaction for each temperature.

Time (min)

ASA conc. (mM) (40 degrees C)

0

5.313

10

5.033

20

4.815

30

4.633

40

4.582

50

4.400

60

4.175


Time (min)

ASA conc. (mM) (50 degrees C)

0

5.313

10

5.044

20

4.611

30

4.175

40

3.927

50

3.706

60

3.491


Time (min)

ASA conc. (mM) (60 degrees C)

0

5.313

10

4.175

20

3.069

30

2.243

40

1.683

50

1.352

60

0.970

The hydrolysis reaction of aspirin was measured at 3 temperatures shown below. Using this data, determine the rate constant and order of reaction at each temperaure.

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