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11 Nov 2019

The reactant concentration in a zero-order reaction was 0.100 M after 120 s and 3.50×10−2M after 345 s . What is the rate constant for this reaction?

What was the initial reactant concentration for the reaction described in Part A?

The reactant concentration in a first-order reaction was 9.60×10−2M after 10.0 s and 7.30×10−3M after 75.0 s . What is the rate constant for this reaction?

The reactant concentration in a second-order reaction was 0.100 M after 265 s and 7.20×10−2M after 895 s . What is the rate constant for this reaction?

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15 Aug 2019

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Related questions

Part A The reactant concentration in a zero-order reaction was 5.00×10−2 M after 190 s and 3.50×10−2 M after 370 s . What is the rate constant for this reaction? Express your answer with the appropriate units.

Part B

What was the initial reactant concentration for the reaction described in Part A?

Express your answer with the appropriate units

Part C

The reactant concentration in a first-order reaction was 8.80×10−2M after 20.0 s and 7.10×10−3M after 60.0 s. What is the rate constant for this reaction?

Express your answer with the appropriate units.

Part D

The reactant concentration in a second-order reaction was 0.650 M after 190 s and 1.60×10−2M after 855 s . What is the rate constant for this reaction?

Express your answer with the appropriate units. Include an asterisk to indicate a compound unit with mulitplication, for example write a Newton-meter asN*m.

The integrated rate laws for zero-, first-, and second-order reaction may be arranged such that they resemble the equation for a straight line,y=mx+b.

1.) The reactant concentration in a zero-order reaction was 6.00×10−2M after 165 s and 3.50×10−2Mafter 385 s . What is the rate constant for this reaction?

2.)What was the initial reactant concentration for the reaction described in Part A?

3.)The reactant concentration in a first-order reaction was 6.70×10−2

M after 40.0 s and 2.50×10−3Mafter 95.0 s . What is the rate constant for this reaction?

4.)The reactant concentration in a second-order reaction was 0.850

M after 255 s and 3.40×10−2M after 860 s . What is the rate constant for this reaction?

Order Integrated Rate Law Graph Slope
0 [A]=−kt+[A]0 [A] vs. t −k
1 ln[A]=−kt+ln[A]0 ln[A] vs. t −k
2 1[A]= kt+1[A]0 1[A] vs. t k

Part A

The reactant concentration in a zero-order reaction was 5.00×10−2M after 130 s and 4.00×10−2M after 310 s . What is the rate constant for this reaction?

Express your answer with the appropriate units.
k0th =

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Part B

What was the initial reactant concentration for the reaction described in Part A?

Express your answer with the appropriate units.
[A]0 =

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Part C

The reactant concentration in a first-order reaction was 9.20×10−2M after 40.0 s and 8.20×10−3M after 95.0 s . What is the rate constant for this reaction?

Express your answer with the appropriate units.
k1st =

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Part D

The reactant concentration in a second-order reaction was 0.130 M after 295 s and 6.60×10−2M after 900 s . What is the rate constant for this reaction?

Express your answer with the appropriate units. Include an asterisk to indicate a compound unit with mulitplication, for example write a Newton-meter as N*m.
k2nd =

SubmitHintsMy AnswersGive UpReview Part

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