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.
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 5.00Ã10?2M after 175 s and 4.00Ã10?2M after 400 s . What is the rate constant for this reaction?
Part B
What was the initial reactant concentration for the reaction described in Part A?
Part C
The reactant concentration in a first-order reaction was 6.40Ã10?2M after 50.0 s and 4.60Ã10?3M after 60.0 s . What is the rate constant for this reaction?
Part D
The reactant concentration in a second-order reaction was 0.730 M after 210 s and 6.40Ã10?2M after 705 s . What is the rate constant for this reaction?
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.
| 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 5.00Ã10?2M after 175 s and 4.00Ã10?2M after 400 s . What is the rate constant for this reaction?
Part B
What was the initial reactant concentration for the reaction described in Part A?
Part C
The reactant concentration in a first-order reaction was 6.40Ã10?2M after 50.0 s and 4.60Ã10?3M after 60.0 s . What is the rate constant for this reaction?
Part D
The reactant concentration in a second-order reaction was 0.730 M after 210 s and 6.40Ã10?2M after 705 s . What is the rate constant for this reaction?
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Related questions
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.
| Order | Integrated Rate Law | Graph | Slope |
| 0 | [A]=âkt+[A]0 | [A] vs. t | âk |
| 1 | ln[A]=âkt+ln[A]0 | ln[A] vs. t | âk |
| 2 | 1[A]= kt+1[A]0 | 1[A] vs. t | k |
Part A
The reactant concentration in a zero-order reaction was 7.00Ã10â2M after 135 s and 2.50Ã10â2M after 315 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 9.40Ã10â2M after 50.0 s and 1.50Ã10â3M after 75.0 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 0.250 M after 170 s and 2.60Ã10â2M after 835 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.t B
What was the initial reactant concentration for the reaction described in Part A?
Express your answer with the appropriate units.
