Chem 116 - General Chemistry II

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Kinetics: Reaction Rate and Rate Laws
Determining the Specific Rate Constant
[X] |
[Y] |
[Z] |
-d[X]/dt (M/s) |
0.0092 M |
0.11 M |
2.0 M |
1.6×10–2 |
0.0092 M |
0.11 M |
1.0 M |
1.6×10–2 |
0.0138 M |
0.055 M |
2.0 M |
1.8×10–2 |
0.023 M |
0.11 M |
2.0 M |
10.×10–2 |
What is the rate law for this reaction?
What is the value of the specific rate constant for this reaction?
Video Solution
Kinetics of a First Order Reaction I
Video Solution
Kinetics of a Zeroth Order Reaction
A certain zeroth order reaction has a half-life of 3.5 hours at an initial concentration of 0.450 M of reactant. What concentration of reactant remains after 72 minutes?
Kinetics of a Second Order Reaction
Video Solution
Kinetics of a First Order Reaction II
Video Solution
Percentage of Remaining Reactant after Six Half-Lives
Kinetics of First Order Reaction III
If the initial C4H8 concentration is 2.00 M, what is the concentration after 0.10 s?
C4H8 ➞ 2C2H4
Kinetics of First Order Reaction IV
What is the half-life of the reaction?
How long does it take for the concentration of cyclopropane to reach one-quarter of the intial value?
Video Solution
Kinetics of First Order Reaction V
2H2O2 (aq)➞ 2H2O (l) + O2 (g)
The reaction is first-order in H2O2, the specific rate constant for the consumption of H2O2 at 20 C is 1.8 X 10-5 s-1 and the intial concentration is 0.30 M
What is the half-life (in hours) of the reaction at 20 C?
What is the molarity of H2O2 after four half-lives?
How many hours will it take for the concentration to drop to 25 % of its original value?
What will be the concentration of the H2O2 after 555 minutes?
Video Solution
Kinetics of First Order Reaction VI
What is the numerical value of k?
How much time (in minutes) will it take for 84.0 % of the reactant to react?
If 0.50 M of reactant is present intially, how much reactant would remain after 5 minutes?
After three half-lives, what percent of reactant will remain?
Video Solution
Kinetics of First Order Reaction VII
Video Solution
Kinetics of First Order Reaction VIII
Video Solution
Kinetics of First Order Reaction IX
Video Solution
Kinetics of Second Order Reaction II
2NO2 (g)➞ 2NO (g) + O2 (g)
Concentration-time data for the decomposition of NO2 at 300 C is included.
From the prepared plots given determine the order of the reaction.
How can you determine the rate constant?
What is the concentration of NO2 at t = 20.0 min?
What is the half-life of the reaction when [NO2 ] = 6.00 X 10-3 M?
What is the half-life when [NO2] = 3.00 X 10-3 M?
How much time will it take for 25 % of NO2 to react when [NO2 ] = 8.00 X 10-3 M?
Video Solution
Kinetics of Second Order Reaction III
Video Solution
Kinetics of Second Order Reaction IV
Video Solution