When a reaction mechanism is given, the rate law can be determined using the slow step in the reaction mechanism.
▪ rate law only involves the reactants
▪ the coefficients of the reactants in the slow step are the order of the reaction with respect to that reactant
▪ Rate Law has a general form of:
#1 Consider the following mechanism:
Step 1: 2A → B slow
Step 2: B + C → D fast
Overall 2A + C → D
Determine the rate law for the overall reaction (where the overall rate constant is represented as k).
#2 Consider the following mechanism:
Step 1: 2A ⇌ B equilibrium
Step 2: B + C → D slow
Overall: 2A + C → D
Determine the rate law for the overall reaction (where the rate constant is represented as k)
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Reaction Mechanism concept. If you need more Reaction Mechanism practice, you can also practice Reaction Mechanism practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty of#1 Consider the following mechanism:Step 1: 2A → B slowStep ...as medium difficulty.
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Based on our data, we think this problem is relevant for Professor Broome's class at University of Southern Mississippi.