AP Chemistry 2.2 Chemical Reaction Rates
AP Chemistry 2.2 Chemical Reaction Rates. What would happen to the reaction?
|AP Chemistry||Chemical Reaction Rates|
|Test Prep||AP Chemistry|
And the rate law for this reaction is Rate = k[NO]2[O2].
< The rate constant times the concentration of NO times the concentration of o2> [Rate law and reaction example]
What would happen to the rate of the reaction if the concentration of NO were doubled, and
the concentration of O2 remained the same?
And here are the potential answers: [mumbling]
Before we launch right into this problem, let’s lift off our spirits with this fuel for [Boy tied to a rocket and the rocket sets off]
Many NASA astronauts have been chemists, so if you stick with this chemistry stuff, and
take some time to planet all out, you too could become an astronaut…[woman astronaut holding chemical substance and it explodes]
And that would be out of this world.
Now that we’ve run out of space for these astronomically terrible puns, let’s get [woman lab worker holding two erlenmeyer flasks]
back to the problem.
We’re given the rate law for the rocket fuel synthesis reaction.
The rate equals the concentration of NO squared times the concentration of O2.
The concentration of O2 is kept constant.
If we double the concentration of NO into this equation, the rate will increase by a
factor of four, since the concentration of NO is squared in the rate law.
And what that means is we don't have to drag anything out and we can just go ahead and [Students yawning in a classroom]
tell you that the correct answer is (D), “The rate would quadruple.”
Isn't it nice when things are simple?
Like going into space.
It's easy-peasy, right?
But uh…just to be on the safe side, maybe you should trade in that rocket and get your [Man lands in a store on a rocket and demands a refund for his car]