What is the rate of a reaction if the values are
k=0.1
a=1 M
b=2 M

rate=k(a)^2(b)^2

Explanation:

Hi there,

To get started, let's first observe our rate law:

    we typically use square brackets [x] for chemistry kinetics, because they specifically tell us we are dealing with concentrations.

This rate law is in fourth-order, because the concentrations powers add up to 4. We are not told the unit of time for this prompt (unless you know it), so I just assumed the time unit to be "time."

To calculate the reaction rate, we simply plug in the concentration of A and B into the rate law. k is the rate constant and stays the same for an individual reaction.

Thus, the rate of reaction with those concentrations is 0.4 M/time.

Notice, the rate constant does in fact have units of it own. The unit for k can be calculated by knowing that:

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- lead + phosphoric acid = hydrogen + lead(ii) phosphate