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Define reaction rate and give the formula.
- The speed of a chemical reaction. Also, the change in concentration of reactant or product over some time interval. Units are usually M/s.
- rate = Δ[A]/Δt
Define average rate and give the formula.
- Change in concentration over some finite interval of time.
- rate = [A]2 - [A]1 / t2 - t1
Define instantaneous rate.
The rate of change of concentration at a specific instant of time. Think: tangent line to the reaction rate curve.
What is the relative rate for the following formula?
aA + bB --> cC + dD
rate = - 1/a (Δ[A]/Δt) = -1/b (Δ[B]/Δt) = 1/c (Δ[C]/Δt) = 1/d (Δ[D]/Δt)
What is the formula to determine the order of the reaction?
- solve for n:
- ([A]2/[A]1)n = rate2/rate1
What is the rate law?
rate = k [A]n[B]m
What would you like to do?
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