Rate law from initial rates
In experiments, doubling [A] quadruples the initial rate, and doubling [B] has no effect. What is the rate law?
Answer A: explanation for every choice
A
Correct. 2ⁿ = 4 gives n = 2 for A, and B is zero order.
B
This would make the rate double, not quadruple, with [A] and change with [B].
C
This would make the rate depend on [B].
D
The rate doesn't depend on [B].
TakeawayIf doubling a concentration multiplies the rate by 2ⁿ, the order is n.
Equation usedRate law
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