For the reaction A + B → P, doubling [A] doubles the rate; doubling [B] quadruples the rate. The rate law is
- A
rate = k[A][B]
- B
rate = k[A][B]
- C
rate = k[A][B]
- Dcheck_circle
rate = k[A][B]
Explanation
First order in A (2× → 2×), second order in B (2× → 4×). Total order = 3.