AP Chemistry· difficulty 3/5
For overall reaction 2A + B → C, the rate law is
Always rate = k[A]²[B]
Always second order
Always rate = k[A][B]
Determined experimentally; not from coefficients
Explanation
Overall rate laws come from experiment; only elementary steps follow stoichiometry.
Want 10 more like this — adaptive to your weak spots?
What is the rate law?…
chevron_rightDoubling [A] doubles the rate; doubling [B] quadruples the rate. The rate law is…
chevron_rightRepeating the experiment with twice the [NaOH] gives kobs = 0.0182 s^-1. What is the order with respect to OH-?…
chevron_right