A reaction goes in two steps. Step 1 is slow: P + Q → R…

ChemistryHardHigh School (11–12)Chemical Kinetics › Rate of Reaction, Rate Law and Order A-Level AP IB

A reaction goes in two steps. Step 1 is slow: $\text{P} + \text{Q} \rightarrow \text{R} + \text{S}$ . Step 2 is fast: $\text{R} + \text{P} \rightarrow \text{T}$ . Which pair gives the overall equation and the rate law?

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← A student reads about the molecularity of reactions in a chemistry book. Which of the following lines is correct?A gas mixture reacts by the elementary step 2A + B → products. The mixture is compressed to one third of its volume at the same temperature. By what factor does the rate of this step change? →

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