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Catalyst

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AP Chemistry

Definition

A catalyst is a substance that speeds up a chemical reaction but isn't consumed in the process.

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Practice Questions (6)

Consider the equation Fe³⁺ (aq) + SCN⁻ (aq) ⇌ FeSCN²⁺ (aq). What happens when a catalyst is introduced to the solution?
How does a catalyst increase the rate of a reaction?
A reactions follows as shown below: (Step 1: HCOOH + H2SO4 → HCOOH2^+ + HSO4^-) (Step 2: HCOOH2^+ → HCO^+ + H2O) (Step 3: HCO^+ + HSO4^- → CO + H2SO4). Which is the catalyst in the overall reaction with the correct justification?
A catalyst can do which of the following with activation energy?
In general terms, a catalyst is __________________________________________________.
When a catalyst is added, it exprected for which of the following to happen?

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