Can You Solve This High Yield DAT Chemistry Question?
A catalyst affects which of the following?
a) Increasing the overall enthalpy change
b) Lowering the energy of the reactants
c) Increasing the activation energy (Ea)
d) Providing an alternative reaction pathway with a lower activation energy
e) More than one of these
🧪 Scroll/swipe for the answer!
D is correct!
A catalyst works by providing an alternative reaction pathway with a lower activation energy. It doesn’t change the overall enthalpy, or the energies of reactants or products—it just makes the reaction happen faster by lowering Ea.
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