Question 1
According to collision theory, why does increasing temperature increase the rate of most chemical reactions?
Correct Answer:
More molecules have kinetic energy greater than or equal to the activation energy
Question 2
On a Maxwell-Boltzmann energy distribution curve, what does the area under the curve to the right of the activation energy represent?
Correct Answer:
The number of molecules with energy greater than or equal to Ea
Question 3
How does a catalyst increase the rate of a chemical reaction?
Correct Answer:
It provides an alternative reaction pathway with a lower activation energy
Question 4
Which statement best describes a heterogeneous catalyst?
Correct Answer:
It is in a different physical state from the reactants
Question 5
Enzymes are described as biological catalysts. Which feature explains why most enzymes are very specific?
Correct Answer:
Their active site has a complementary shape to one substrate
Question 1
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Prepare with the Higher Chemistry Practice Questions - Higher Chemistry (C813 76) Exam practice quiz. This question bank includes 100 questions covering molecules, point, energy, catalyst, and reaction. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Higher Chemistry Practice Questions - Higher Chemistry (C813 76) Exam

This practice set contains 100 questions from the matching question bank and focuses on molecules, point, energy, catalyst, and reaction. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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