What is a catalyst?
NC Chemistry Exam Review 2019 (Leftovers)

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•
Chemistry
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A substance that increases the rate of a chemical reaction without being consumed in the process.
2.
FLASHCARD QUESTION
Front
How does a catalyst affect activation energy?
Back
A catalyst lowers the activation energy required for a reaction to occur.
3.
FLASHCARD QUESTION
Front
What is an Arrhenius base?
Back
A substance that produces hydroxide ions (OH⁻) in solution.
4.
FLASHCARD QUESTION
Front
What happens to gas pressure when volume is increased at constant temperature?
Back
The pressure decreases according to Boyle's Law.
5.
FLASHCARD QUESTION
Front
What is solubility?
Back
The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature.
6.
FLASHCARD QUESTION
Front
What is a saturated solution?
Back
A solution that contains the maximum amount of solute that can dissolve at a given temperature.
7.
FLASHCARD QUESTION
Front
What is a supersaturated solution?
Back
A solution that contains more solute than can normally dissolve at a given temperature.
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