

SCS 1.5 Rates of Reaction WJEC
Flashcard
•
Chemistry
•
9th Grade
•
Hard
Zara Khan
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
What is the rate of reaction?
Back
The speed at which a reaction takes place.
2.
FLASHCARD QUESTION
Front
Which of the following is NOT a main method to measure the rate of reaction? Measuring the change in mass, Measuring the volume of gas formed, Measuring the formation of a precipitate, Measuring the color of the reactants
Back
Measuring the color of the reactants
3.
FLASHCARD QUESTION
Front
According to collision theory, what must happen for a reaction to occur?
Back
Reacting particles must successfully collide.
4.
FLASHCARD QUESTION
Front
What is the minimum energy that reacting particles must have for a reaction to take place called?
Back
Activation energy
5.
FLASHCARD QUESTION
Front
How does increasing the temperature affect the rate of reaction?
Back
It increases the chance of successful collisions.
6.
FLASHCARD QUESTION
Front
What effect does increasing the concentration have on the rate of reaction?
Back
It increases the number of reacting particles.
7.
FLASHCARD QUESTION
Front
How does increasing the surface area affect the rate of reaction?
Back
It provides more space for particles to collide, increasing the rate.
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