Rate: temperature (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
According to collision theory, what must particles do to react?
According to collision theory, what must particles do to react?
Collide with each other
What two things must happen for a successful reaction?
What two things must happen for a successful reaction?
Particles collide with enough energy in the right way
What happens to particles when reactants are heated?
What happens to particles when reactants are heated?
They gain energy and move faster
What happens to collisions per second at higher temperatures?
What happens to collisions per second at higher temperatures?
More collisions happen per second
What is activation energy?
What is activation energy?
Minimum energy needed to start a reaction
Why does higher temperature increase reaction rate?
Why does higher temperature increase reaction rate?
More particles have enough energy to overcome activation energy
What happens to successful collisions at higher temperatures?
What happens to successful collisions at higher temperatures?
Higher proportion are successful
What gas is produced when zinc reacts with hydrochloric acid?
What gas is produced when zinc reacts with hydrochloric acid?
Hydrogen
Which equipment measures hydrogen gas in the zinc and acid experiment?
Which equipment measures hydrogen gas in the zinc and acid experiment?
Gas syringe
Why must you wear safety goggles when using hydrochloric acid?
Why must you wear safety goggles when using hydrochloric acid?
Acid is corrosive
What happens to reaction rate when acid is heated in the marble chips experiment?
What happens to reaction rate when acid is heated in the marble chips experiment?
Temperature and rate increase