Rate and Extent of Reaction (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does reaction rate measure?
What does reaction rate measure?
How fast reactants are used or formed
According to collision theory, what THREE requirements must be met for a successful collision?
According to collision theory, what THREE requirements must be met for a successful collision?
Collide, sufficient energy, correct orient.
Why does powdered marble react faster with acid than large marble chips?
Why does powdered marble react faster with acid than large marble chips?
Greater surface area for collisions
How does increasing concentration affect the reaction rate?
How does increasing concentration affect the reaction rate?
More particles/volume increases collisions
Why does increasing temperature increase the reaction rate?
Why does increasing temperature increase the reaction rate?
Particles move faster with higher energy
What is a key property of a catalyst?
What is a key property of a catalyst?
Not consumed in the reaction
How does increasing pressure affect the rate of reaction for gaseous reactants?
How does increasing pressure affect the rate of reaction for gaseous reactants?
Compresses gases, increasing collisions
Why is correct orientation important in collision theory?
Why is correct orientation important in collision theory?
Allows proper bond formation to occur
Which would increase the rate of reaction?
Which would increase the rate of reaction?
Grind Zn to powder or increase [HCl]
If mol of reactant is used in s, what is the reaction rate in ?
If mol of reactant is used in s, what is the reaction rate in ?