The greater the frequency of successful collisions between reactant particles, the greater the reaction rate.
What name is given to the minimum amount of energy needed by particles for them to react when they collide?
What is the name of the model which is used to explain how different factors affect the rate of a reaction?
Big Bang theory
What piece of apparatus could be used to measure the volume of gas produced in a reaction
Top pan balance
Which of the following is a possible unit for rate of reaction?
Which of the following would speed up a reaction?
Using lumps instead of powder
Increasing the concentration of an acid
Decreasing the temperature
Which of the following will increase the frequency of successful collisions?
Increasing the temperature
Decreasing the pressure
Decreasing the concentration
Which of the following has the smallest suface area to volume ratio?
Which of the following statements about catalysts is false?
They speed up reactions
They provide an alternative reaction pathway with a lower activation energy
They become chemically changed at the end of the reaction
Which of the following will increase the proportion of successful collisions?
Increasing the pressure
Increasing the concentration
Which of the following would give a steeper curve on a graph of volume of gas against time?
Using a catalyst