What factors affect the rate of a chemical reaction?
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How can you measure the rate of a reaction?
By determining the rate at which a product, such as a gas, is formed.
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What does this practical investigate?
How the concentration of hydrochloric acid affects the rate of reaction with magnesium.
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What is measured to determine the rate of reaction?
The volume of hydrogen gas produced over time.
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Why does increased concentration increase rate of reaction?
More particle collisions per unit time at higher concentrations.
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What does a catalyst do?
Increases the rate of a chemical reaction but is not used up.
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