Essential Chemistry for IGCSE - Rate Of Reaction (Section 3 - No. 1)
A student is investigating the rate of reaction between magnesium and hydrochloric acid. Which of the following would be a valid method for measuring the rate of reaction?
Measuring the decrease in mass of the reaction mixture over time.
Measuring the increase in volume of hydrogen gas produced over time.
Measuring the increase in the temperature of the reaction mixture over time.
All of the above.
Explanation
All the options describe methods of measuring a change that occurs during the reaction: mass loss, gas evolution, and heat evolution.
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