Magnesium reacts with acid to give a salt and hydrogen. Will this reaction happen faster using magnesium ribbon or magnesium powder?
Question
Magnesium reacts with acid to give a salt and hydrogen. Will this reaction happen faster using magnesium ribbon or magnesium powder?
Solution
The reaction will happen faster using magnesium powder. This is because the rate of a chemical reaction is directly proportional to the surface area of the reactants. In this case, magnesium powder has a larger surface area exposed to the acid compared to magnesium ribbon. Therefore, the acid can react with more magnesium particles at the same time when it is in powder form, speeding up the reaction.
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