CH-1653
Surface area
Chemistry · Secondary 4 · Medium · Surface area
Marble chips (calcium carbonate) react with excess hydrochloric acid to produce carbon dioxide gas. The rate of reaction is followed by measuring the volume of gas produced over time.
Which change will increase the initial rate of reaction without changing the final volume of gas produced?
Which change will increase the initial rate of reaction without changing the final volume of gas produced?
- Using larger marble chips of the same total mass.
- Using smaller marble chips of the same total mass.
- Using half the mass of marble chips.
- Using a lower concentration of hydrochloric acid.
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