CH-1671
Surface area
Chemistry · Secondary 4 · Medium · Surface area
A piece of calcium carbonate reacts with excess hydrochloric acid to produce carbon dioxide gas. Which change will increase the rate of reaction without changing the total volume of gas produced?
- Using powdered calcium carbonate instead of a lump
- Using twice the volume of acid
- Raising the temperature to boil the acid away quickly
- Using half the mass of calcium carbonate
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