CH-1670
Surface area
Chemistry · Secondary 4 · Medium · Surface area
A student measures the rate of reaction between excess marble chips (calcium carbonate) and dilute hydrochloric acid by collecting the carbon dioxide produced.
Which change will increase the rate of reaction the most?
Which change will increase the rate of reaction the most?
- Using larger marble chips of the same mass
- Cooling the acid from 25 °C to 15 °C
- Using powdered marble instead of chips
- Diluting the acid with an equal volume of water
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.