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Reaction Rate Investigation Planning I am trying to work out the rate of reaction between marble chips (calcium carbonate) and Hydrochloric acid. This will be my plan of how to carry out my investigation. There are many factors, which I could change in this experiment. These are 1) Concentration. An increase in concentration means there are more particles. More particles means there will be more collisions. 2) Surface Area. Breaking the solid into smaller pieces will increase the surface area exposed to the other reactant. 3) Temperature. Increasing the temperature will cause the particles to move faster. When particles move faster, more collisions occur and the collisions are more violent. This should increase the reaction rate. All of these factors will affect the reaction rate, but I have decided to change the concentration of Hydrochloric acid. This will determine the rate of reaction by measuring the amount of Carbon Dioxide given off. As I will only change...

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