3. Analysis and Conclusions
Accuracy Of Results
Extending the Investigation
I am doing this experiment to find out how I can speed up the reaction rate between calcium carbonate and hydrochloric acid.
This is the equipment I will use:
The factors that could slow down or speed up this reaction are:
The size of the Calcium Carbonate (marble) pieces This will affect how fast the acid reacts with the marble, the smaller the pieces, the bigger the surface area so the reaction can take place faster.
The amount of Calcium Carbonate The more calcium carbonate there is, the more carbon dioxide will be produced and the larger the reaction will be.
The amount of Hydrochloric Acid The more hydrochloric acid there is, the more carbon dioxide will be produced and the larger the reaction will be.
The temperature of the materials The temperature of the materials determines how fast the reaction will take place. The hotter the materials, the faster the reaction and vice-versa.
The concentration of Hydrochloric Acid The higher the concentration (strength) of the acid, the faster it will react.
The purity of the Calcium Carbonate pieces The purity of the calcium carbonate will affect the speed of the reaction also.
From previous experiments I have learned that if large pieces are broken into smaller pieces they react faster because they have more... [continues]
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