Hydrochloric acid and Marble Chips

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... This will result in the particles colliding more frequently and increasing the speed of the reaction. Also when they have more energy there will be more chance of the collisions being successful because the activation energy will be attainable.

The addition of a catalyst will reduce the activation energy and makes more successful collisions. The reaction will be faster but the catalyst will not be used up during the reaction. When the activation rate is lower not much energy is needed to make the reaction successful.

Planning for the experiment

Variables

Independent - Concentration of the Hydrochloric acid solution

Dependent - The amount of CO produced

Control - Temperature Surface area Amount of HCl Mass of marble chips

Apparatus

The solutions with different concentrations of acid have to be prepared before the reactions can start. The solution has to have a total volume of 10cm . The following solutions shoul ...

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