Investigate the affects of concentration on rates of reaction.

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Louise Hewitt

Investigate the Affects of Concentration on

Rates of Reaction

Plan:

I am going to investigate the affects of concentration on rates of reaction. I will do this by investigating the affect that different concentrations of hydrochloric acid have on a certain amount of marble chips. I want to see how long it takes for a set amount of carbon dioxide to be given off once the acid starts reacting with the marble chips.

For a chemical reaction to take place the reacting particles must:

  1. Collide with sufficient energy or force for a reaction to take place.
  2. Collide head on so the reaction can take place.

For this experiment I will be using the following apparatus:

1 boiling tube

1 bung seal

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1 delivery tube

1 clamp and clamp stand

1 balance

1 measuring cylinder

1 stopwatch

The boiling tube will have an arm on it so that the delivery tube can carry carbon dioxide to the gas syringe. The clamp and clamp stand will help keep the gas syringe steady while it collects the gas. I will measure a set amount of marble chips on the balance and time the experiment with the stopwatch.

   

Louise Hewitt

Equation:

Calcium ...

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