Neutralising Hydrochloric Acid

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Neutralising Hydrochloric Acid

Over the past few weeks we have been learning about most chemical

reactions, acids and bases, and endothermic and exothermic reactions

are the main things do to with this investigation.

A base is used usually to neutralise acids, we are in the

investigation looking to see weather Magnesium, Magnesium Oxide, or

Magnesium Carbonate can significantly neutralise Hydrochloric acid.

Aim

We aim to in this experiment to see if one of Magnesium, Magnesium

Oxide, or Magnesium Carbonate can neutralise Hydrochloric Acid in an

exothermic reaction to a PH of seven.

Equipment

The items needed to do this investigation are:

1. A test tube rack.

2. Three test tubes.

3. Measuring cylinder.

4. Thermometers.

5. A small volume of Hydrochloric acid.

6. Magnesium.

7. Magnesium Carbonate.

8. Magnesium Oxide.

9. Universal Indicator.

10. U.I Chart

Key factors

The key factors in this experiment are:

* Volume- The volume of the Hydrochloric Acid could change the

effect of the base, this is because to neutralise the acid you may

need a small amount of acid or there may not be enough base

particles to neutralise all the acid particles. This is also an

easy factor to change.

* Temperature- The temperature can effect the amount of neutralising

goes on, however this is a factor that is not possible to change

as it may depend on how much neutralising goes on, or vice-versa.

* Amount of base- This is also an easy factor to change, and its

principles lie exactly as the key factor "Volume" does.

* Neutralising time-The time it takes to neutralise the acid is hard

to experiment with however, one way of doing it would be to start

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