Does Temperature Affect The Rate Of Reaction

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Does Temperature Affect The Rate Of Reaction?

Aim

To find out if the temperature of hydrochloric acid affects the rate of reaction with magnesium.

Prediction

I predict that as the temperature of the hydrochloric acid increases so will the rate of reaction therefore the time taken for the reaction between the hydrochloric acid and the magnesium to be completed will decrease.

Theory

As there is more heat energy added to the H+ ions will collide with each other more frequently thus causing an increased rate of reaction between the acid and magnesium.

Hydrochloric acid + Magnesium                           Hydrogen + Magnesium Chloride

2HCL + Mg                                                            H2 +MgCL2     

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Apparatus

  • Magnesium
  • Hydrochloric acid
  • Thermometer
  • Bunsen burner
  • Test tubes
  • Test tube holder
  • Measuring cylinder
  • Beaker
  • Safety goggles

Safety

Follow all the rules on safety while performing an experiment in the laboratory for example:

  • Wear safety goggles at all times
  • Put all stools away
  • Never sit down during an experiment

Method

  1. Measure out 3cm3 of hydrochloric acid.
  2. Cut a piece of magnesium to 1cm in length.
  3. Measure the temperature of the hydrochloric acid at the start.
  4. Pour hydrochloric acid into test tube and add magnesium.
  5. Record time taken ...

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