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Chemistry Rate of Reaction


            
            
             What factors affect the rate of reaction between magnesium and hydrochloric acid?.
             Word Equation:.
             Mg(s) + HCl (aq) MgCl2 + H2 (g).
             Magnesium + Hydrochloric acid Magnesium chloride + hydrogen.
             Apparatus List:.
             HCl at five concentrations:.
             0.5m.
             0.75m.
             1.0m.
             1.5m.
             2.0m.
             Two strips of magnesium.
             Beaker/chemical flask.
             Safety goggles.
             Thermometer.
             50cm3 measuring cylinder.
             Fair Test:.
             To make this experiment a fair test I will have to make sure the mass of the magnesium are the same, also make sure the surface area of the magnesium are the same. I have to make sure there is the same volume of hydrochloric acid in each beaker, and I have to make sure that the temperature is the same all the way threw the experiment. I also have to make sure the concentration of the acid is the concentration I say it is, because the concentration changes.
             Number And Range Of Readings:.
             There are five concentrations in this experiment- 0.5m, 0.75m, 1.0m, 1.5m, and 2.0m. I am using five different concentrations because then there is a range from weak to strong, I am not going any higher in the concentration of the acid because of safety reasons. These five concentrations allow me to test the double concentrations of the amounts.
             5.
             75.
             1.
             1.5.
             2.
             Prediction:.
             My prediction is that the higher concentration on the acid, the faster the rate, because the higher the concentration means the more collisions, more collisions means faster reactions. All substances are made up of particles, before we can get a chemical reaction; the particles need to crash together. The collision theory is that "all particles must collide to make a reaction, and they must collide with enough energy."" To change the rate of reaction you need to make more collisions so you need more energy. Particles in a liquid mingle and inter-twined, because the forces of attraction are still quite strong, but particles are free to move slowly along.


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