Reaction Between Hydrochloric Acid And Magnesium
Reaction Between Hydrochloric Acid and Magnesium Introduction
In the reaction between hydrochloric acid and magnesium, the
hydrochloric acid will dissolve the magnesium and produce hydrogen
All chemical reactions involve reactants which when mixed may cause a
chemical reaction which will make products.
In my case the reactants are hydrochloric acid and magnesium ribbon.
The chemical reaction takes place when the magnesium ribbon is dropped
into the hydrochloric acid. The products that are formed during this
reaction are hydrogen gas and magnesium chloride. The formula equation
for this experiment is:
Mg + 2HCl (r) MgCl2 + H2
Magnesium + Hydrochloric acid (r) Magnesium Chloride + Hydrogen
(s) (Aq) (aq) (g)
Magnesium will react with hydrochloric acid, because it is higher in
the reactivity series that hydrogen. When the two chemicals react a
displacement reaction will take place and the magnesium will displace
the hydrogen in the hydrochloric acid forming magnesium chloride and
Li (lithium) all too dangerous to react with a strong acid
Mg (magnesium) -
Al (aluminium) manageable metals
Zn (zinc) these metals will react with hydrochloric acid as they
Fe (iron) they are higher in the reactivity series than hydrogen
Sn (tin) and so a displacement reaction will take place
Pb (lead) ¯
Hg (mercury) none of these metals will react with hydrochloric
Ag (silver) acid as they are all lower in the reactivity series than
Al (gold) hydrogen, therefore a displacement reaction will not happen
Depending on certain factors the rate that this reaction will take
place will either increase or decrease. The factors that may affect
the rate of reaction are as follows:
· Temperature of the Hydrochloric Acid
· Mass of the magnesium ribbon used
· Concentration of the Hydrochloric acid
· Surface area of the magnesium ribbon used
All of these factors will change the rate of reaction because of the
Collision Theory. This is a theory that is used to predict the rate of
a reaction. The Collision Theory is based on the idea that for a
chemical reaction to take place, it is necessary for the reacting
particles to collide with each other with enough energy to break or
form new bonds between the other particles, which is called a
successful collision. If when they collide and they do not have enough
energy to break or form new bonds then they will simple bounce of each
other, causing an unsuccessful collision.
Ways that I could record my experiment
There are several way which I could record my experiment. The...
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Rate of reaction between Hydrochloric Acid and Calcium Carbonate
3122 Words13 Pages
Rate of reaction between Hydrochloric Acid and Calcium Carbonate
Calcium carbonate reacts with hydrochloric acid to form carbon dioxide gas. One way of following the rate of reaction at which it reacts is to measure the volume of carbon dioxide produced at certain time intervals during the reaction.
CaCO + 2HCl CaCl + H O + CO
Calcium Carbonate + Hydrochloric Acid Calcium Chloride + Water
+ Carbon Dioxide
Calcium carbonate chips
The different factors that can affect my experiment are the temperature, the concentration of my reactants and the…show more content…
Therefore, because they are closer the particles will collide more often. The more often they collide the more chance they have of producing a productive reaction. If I had a wide range of molarities, it would be easy to see this pattern.
Before conducting our experiment where we would get our facts and evidence from, we carried out a pre-test. The pre-test helped us decide the exact details of our experiment. We started off with testing 25cm³ of 3-molar hydrochloric acid to 2g of calcium carbonate medium size chips (we decided a medium size chips before we started our pre-test as we had a choice of 3, small, medium, large). We saw that this reacted too quickly as we used 10 second intervals and we couldn't get 6 results this is because our burette could only hold
100cm³ of water, which would make our results reliable. We then decreased the amount of Calcium Carbonate to 1g and kept the same
25cm³ of 3 molar hydrochloric acid and 10 second intervals. We could get the right amount of results of this, so we then tested the other extreme - the lowest molarity. We tested both the highest and lowest molar, as the molars in between would work and give us sufficient results if these two worked. We took the 25cm³ of 0.5-molar hydrochloric acid and our 1g of calcium carbonate. This also worked.
This meant from our pre-test that we would use 25cm³ of the solution,
1g of Calcium Carbonate and have 10 seconds interval between each reading. We