Investigation into the Reaction Between Marble Chips and Hydrochloric Acid
Planning
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Introduction
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In the reaction between marble and hydrochloric acid, calcium
carbonate particles from the marble react with the hydrogen chloride
particles in the hydrochloric acid producing calcium chloride, water
and carbon dioxide. The formula for this reaction is:
CaCO3 (s) + 2HCl (aq) ® CaCl2 (s) +H2O (l) + CO2 (g)
Choosing the variable
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To investigate this reaction, first a variable must be chosen for the
investigation. In order for the calcium carbonate and hydrochloric
acid particles to react together they must collide with each other and
the collision must have enough energy. So, to select a variable for
the investigation, a variable must be chosen that either affects the
number of collisions between the calcium carbonate and hydrochloric
acid particles or affects the energy of the collision. Some variables
that could affect the rate of the reaction are:
· The concentration of hydrochloric acid used in the reaction.
The higher the concentration of acid, the more particles of acid there
are in the solution. Therefore it is more likely for a successful
collision between an acid particle and a calcium carbonate particle to
occur.
· The temperature of the environment that the experiment takes place
in.
When reacting substances are heated, the particles have more energy.
This means that they move faster which in turn means that they collide
more often and with more energy.
· The surface area of calcium carbonate used in the experiment.
Hydrochloric acid particles can collide only with calcium carbonate
particles on the surface of the marble chip. Therefore, if the marble
chip is crushed into a powder, there will be a larger surface area and
therefore more collisions.
I have chosen the concentration of hydrochloric acid as the variable
that I will use for the investigation. The other factors will have to
be kept constant in order for the experiment to be a fair test.
For this theoretical result, the motion or speed of the marble will have different calculations. Also, the potential energy and kinetic energy of the marble will produce a mirror effect between each other respectively. From the result of the experiment, as the height of the marble increases the speed of the marble decreases at a slow rate.
to the marble chips. I will have 30 ml of mixture and split it in to
Investigating How the Concentration of Hydrochloric Acid Affects the Rate of Reaction with Calcium Carbonate
Experiment is to investigate the rate of reaction between hydrochloric acid and calcium carbonate Hydrochloric acid + Calcium Carbonate Þ Calcium Chloride + Water + Carbon Dioxide 2HCl (aq) CaCo3 (s) CaCl2(s) H2O (aq) CO2 (g) There are a number of variables in this experiment and these are listed below as input variables and outcome variables.
Also the investigation will be performed in a sensible manner and there is no dangerous behaviour. Prediction When the experiment is taking place I believe that the magnesium in the hydrochloric acid will begin to bubble and then disappear, I also
Calcium chloride is produced by reacting acid with limestone or as a by-product of the Solvay chemical process.
The aim is to find out if changing the concentration of the hydrochloric acid solution has an effect on the time taken for the reaction. The reaction that will take place is: Hydrochloric acid + Calcium Carbonate + Calcium Chloride + Water + Carbon dioxide 2HCl (aq) + CaCo3 (s) CaCL2 (aq) + H2O + CO2 (g). Collision theory - Collisions between reactant particles are needed. for the reaction to take place in order to form a product.
The Effect of Temperature of Hydrochloric Acid on the Rate of Reaction Between Hydrochloric Acid and Magnesium
The product of CaCO3 is formed, “…from the reaction of carbon dioxide with burnt (I) or slaked lime (II)” (Kroker, Rohleder, Tegethoff). Historians and scientists have concluded that the natural element, calcium, was molded into different compounds due to the underwater pressure that collided with the volcanic rocks. In contrast, with high concentrations of carbon dioxide and low pressure, these calcium compounds can also be dissolved. The change in water pressure was due to drastic globate climate changes, and deformations of the seabed. This phenomenon can be hypothesized as the time when the Earth’s plates began shifting and colliding. As time progresses, vast limestone deposits on lakes and oceans (Kroker, Rohleder, Tegethoff). Calcium is not only known the main component for our teeth and bones, but aquatic life also depends on it (i.e. mussels and mollusks). Marble and chalk are also forms of calcium that undergo particular
Hydrochloric acid + calcium carbonate arrow calcium chloride + carbon dioxide + water. HCl(aq) + CaCO3(s) arrow CaCl2(aq) + CO2(g) + H2O(l) Things that affect the reaction rate of this experiment are: 1. The temperature of the hydrochloric acid. 2.
The Effect of Concentration of Hydrochloric Acid on the Rate of Reaction with Magnesium Aim: To investigate the effect of concentration of hydrochloric acid on the rate of reaction with magnesium Prediction: As the concentration of the hydrochloric acid increases, so will the rate of reaction Hypothesis: In a reaction, particles of two different reactants react together to form a product. The reaction only takes place on account of two things, if the particles collide, and if the collision has enough 'activation energy'. The two reactant particles, in this case magnesium particles and hydrochloric acid particles, must collide with each other on the correct 'collision course'. If this does not occur then no chemical reaction will take place. The reaction must also have enough energy, this can be affected by temperature, the more heat the particles have the faster they move and so the more energy therefore more chance of successful collisions.
Controlled variables: Using the same quantity of magnesium and the same concentration of hydrochloric acid. Aim and Purpose The aim and purpose of this experiment is to investigate if the temperature of HCL will affect the rate of reaction between HCL and magnesium. Research Question How does the temperature of hydrochloric acid affect the rate of reaction it has with magnesium? Hypothesis As the temperature of the hydrochloric acid increases, so will the rate of the reaction.
The Effect of Temperature on the Rate of Reaction Between Hydrochloric Acid and Calcium Carbonate
The Romans used Calacatta and Carrara marble for both construction and sculptures. The marble would cut into slabs rather than using blocks and used over a brick and mortar in their home. The Romans considered these both type of marble to be the supreme because of their pure white color.
An investigation into how changing one variable influences the rate of reaction between marble chips and dilute Hydrochloric acid