Checking if the ranges overlap is commonly regarded as the best method to see if there is a real difference in the results. We made sure that our experiment was a fair test, and we repeated the experiment five times too add reliability.
I also needed safety goggles at all times to protect my eyes from the corrosive hydrochloric acid. For stance, magnesium metal reacts with hydrochloric to form magnesium chloride salt while displacing hydrogen from the acid as hydrogen gas.
Alkaline earth metal salts in general, are less soluble in water than the corresponding alkali metal salts. Some are even so insoluble that they resist weathering and leaching action in rainwater. This is all true because they all link to the collision theory of particles colliding with enough energy to make a reaction.
The second one is to show how increasing the mass of the magnesium strip can increase the rate of reaction slightly because of the increased surface area but it is only slightly increased on the sides and so this is proportional to the rate of reaction of the original diagram.
The concentration of 2HCL you use is the independent variable because it will vary, and the time taken for the rate of reaction to take place i. The concentration of hydrochloric acid used and the surface area of the Magnesium metal used.
The final reaction has the same amount of particles of acid and the magnesium, but the magnesium has been cut to increase the surface area. This special element also has many important roles in the body. There are many variables that I can change, which are the temperature and concentration of the hydrochloric acid, and the mass and the surface area of the magnesium strip.
This means that more energy is lost than is gained. Molten magnesium is poured into a cast then solidifies into its mold.
To measure, the effect of each of above factors, one has to hold some factors constant during rate reaction experimentation.
All the experiments have to be repeated at least two times to make an accurate set of results. Aims and objectives of the experiment The aim of this experiment is to verify the effects of surface area of solid reactants and concentration of aqueous reactants on the rates of acid-base chemical reactions.
If you add more heat energy i. The first one is to see what will happen if I change the temperature of the solution. As the temperature increases the speed and the power at which the acid particles hit each other increases, making the number of successful collisions with the magnesium strip increase.
I tried this but the reaction happened very quickly and the results of the volume of hydrogen were very spread out. This allows alloys of these metals to be used as low-density structural materials.
I believe that my conclusion is somewhat limited due to the amount of results. This diagram shows five solutions hydrochloric acid and magnesium ribbon that are reacting.
Therefore, this study intends to investigate the effect of concentration and surface area of reactants on the rate of chemical reactions.
Most of the equipment is glass so I had to be careful not to damage it, as shards of glass can cut though skin. Before I attached the rubber tubing on I made sure there is no air in the syringe, by pushing the inside bit right down until the line where I read from is at 0cm3.
The other reactant that I could change is the type of metal I use. Therefore, this study intends to investigate the effect of concentration and surface area of reactants on the rate of chemical reactions. For the Magnesium ribbon, the lengths of the Magnesium ribbon used will be constant, while quantities of powdered Magnesium metal in grams will be equivalent to the weight of the length of magnesium ribbon used.
Method For each separate experiment I needed: The conclusion I have reached is what I predicted before the experiments had taken place. The green color of vegetables and plants is due to chlorophyll, which is a molecule of magnesium.
I predicted that all the results will end up the same but the ones that actually finished did not end up at the same point, but they were slightly higher or lower than each other. The lowest concentration 0. Results Time seconds How much Hydrogen produced for each concentration cm3 0.
Also, a key difference is that carbon dioxide dissolves in water, meaning that not all of the carbon dioxide was measured, as some would have been lost in the water. High concentrations imply that more reacting molecules are at high proximity to each other therefore intermolecular collisions are frequent therefore forming products frequently.
magnesium (Mg) is known as a chemical element with the atomic number of Hydrochloric acid (HCL) is a strong, colorless mineral acid used with many purposes.
Magnesium (Mg) is known as a chemical element with the atomic number of The silvery white solid is an abundant element found in the. Essay on Rate of Reaction Between Marble Chips and Hydrochloric Acid - Rate of Reaction Between Marble Chips and Hydrochloric Acid To investigate the factors which affect the rate of reaction between marble chips and hydrochloric acid, with one in specific detail.
Essay Magnesium is the twelfth element on the periodic table. It is located in the second group called the alkaline earth metals. Natural magnesium contains three different isotopes, and there are twelve others that are recognized. Introduction. In acid-base chemical reactions, there are four main variables, which influence the rate of reaction.
These include the presence or absence of catalyst, temperature, concentration, and surface area of reactants. Rate of Reaction of Magnesium and Hydrochloric Acid If magnesium ribbon is replaced with an equivalent weight of powered magnesium, does the rate of reaction between magnesium and hydrochloric acid double?
Aims and objectives of the experiment. Which essay subject were. Investigating the effect of changing concentrations of H2SO4 (Sulphuric Acid) on reaction rates.
Background Information: The formula for experimenting the change of reaction rates when concentration is varied is: Mg (s) + H2SO4 MgSO4 (aq) + H2 (g) When this.Acid and magnesium essay