Carbonates react with strong acids to give away carbon dioxide and water. Marbled is calcium carbonate and so behaves in the same way:
CaCO3 (s) + 2HCL (aq) п‚® CaCL2 (aq) + WATER (l) +CO2 (g)
Through this experiment, I will see if temperatures affects the response rate between marble potato chips and hydrochloric acid simply by timing the release of carbon dioxide in the response.
I predict the higher the temperature, the faster the reaction rate. The main reason for this is the kinetic theory. The more warmth that is given to matter, the faster the particles maneuver. This occurs in the acid solution, so the more quickly the allergens move, the faster the response rate because of more accidents between the marbled chips and the acid.
To aid me map out an adequate experiment and to find a suitable studying range, I will do a small preliminary test. Here is what equipment I will work with:
I will have on goggles due to the fact that I are handling acidity. I am going to have 3 psychic readings in this primary experiment to verify if the test works and takes place within a suitable time range. I used 5g marble snacks and 50ml hydrochloric chemical p. I am going to consider readings from the top of my estimated range and from the bottom. Let me also have one in the middle. This will help me to see if my personal range is suitable.
I warmed up the acid in the cone-shaped flask initially until it come to the desired temp. Next I actually placed the marble snacks in plus the delivery conduit. I then timed how long it took to collect 50cm cubed of air in the burette. Here are the outcomes of the initial.
(write or perhaps make up results)
I was very careful to make this a fair teat by keeping most variables (apart from temperature) constant. To keep the marble chip area the same, We used just large snacks. I utilized the same acidity every time to keep the acid attentiveness the same and used a simlar amount of supplies.
The primary showed that the experiment performed. The timeframe can be not too long or short...
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