Rates Of Reaction - Marble Chips & Hcl - Design

Rates of Reaction - Marble Chips and HCl

In this experiment, marble chips, or Calcium Carbonate (CaCO3), will be dropped into a flask containing Hydrochloric Acid (HCl).
The reaction is: CaCO3(s) + 2HCl(l) --> CaCl2 + H2O(l) + CO2(g)

The experiment will determine whether or not stirring quickens the reaction rate, which will be illustrated by the slope of the lines in the data graph.
If heat and stirring is added to a reaction, then the gas will be released quicker. This is so because when cardinal compounds interact, or jar, a reaction occurs. If the compounds are made to collide faster, by way of stirring, then theoretically the reaction as a whole will start faster and sleep together to completion faster.

Aparatus

Stand with clamp
Stopwatch
Gas collection provide (rubber tube)
natural rubber stopper
Marble chips (CaCo3)
Hydrochloric Acid (HCl)
Test tube
Measuring cylinder (100ml)

Method
1. run into up a bucket with water
2.



Set up the suffer with the clamp next to the bucket so that the clamp is promptly above water
3.Put the open demise of the measuring cylinder upside down, filled with water, in the water
4.Put one end of the tube into the measuring cylinder
5.Put 20cm3 of hydrochloric acid into the boiling tube
6. cater the marble chips into the hydrochloric acid and put the other end of the tube with the rubber stopper, onto the boiling tube allowing all gas done the tube
7.Stir the solution by making a bout motion with the tube
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