Enthalpy Change Of Cumbustion Of Calcium Carbonates
Plan
Equipment
 2.54g of Caco3
 2.53g of Cao
 2.0 mol dm-3 hydrochloric acid
 Scale
 50cm3 measuring cylinder
 Thermometer
 Polystyrene cup
 Weighing bottle
Method
I. I will weigh a weighing bottle containing 2.53g of calcium carbonate
II. Using a measuring cylinder of 50cm3 I will measure 50cm3 of 2mol dm-3 of hydrochloric acid then pour it into a polystyrene cup
III. I will measure the initial temperature of the acid using a measuring cylinder, and then I will add the calcium carbonate to the acid. I will carefully stir the mixture in the cup with the thermometer and then take the final temperature reading when the reaction is complete.
IV. The weigh the weighing bottle again.
V. Repeat this instruction using Calcium Oxide. Record data on appropriate table
Risk assessment
Hazard Nature of Hazard Precaution
Calcium oxide corrosive Be careful when adding CaO into HCl acid, avoid skin contact.......
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Approximate Word Count: 493
Approximate Pages: 2 (250 words per double-spaced page)
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Enthalpy Change Of Cumbustion Of Calcium Carbonates
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