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Evaluating An Enthalpy Change That Cannot Be Measured Directly.
Part one of term paper
Dr. Watson.
Introduction.
We were told that sodium hydrogencarbonate decomposes on heating to give sodium
carbonate, water and carbon dioxide as shown in the equation below:-
2NaHCO3(s)--------> Na2CO3 (s) + H2O (l) + CO2 (g) = DeltaH1
This was given as deltaH1 and we had to calculate as part of the experiment.
This however cannot be ...
Part two of term paper
... 500ml Beaker. 1 x Thermometer(-10 to 50oC). 1 x Polystyrene Cup. 1 x
Weighing Balance. 1 x Weighing Bottle. 10 grams of Sodium Hydrogencarbonate. 10
grams of Sodium Carbonate. A bottle of 2 molar HCL.
Diagram.
Method.
Three grams of sodium hydrogen carbonate was weighted out accurately using a
weighting bottle and a balance. Then thirty centimetres cubed of 2 molar HCL was
measured using a measuring cylinder. The acid was then placed into the
polystyrene cup and its temperature was taken and rec ...
Word count: 627 | Approximate pages: 3
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