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Evaluating An Enthalpy Change That Cannot Be Measured Directly.
Part 1 of Paper
.... 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 measured directly, but can be found using the enthalpy
changes from two oth.... Part 2 of Paper
....perature was recorded.
The contents of the cup were then emptied out and the cup was washed out with
water and then thoroughly dried. This was done three times for the sodium
hydrogen carbonate so that I could remove any anomalies that were obtained.
The experiment was then repeated in exactly the same manner except sodium
carbonate was used instead of sodium hydrogen carbonate.
The results were then tabulated, this table is shown below.
Results Table. Results Table for Sodium Hydrogencarbon.... |
| Number of words: 627 - Approximate pages: 3 |
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