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Chemistry 23 Online
OpenStudy (anonymous):

5. The decomposition of calcium carbonate to calcium oxide and carbon dioxide only takes place at very high temperatures, making the direct measurement of the enthalpy change, ∆H for this reaction difficult. Both calcium carbonate and calcium oxide react readily with dilute hydrochloric acid at room temperature. a) Describe an experiment to find out the enthalpy change of these reactions, describing what you would do and stating what measurement you would make. b) Which of these two experiments is likely to give the more accurate result? Explain why? c) What further piece of data would

OpenStudy (anonymous):

Using thermal analysis(TGA,DSC or DTA) you could distinguish between both in terms of mass,temperature or enthalpy much easily.

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