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| Content Provider | Springer Nature Link |
|---|---|
| Author | Odak, Barbara Kosor, Tihomir |
| Copyright Year | 2011 |
| Abstract | A quick method for determination of equilibrium temperature of high temperature reactions, which is inexpensive and suitable for small industrial laboratories, is reported. Reaction of high temperature dissociation of calcium carbonate is used as example for quick method application. The method is based on calorimetric measurement, Hess Law, and thermodynamic calculations. The calibrated calorimeter is used to determine enthalpy change for reactions CaCO$_{3}$(s) + HCl(l), Ca(s) + 2HCl(l), and CaO(s) + 2HCl(l). By application of Hess’s energy cycle, enthalpies of formation of calcium carbonate and calcium oxide were determined. Acquired results were used to calculate enthalpy change for carbonate dissociation reaction. Calculated enthalpy change value was used for free energy change in dependence of temperature and also for equilibrium constant in dependence of temperature calculation using equations derived from basic thermodynamic equations. Using this method, equilibrium temperature for calcium carbonate dissociation reaction is found to be equal to 1154.14 K, which confirms accuracy of the method. |
| Starting Page | 991 |
| Ending Page | 996 |
| Page Count | 6 |
| File Format | |
| ISSN | 13886150 |
| Journal | Journal of thermal analysis |
| Volume Number | 110 |
| Issue Number | 2 |
| e-ISSN | 15728943 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2011-11-15 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Calcium carbonate dissociation Equilibrium temperature Method Analytical Chemistry Inorganic Chemistry Polymer Sciences Physical Chemistry Measurement Science and Instrumentation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physical and Theoretical Chemistry Condensed Matter Physics |
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