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1. The standard molar enthalpy of formation could have two different values depending on how we write the equation.

2. Thus, energy or enthalpy change alone can not help us to predict whether a reaction will occur or not.

3. Approximate measurements of the enthalpy change for reactions in solution can be made using a simple calorimeter such as a polystyrene beaker.

4. The experimental technique used for the determination of enthalpy is calorimetry.

5. We saw earlier in this chapter that the enthalpy change of formation was a measure of the stability of a compound.

6. The enthalpy is constant in the throttling process.

7. Only differences in enthalpy are of practical engineering interest.

8. The standard heat capacity, entropy, sublimation enthalpy of graphite.

9. But the argon plasma arc voltage, low enthalpy is not high, cutting ability is limited, and cut the air than the thickness of the cut about 25% lower.

10. New correlations of Excess Enthalpy is developed by combining the corresponding state principle and local components concept.

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11. The general corresponding-states equation of specific enthalpy of saturated liquid wasobtained.

12. A change in enthalpy also takes place when a change of phase occurs.

13. Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.

14. An excess enthalpy equation is established based on this thermodynamic model.

15. These modified starch, low dextrinize enthalpy value, low crystallinity and extremely disarrangement of structure, have a better effect of lowering blood sugar value.

16. Its high melting enthalpy results in bigger crystal size lower super - cooling and poor spinnability.

17. New of Excess Enthalpy is developed by combining the corresponding state principle and local components concept.

18. The equivalent enthalpy drop method ( EEDM ) is equivalent to the habitual thermal balance method ( HTBM ) on the thermodynamic principle.

19. The cycle can be used to determine the lattice enthalpy of sodium chloride.

20. In general, as the difference in electronegativity between two elements forming a bond decreases, so does the bond enthalpy.

21. Values of the solubility parameter for simple liquids can be readily calculated from the enthalpy of vaporization.

22. The Gibbs free energy change therefore takes into account the enthalpy change of a reaction system and its entropy change.

23. The unusual exothermal transformation of nacre aragonite to calcite is perhaps resulted from the stored excess enthalpy in nanometer-size aragonite of nacre.

24. These record of time and the change of calorimeter temperature, adopt Reynolds temperature correction to evaluate the change of calorimeter temperature, calculate the decompound enthalpy of solid.

25. Based on the physical principles and the bilinear fit functions of the enthalpy and density of superheated steam, a lumped parameter model of a section of super-heater was developed.

26. A mathematical model for heat transfer of PCM in storage cell based on the enthalpy method was developed.

27. Based on the theory of radial distribution function, a new unified model for excess enthalpy and excess Gibbs free energy of liquid solution was proposed.

28. Because what you actually measure in the lab are changes in enthalpy, just like what you measure when you look at energy change of some sort, you measure the change in energy, right.

29. Introduces and analyses the calculating software of steam parameters and enthalpy drop of adiabatic expansion.

30. The result shows that both the protonation of the ligands and the formation of metal complexes are controlled by the change of enthalpy.