| 单词 | thermochemistry |
| 例句 | However, we know from our earlier description of thermochemistry that bond energies are often discussed on a per-mole basis. Chemistry 2019-02-14T00:00:00Z This chapter will introduce the basic ideas of an important area of science concerned with the amount of heat absorbed or released during chemical and physical changes—an area called thermochemistry. Chemistry 2019-02-14T00:00:00Z As described in the chapter on thermochemistry, the reverse of an endothermic process is exothermic. Chemistry 2019-02-14T00:00:00Z Previous chapters in this text have described various applications of thermochemistry, an important aspect of thermodynamics concerned with the heat flow accompanying chemical reactions and phase transitions. Chemistry 2019-02-14T00:00:00Z As we concentrate on thermochemistry in this chapter, we need to consider some widely used concepts of thermodynamics. Chemistry 2019-02-14T00:00:00Z Recalling the definition of pressure-volume work from the chapter on thermochemistry, note that no work has been done because the pressure in a vacuum is zero. Chemistry 2019-02-14T00:00:00Z |
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