thermochemistry

American  

[thur-moh-kem-uh-stree] / ˌθɜr moʊˈkɛm ə stri /

noun

1. the branch of chemistry dealing with the relationship between chemical action and heat.

---

thermochemistry British  

/ ˌθɜːməʊˈkɛmɪstrɪ /

noun

1. the branch of chemistry concerned with the study and measurement of the heat evolved or absorbed during chemical reactions

---

thermochemistry Scientific  

/ thûr′mō-kĕm′ĭ-strē /

1. The branch of chemistry that is concerned with the heat generated by chemical reactions and by changes of state.

---

Other Word Forms

• thermochemical adjective
• thermochemically adverb
• thermochemist noun

Etymology

Origin of thermochemistry

First recorded in 1835–45; thermo- + chemistry

Example Sentences

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.

From Textbooks • Feb. 14, 2019

However, we know from our earlier description of thermochemistry that bond energies are often discussed on a per-mole basis.

From Textbooks • Feb. 14, 2019

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.

From Textbooks • Feb. 14, 2019

As we concentrate on thermochemistry in this chapter, we need to consider some widely used concepts of thermodynamics.

From Textbooks • Feb. 14, 2019

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.

From Textbooks • Feb. 14, 2019