thermochemistry
简明释义
英[θɜːməʊˈkemɪstrɪ]美[ˌθɜːrmoˈkemɪstri]
n. [物化] 热化学
英英释义
Thermochemistry is the branch of chemistry that deals with the relationships between chemical reactions and changes in energy, particularly heat. | 热化学是化学的一个分支，研究化学反应与能量变化之间的关系，特别是热量。 |
单词用法
热化学方程式 | |
热化学中的焓变 | |
热化学数据 | |
热化学分析 |
同义词
| 热量测定法 | Calorimetry is often used to measure the heat of chemical reactions. | 热量测定法常用于测量化学反应的热量。 | |
| 热力学 | Thermodynamics provides the principles underlying thermochemistry. | 热力学提供了热化学的基本原理。 |
反义词
| 吸热反应 | 吸热反应从周围环境中吸收热量。 | ||
| 非热化学 | 非热化学过程不涉及热量变化。 |
例句
1.You know, we've done a bunch of thermochemistry, and we've kind of seen that the energy of mixing, your energetics don't change too much as a function of temperature.
我们做过很多的化学热力学习题，某种程度上我们发现混合的能量，并不随着能量，发生大的改变。
2.And if you work out the energetics as we've gone with thermochemistry, dH you discover there's a huge negative delta h.
如果你计算能量变化，就像在化学热力学中所作的一样，你会发现很大的负的。
3.The rates are far more important than the thermochemistry of the chemical reactions taking place.
这速度远比发生热化学反应的热化学重要。
4.The method for computing the thermochemistry Ablation parameters of charred materials in ionized air environment is given in this paper.
本文给出了电离空气环境中碳化材料热化学烧蚀参数的计算方法。
5.Reaction kinetics is far less perfect than thermochemistry theory. Why?
化学动力学远不及化学热力学那么完美。
6.OK, so let's do some thermochemistry.
好，让我们来做一些热化学。
7.The article introduces the method of superhardening treating hard alloy drawing die core with thermochemistry copermeation method so as to improve its surface hardness.
介绍采用热化学共渗法对硬质合金拉丝模芯进行超硬化处理，以提高其表面硬度的方法。
8.That doesn't come out of what we calculated before in thermochemistry.
我们以前在化学热力学中所计算的量，无法告诉我们这些。
9.The lab experiment focused on measuring the thermochemistry 热化学 of various chemical reactions.
实验室实验专注于测量各种化学反应的thermochemistry 热化学。
10.Understanding thermochemistry 热化学 helps chemists predict the heat released or absorbed during a reaction.
理解thermochemistry 热化学有助于化学家预测反应过程中释放或吸收的热量。
11.In our chemistry class, we learned about thermochemistry 热化学 and its importance in understanding energy changes.
在我们的化学课上，我们学习了thermochemistry 热化学及其在理解能量变化中的重要性。
12.The thermochemistry 热化学 of combustion reactions is crucial for designing efficient engines.
燃烧反应的thermochemistry 热化学对于设计高效发动机至关重要。
13.Thermodynamic principles are closely related to thermochemistry 热化学, especially in predicting reaction spontaneity.
热力学原理与thermochemistry 热化学密切相关，特别是在预测反应自发性方面。
作文
Thermochemistry is a branch of chemistry that deals with the heat involved in chemical reactions and physical changes. This fascinating field combines the principles of thermodynamics with chemical processes, allowing scientists to understand how energy is transferred during reactions. For instance, when a substance undergoes a chemical reaction, it either absorbs or releases heat, which can be quantified and studied through the lens of thermochemistry (热化学). Understanding these heat exchanges is crucial for various applications, including industrial processes, environmental science, and even biological systems.One of the primary concepts in thermochemistry (热化学) is the concept of enthalpy, which is a measure of the total energy of a system. Enthalpy changes can indicate whether a reaction is exothermic (releasing heat) or endothermic (absorbing heat). For example, when wood burns, it releases heat and light, making it an exothermic reaction. In contrast, the process of photosynthesis in plants absorbs energy from sunlight, categorizing it as an endothermic reaction. By studying these changes, chemists can predict the feasibility of reactions and optimize conditions for desired outcomes.Another essential aspect of thermochemistry (热化学) is calorimetry, the technique used to measure the heat of chemical reactions. Calorimeters are instruments designed to capture and measure the heat exchange that occurs during a reaction. This data is invaluable for determining the specific heat capacities of substances, which is critical for understanding how different materials respond to heat. For example, knowing the heat capacity of water helps in various fields, from cooking to climate science, where water's ability to store heat plays a significant role in regulating temperatures.Thermochemical equations are another vital component of this field. These equations not only depict the reactants and products of a chemical reaction but also include the associated enthalpy changes. By writing balanced thermochemical equations, chemists can easily calculate the energy changes involved in reactions, making it easier to design experiments and predict outcomes. This practice is particularly useful in industries such as pharmaceuticals, where precise energy management can lead to more efficient drug production.In addition to its practical applications, thermochemistry (热化学) also has implications for our understanding of the universe. The study of energy transfer in reactions contributes to our knowledge of natural processes, such as the formation of stars and the behavior of matter under extreme conditions. This connection between chemistry and the cosmos highlights the importance of thermochemistry (热化学) in bridging different scientific disciplines.In conclusion, thermochemistry (热化学) is a vital area of study that enhances our understanding of chemical reactions and energy transformations. From industrial applications to environmental science and beyond, the principles of thermochemistry (热化学) play a crucial role in numerous fields. As we continue to explore the intricacies of energy transfer, the insights gained from thermochemistry (热化学) will undoubtedly lead to advancements in technology and a deeper comprehension of the natural world.
