exothermic reaction

简明释义

放热反应

英英释义

例句

1.The formation of ice from water releases energy, making it an exothermic reaction.

水结冰的过程释放能量，使其成为一个放热反应。

2.During the combustion of wood, an exothermic reaction occurs, releasing heat and light.

在木材燃烧过程中，发生了一个放热反应，释放出热量和光。

3.When acids react with bases, they often produce an exothermic reaction that generates heat.

当酸与碱反应时，它们通常会产生一个放热反应，释放热量。

4.In many industrial processes, exothermic reactions are harnessed to produce energy efficiently.

在许多工业过程中，放热反应被利用来高效地生产能量。

5.The chemical reaction between sodium and water is a classic example of an exothermic reaction.

钠与水之间的化学反应是一个经典的放热反应例子。

作文

An exothermic reaction is a type of chemical reaction that releases energy in the form of heat or light. This process is fundamental to many natural phenomena and industrial applications. When we think about exothermic reactions, we often associate them with combustion, respiration, and even the baking of bread. In essence, these reactions occur when the total energy of the products is less than the total energy of the reactants, resulting in the release of energy into the surroundings.One of the most common examples of an exothermic reaction is the burning of fossil fuels. When hydrocarbons react with oxygen, they produce carbon dioxide and water while releasing a significant amount of heat. This principle is utilized in power generation, where the heat produced from burning coal, oil, or natural gas is converted into electricity. The efficiency of such processes is crucial for meeting the energy demands of modern society.Another example is cellular respiration, which is vital for all living organisms. During this process, glucose reacts with oxygen to produce carbon dioxide, water, and energy. The energy released from this exothermic reaction is stored in the form of ATP (adenosine triphosphate), which cells use for various functions, including growth, repair, and maintenance.In the field of chemistry, understanding exothermic reactions helps scientists predict the behavior of substances during chemical changes. For instance, when mixing certain chemicals, one might observe a temperature increase, indicating that an exothermic reaction has occurred. This principle is applied in various industries, such as the production of fertilizers, where exothermic processes are harnessed to create heat and drive reactions that synthesize essential compounds.Moreover, exothermic reactions play a crucial role in safety protocols. In chemical manufacturing, it is essential to control the heat generated by these reactions to prevent accidents. For instance, if an exothermic reaction occurs too rapidly, it can lead to explosions or fires. Therefore, engineers and chemists must design systems that can safely manage the heat output of these reactions.In conclusion, exothermic reactions are not only fascinating from a scientific perspective but also have significant implications for our daily lives. They are integral to energy production, biological processes, and industrial applications. By studying these reactions, we gain valuable insights into the workings of the natural world and how we can harness these processes for technological advancements. Understanding exothermic reactions equips us with the knowledge to innovate and improve safety measures in various fields, ensuring that we can utilize energy efficiently and responsibly.

放热反应是一种化学反应，释放出以热或光的形式的能量。这个过程对许多自然现象和工业应用至关重要。当我们想到放热反应时，我们通常会将其与燃烧、呼吸甚至面包烘焙联系在一起。本质上，当产物的总能量低于反应物的总能量时，就会发生这些反应，从而将能量释放到周围环境中。放热反应最常见的例子之一是化石燃料的燃烧。当碳氢化合物与氧气反应时，它们产生二氧化碳和水，同时释放出大量热量。这一原理被用于发电，在这一过程中，燃烧煤、石油或天然气产生的热量被转化为电力。这些过程的效率对于满足现代社会的能源需求至关重要。另一个例子是细胞呼吸，这对所有生物体都是至关重要的。在这个过程中，葡萄糖与氧气反应，产生二氧化碳、水和能量。从这种放热反应中释放出的能量以ATP（腺苷三磷酸）的形式储存，细胞利用它进行各种功能，包括生长、修复和维持。在化学领域，理解放热反应有助于科学家预测物质在化学变化过程中的行为。例如，当混合某些化学物质时，可能会观察到温度升高，表明发生了放热反应。这一原理被应用于各个行业，例如肥料的生产，其中放热过程被利用来产生热量并推动合成必要化合物的反应。此外，放热反应在安全协议中也发挥着关键作用。在化学制造中，控制这些反应产生的热量以防止事故至关重要。例如，如果放热反应发生得太快，可能会导致爆炸或火灾。因此，工程师和化学家必须设计能够安全管理这些反应的热输出的系统。总之，放热反应不仅从科学角度来看很有趣，而且对我们的日常生活有重要影响。它们是能源生产、生物过程和工业应用的核心。通过研究这些反应，我们可以获得对自然世界运作的宝贵见解，以及如何利用这些过程进行技术进步。理解放热反应使我们具备了创新和改善各个领域安全措施的知识，确保我们能够高效和负责任地利用能源。