reversible reaction

简明释义

可逆反应

英英释义

例句

1.The Haber process is a classic example of a reversible reaction 可逆反应 used for synthesizing fertilizers.

哈伯法是用于合成肥料的经典可逆反应 reversible reaction 的例子。

2.In chemistry class, we learned that a reversible reaction 可逆反应 can proceed in both the forward and reverse directions.

在化学课上，我们了解到，可逆反应 reversible reaction 可以在正向和反向两个方向进行。

3.Many biological processes involve reversible reactions 可逆反应, allowing cells to adapt quickly.

许多生物过程涉及到可逆反应 reversible reactions，使细胞能够快速适应。

4.In industrial applications, controlling a reversible reaction 可逆反应 can optimize product yield.

在工业应用中，控制可逆反应 reversible reaction 可以优化产品产量。

5.The synthesis of ammonia is an example of a reversible reaction 可逆反应 that reaches equilibrium.

氨的合成是一个达到平衡的可逆反应 reversible reaction 的例子。

作文

In the field of chemistry, the concept of a reversible reaction is fundamental to understanding how different chemical processes occur. A reversible reaction is one in which the products can react to form the original reactants. This means that the reaction can proceed in both the forward and reverse directions. For instance, consider the synthesis of water from hydrogen and oxygen. The equation for this reaction is: 2H₂ + O₂ ⇌ 2H₂OThis equation indicates that hydrogen and oxygen can combine to form water, but water can also decompose back into hydrogen and oxygen under certain conditions. The double arrow (⇌) signifies that the reaction can go in both directions, highlighting the essence of a reversible reaction.The significance of reversible reactions extends beyond simple chemical equations; they are crucial in various biological and industrial processes. In biological systems, many metabolic pathways involve reversible reactions. For example, the conversion of glucose to pyruvate during glycolysis is a series of reactions that can be reversed under specific conditions. This reversibility allows cells to adapt to changing energy demands by either breaking down glucose for energy or synthesizing glucose when energy is abundant.In industrial chemistry, reversible reactions are essential for the production of chemicals. The Haber process, which synthesizes ammonia from nitrogen and hydrogen, is another classic example. The reaction can be represented as follows:N₂ + 3H₂ ⇌ 2NH₃Understanding that this reaction is reversible helps chemists optimize conditions such as temperature and pressure to maximize yield. By manipulating these variables, it is possible to shift the equilibrium position of the reversible reaction towards the products, thus increasing the amount of ammonia produced.Moreover, the study of reversible reactions involves the principles of chemical equilibrium. When a reversible reaction reaches a state of equilibrium, the rates of the forward and reverse reactions are equal. At this point, the concentrations of reactants and products remain constant, although both reactions continue to occur. The Le Chatelier's principle states that if an external change is applied to a system at equilibrium, the system will adjust to counteract that change, thereby establishing a new equilibrium. This principle is pivotal in predicting how changes in concentration, temperature, or pressure will affect a reversible reaction.In conclusion, the concept of a reversible reaction is critical in both theoretical and practical aspects of chemistry. It provides insight into the dynamic nature of chemical processes and their applications in real-world scenarios. By understanding reversible reactions, scientists and engineers can devise strategies to optimize reactions for desired outcomes, whether in biological systems or industrial applications. The ability to manipulate these reactions not only enhances our understanding of chemical behavior but also drives innovation in various fields, including pharmaceuticals, energy production, and environmental science.

在化学领域，可逆反应的概念对理解不同化学过程的发生至关重要。可逆反应是指产物可以反应生成原始反应物的反应。这意味着反应可以朝着正向和反向两个方向进行。例如，考虑氢和氧合成水的反应。该反应的方程式为：2H₂ + O₂ ⇌ 2H₂O这个方程式表明，氢和氧可以结合形成水，但在特定条件下水也可以分解回氢和氧。双箭头（⇌）表示反应可以在两个方向上进行，突出了可逆反应的本质。可逆反应的重要性不仅仅体现在简单的化学方程式上；它们在各种生物和工业过程中至关重要。在生物系统中，许多代谢途径涉及可逆反应。例如，在糖酵解过程中，葡萄糖转化为丙酮酸是一系列可以在特定条件下逆转的反应。这种可逆性使细胞能够适应不断变化的能量需求，要么分解葡萄糖以获取能量，要么在能量充足时合成葡萄糖。在工业化学中，可逆反应对于化学品的生产至关重要。哈伯法则，即从氮和氢合成氨，是另一个经典示例。该反应可以表示为：N₂ + 3H₂ ⇌ 2NH₃了解这一反应是可逆的有助于化学家优化温度和压力等条件，以最大化产量。通过操纵这些变量，可以将可逆反应的平衡位置向产物一侧移动，从而增加生成的氨的量。此外，可逆反应的研究涉及化学平衡的原则。当可逆反应达到平衡状态时，正向和反向反应的速率相等。在这一点上，反应物和产品的浓度保持不变，尽管两种反应仍在继续进行。勒沙特列原理指出，如果对处于平衡状态的系统施加外部变化，该系统将调整以抵消该变化，从而建立新的平衡。该原理在预测浓度、温度或压力变化如何影响可逆反应方面至关重要。总之，可逆反应的概念在化学的理论和实践方面都是关键。它提供了对化学过程动态特性的洞察，并在现实世界的应用中具有重要意义。通过理解可逆反应，科学家和工程师可以制定策略，以优化反应以获得所需的结果，无论是在生物系统还是工业应用中。操纵这些反应的能力不仅增强了我们对化学行为的理解，而且推动了药品、能源生产和环境科学等多个领域的创新。