law of mass action

简明释义

质量酌定律

英英释义

例句

1.The law of mass action can be observed in everyday occurrences, such as the fermentation process in baking.

在日常现象中，例如烘焙中的发酵过程，可以观察到质量作用定律。

2.In a closed system, the law of mass action helps predict how changes in concentration will affect the equilibrium position.

在一个封闭系统中，质量作用定律帮助预测浓度变化将如何影响平衡位置。

3.According to the law of mass action, increasing the concentration of reactants will speed up the reaction rate.

根据质量作用定律，增加反应物的浓度会加快反应速率。

4.Understanding the law of mass action is crucial for chemists when designing reactions.

理解质量作用定律对化学家设计反应至关重要。

5.The law of mass action states that the rate of a chemical reaction is proportional to the product of the concentrations of the reactants.

质量作用定律指出，化学反应的速率与反应物浓度的乘积成正比。

作文

The concept of the law of mass action is fundamental in the field of chemistry, particularly in understanding how chemical reactions occur and the rates at which they proceed. This law states that the rate of a chemical reaction is proportional to the product of the concentrations of the reactants, each raised to a power equal to the coefficient of that substance in the balanced chemical equation. In simpler terms, it means that the more reactants you have, the faster a reaction will occur, assuming all other conditions remain constant.To illustrate the law of mass action, consider a simple reaction where A and B react to form C. The rate of this reaction can be expressed mathematically as Rate = k[A]^m[B]^n, where k is the rate constant, [A] and [B] are the concentrations of the reactants, and m and n are the coefficients from the balanced equation. This relationship highlights how changes in concentration can significantly affect the speed of the reaction. For instance, if the concentration of A is doubled, the reaction rate will also increase, demonstrating the direct correlation between concentration and reaction rate as described by the law of mass action.Understanding this principle is crucial for chemists, as it allows them to predict how changing conditions will impact a reaction. For example, in industrial settings, manufacturers often manipulate the concentrations of reactants to optimize production rates. By applying the law of mass action, they can determine the ideal concentrations that will yield the highest output in the shortest amount of time.Moreover, the law of mass action also plays a significant role in biochemical reactions within living organisms. Enzymes, which act as catalysts in biological processes, often rely on this principle to function efficiently. The concentration of substrates and products can influence enzyme activity, thereby affecting metabolic pathways. This interplay between concentration and reaction rate underlines the importance of the law of mass action in both chemistry and biology.However, it is essential to note that the law of mass action applies primarily to reactions that reach equilibrium. In systems where reactions are not reversible or do not reach a steady state, the law may not hold true. Additionally, temperature and pressure can also influence reaction rates, further complicating the application of this law. Therefore, while the law of mass action provides a valuable framework for understanding chemical kinetics, it must be applied with consideration of other factors that may affect reaction dynamics.In conclusion, the law of mass action is a pivotal concept in chemistry that aids in understanding the relationship between reactant concentrations and reaction rates. Its applications extend beyond the laboratory into various fields, including industry and biology, making it an essential principle for scientists and researchers. By grasping the implications of the law of mass action, one can gain deeper insights into the behavior of chemical systems and the factors that govern their reactions.

“反应速率定律”这一概念在化学领域中是基础性的，特别是在理解化学反应如何发生以及它们以何种速率进行方面。该定律指出，化学反应的速率与反应物浓度的乘积成正比，每个浓度都要提高到平衡化学方程式中该物质系数的幂。简单来说，这意味着如果你有更多的反应物，反应发生的速度会更快，假设其他条件保持不变。为了说明“反应速率定律”，我们考虑一个简单的反应，其中 A 和 B 反应生成 C。这个反应的速率可以用数学表达为速率 = k[A]^m[B]^n，其中 k 是速率常数，[A] 和 [B] 是反应物的浓度，而 m 和 n 是平衡方程中的系数。这个关系突显了浓度变化如何显著影响反应速度。例如，如果 A 的浓度加倍，反应速率也会增加，展示了浓度与反应速率之间的直接关系，这正是“反应速率定律”所描述的。理解这一原理对化学家至关重要，因为它使他们能够预测改变条件将如何影响反应。例如，在工业环境中，制造商通常操控反应物的浓度以优化生产速率。通过应用“反应速率定律”，他们可以确定理想的浓度，以便在最短时间内获得最高的产出。此外，“反应速率定律”在生物体内的生化反应中也扮演着重要角色。酶作为生物过程中催化剂的作用，常常依赖于这一原理以高效运作。底物和产物的浓度可以影响酶的活性，从而影响代谢途径。这种浓度与反应速率之间的相互作用强调了“反应速率定律”在化学和生物学中的重要性。然而，需要注意的是，“反应速率定律”主要适用于达到平衡的反应。在某些反应不可逆或未达到稳态的系统中，该定律可能不成立。此外，温度和压力也会影响反应速率，进一步复杂化了该定律的应用。因此，尽管“反应速率定律”为理解化学动力学提供了有价值的框架，但在应用时必须考虑可能影响反应动态的其他因素。总之，“反应速率定律”是化学中一个关键概念，有助于理解反应物浓度与反应速率之间的关系。其应用超越实验室，延伸到工业和生物等多个领域，使其成为科学家和研究人员的基本原理。通过掌握“反应速率定律”的含义，人们可以更深入地了解化学系统的行为及其反应所受的影响因素。