limit of solubility

简明释义

溶解限度

英英释义

例句

1.The limit of solubility for sugar in hot water is higher than in cold water.

糖在热水中的溶解度极限高于在冷水中的。

2.The limit of solubility in water for table salt is about 357 grams per liter.

食盐在水中的溶解度极限约为每升357克。

3.When the limit of solubility is reached, no more solute can dissolve in the solvent.

当达到溶解度极限时，溶剂中将无法再溶解更多的溶质。

4.In pharmaceuticals, knowing the limit of solubility is crucial for drug formulation.

在制药中，了解溶解度极限对药物配方至关重要。

5.Different substances have different limits of solubility depending on temperature and pressure.

不同物质的溶解度极限取决于温度和压力。

作文

The concept of the limit of solubility is fundamental in the field of chemistry, particularly when studying solutions and their properties. The limit of solubility refers to the maximum amount of a solute that can dissolve in a given quantity of solvent at a specific temperature and pressure. Understanding this concept is essential for various applications, including pharmaceuticals, environmental science, and industrial processes.When a solute is added to a solvent, it begins to dissolve until the solution reaches a state of equilibrium. At this point, the concentration of the dissolved solute remains constant, and any additional solute will not dissolve. This saturation point is what we refer to as the limit of solubility. Different substances have different limits of solubility, which can be influenced by several factors, including temperature, pressure, and the nature of the solute and solvent.For instance, consider table salt (sodium chloride) dissolving in water. At room temperature, a certain amount of salt can dissolve in a specific volume of water. However, if you continue to add salt beyond this point, you will notice that it no longer dissolves and instead settles at the bottom of the container. This behavior illustrates the limit of solubility of sodium chloride in water under those conditions.Temperature plays a crucial role in determining the limit of solubility. Generally, for solid solutes, increasing the temperature increases the limit of solubility. For example, sugar dissolves more readily in hot water than in cold water. Conversely, for gases, the limit of solubility typically decreases with an increase in temperature. This is why carbonated drinks lose their fizz when warmed, as the carbon dioxide gas escapes the solution.Pressure also affects the limit of solubility, especially for gaseous solutes. According to Henry's Law, the solubility of a gas in a liquid is directly proportional to the pressure of that gas above the liquid. Thus, increasing the pressure can enhance the limit of solubility of gases. This principle is utilized in various industries, such as in the carbonation of beverages, where carbon dioxide is dissolved in the liquid under high pressure to create fizzy drinks.In practical applications, understanding the limit of solubility is vital for formulating drugs. Pharmaceutical scientists must know how much of an active ingredient can be dissolved in a solvent to ensure that the drug is effective and safe for consumption. If a drug exceeds its limit of solubility, it may precipitate out of the solution, leading to inconsistent dosages and potentially harmful effects.In conclusion, the limit of solubility is a key concept in chemistry that describes the maximum concentration of a solute that can dissolve in a solvent under specific conditions. It is influenced by factors such as temperature and pressure and has significant implications in various fields, including medicine and environmental science. A thorough understanding of the limit of solubility helps scientists and engineers optimize processes and develop effective solutions for real-world challenges.

溶解度极限的概念在化学领域中是基础性的，特别是在研究溶液及其性质时。溶解度极限是指在特定温度和压力下，给定量的溶剂中可以溶解的溶质的最大量。理解这一概念对于药物、环境科学和工业过程等各种应用至关重要。当溶质被加入到溶剂中时，它开始溶解，直到溶液达到平衡状态。在这一点上，溶解的溶质浓度保持不变，任何额外的溶质将无法溶解。这个饱和点就是我们所称的溶解度极限。不同的物质有不同的溶解度极限，这可以受到几种因素的影响，包括温度、压力以及溶质和溶剂的性质。例如，考虑食盐（氯化钠）在水中的溶解情况。在室温下，一定量的盐可以溶解在特定体积的水中。然而，如果你继续添加盐超过这一点，你会注意到它不再溶解，而是沉淀在容器底部。这种行为说明了氯化钠在水中的溶解度极限。温度在决定溶解度极限方面起着至关重要的作用。通常，对于固体溶质，增加温度会增加溶解度极限。例如，糖在热水中比在冷水中更容易溶解。相反，对于气体，溶解度极限通常随着温度的升高而降低。这就是为什么碳酸饮料在加热时失去气泡，因为二氧化碳气体从溶液中逸出。压力也会影响溶解度极限，尤其是对于气态溶质。根据亨利定律，气体在液体中的溶解度与该气体在液体上方的压力成正比。因此，增加压力可以增强气体的溶解度极限。这个原理在多个行业中得到应用，例如在饮料碳酸化过程中，在高压下将二氧化碳溶解到液体中以制造气泡饮料。在实际应用中，理解溶解度极限对于药物配方至关重要。制药科学家必须知道有效成分能够溶解在溶剂中的多少，以确保药物对消费有效且安全。如果药物超过其溶解度极限，它可能会从溶液中沉淀出来，导致剂量不一致并可能产生有害效果。总之，溶解度极限是化学中的一个关键概念，描述了在特定条件下，溶质能够溶解在溶剂中的最大浓度。它受到温度和压力等因素的影响，并在药学和环境科学等多个领域具有重要意义。对溶解度极限的透彻理解帮助科学家和工程师优化过程并开发有效的解决方案，以应对现实世界的挑战。