dilute acid

简明释义

稀酸

英英释义

例句

1.In titration experiments, we usually start with a dilute acid (稀酸) to precisely measure the reaction.

在滴定实验中，我们通常从dilute acid（稀酸）开始，以精确测量反应。

2.Always wear gloves when handling dilute acid (稀酸) to avoid skin irritation.

处理dilute acid（稀酸）时请务必佩戴手套，以避免皮肤刺激。

3.When cleaning the laboratory equipment, we often use dilute acid (稀酸) to remove residues.

在清洁实验室设备时，我们常常使用dilute acid（稀酸）来去除残留物。

4.The dilute acid (稀酸) can help in adjusting the pH of the solution.

该dilute acid（稀酸）可以帮助调整溶液的pH值。

5.A dilute acid (稀酸) solution is safer to handle compared to concentrated acids.

与浓酸相比，dilute acid（稀酸）溶液更安全处理。

作文

The study of chemistry often introduces students to various substances, including acids and bases. One important concept in this field is the idea of a dilute acid (稀酸). A dilute acid refers to an acid that has been mixed with water or another solvent to reduce its concentration. This process is crucial for many laboratory experiments and industrial applications, as it allows for safer handling and more controlled reactions. In practical terms, when we talk about a dilute acid, we are usually referring to solutions like hydrochloric acid (HCl) or sulfuric acid (H₂SO₄) that have been significantly watered down. For instance, concentrated hydrochloric acid is highly corrosive and can cause severe burns if it comes into contact with skin. However, when diluted with water, it becomes much safer to handle, allowing chemists to use it in various experiments without the same level of risk.Understanding how to prepare a dilute acid solution is essential for anyone working in a chemistry lab. The process typically involves adding acid to water, rather than the other way around. This is a critical safety measure because adding water to concentrated acid can cause a violent exothermic reaction, potentially leading to splattering and injury. Therefore, always remember the mantra: "Add acid to water, never water to acid."The applications of dilute acids are vast. In the food industry, for example, vinegar, which is a dilute acetic acid solution, is commonly used as a preservative and flavoring agent. In laboratories, dilute acids are often used for titrations, where precise measurements of acid-base reactions are required. Furthermore, in educational settings, students learn about the properties of acids through experiments involving dilute acids, helping them understand concepts such as pH levels, reactivity, and neutralization.Moreover, the environmental impact of dilute acids should not be overlooked. When used responsibly, they can be effective in cleaning and etching processes in manufacturing. However, improper disposal of any acidic waste, even if it is dilute, can lead to environmental degradation. It is crucial for industries to follow regulations regarding the disposal of chemical substances to prevent soil and water contamination.In conclusion, the concept of a dilute acid (稀酸) is fundamental in both theoretical and practical chemistry. By understanding how to properly prepare and utilize dilute acids, individuals can engage safely and effectively in scientific endeavors. Whether in a lab, an industrial setting, or even in our kitchens, dilute acids play a significant role in our daily lives, highlighting the importance of chemistry in various fields. Through careful study and application, the knowledge of dilute acids can lead to advancements in science and technology, ultimately benefiting society as a whole.

化学的研究通常会向学生介绍各种物质，包括酸和碱。在这个领域中，一个重要的概念是“dilute acid”（稀酸）的概念。“dilute acid”是指通过与水或其他溶剂混合以降低其浓度的酸。这一过程对于许多实验室实验和工业应用至关重要，因为它允许更安全的操作和更可控的反应。在实际操作中，当我们谈论“dilute acid”时，通常是指像盐酸（HCl）或硫酸（H₂SO₄）这样被大量稀释的溶液。例如，浓盐酸具有高度腐蚀性，如果接触皮肤，会造成严重烧伤。然而，当用水稀释后，它变得更安全，可以让化学家在各种实验中使用，而不必面临同样的风险。理解如何制备“dilute acid”溶液对于任何在化学实验室工作的人来说都是至关重要的。这个过程通常涉及将酸加入水中，而不是反过来。这是一个关键的安全措施，因为将水加入浓酸可能会导致剧烈的放热反应，可能造成飞溅和伤害。因此，请始终记住这一原则：“将酸加到水中，而不是将水加到酸中。”“dilute acids”的应用非常广泛。例如，在食品工业中，醋是一种“dilute acetic acid”溶液，通常用作防腐剂和调味剂。在实验室中，“dilute acids”常用于滴定，其中需要精确测量酸碱反应。此外，在教育环境中，学生通过涉及“dilute acids”的实验学习酸的性质，帮助他们理解pH水平、反应性和中和等概念。此外，“dilute acids”对环境的影响也不容忽视。当负责任地使用时，它们可以在制造中的清洁和蚀刻过程中有效。然而，即使是“dilute”的酸性废物的不当处理也可能导致环境退化。工业界必须遵循关于化学物质处置的规定，以防止土壤和水源污染。总之，“dilute acid”（稀酸）的概念在理论和实践化学中都是基础。通过理解如何正确制备和利用“dilute acids”，个人可以安全有效地参与科学活动。无论是在实验室、工业环境还是我们的厨房中，“dilute acids”在我们的日常生活中发挥着重要作用，突显了化学在各个领域的重要性。通过仔细的研究和应用，对“dilute acids”的知识可以推动科学和技术的进步，最终造福整个社会。