true boiling point

简明释义

真沸点

英英释义

例句

1.Variations in atmospheric pressure can affect the true boiling point of liquids.

大气压力的变化会影响液体的真实沸点。

2.The true boiling point of water at sea level is 100 degrees Celsius.

海平面上水的真实沸点是100摄氏度。

3.To identify the compound, we need to determine its true boiling point under standard conditions.

为了识别化合物，我们需要在标准条件下确定其真实沸点。

4.The chemist measured the true boiling point of the substance to ensure accurate results.

化学家测量了该物质的真实沸点以确保结果准确。

5.Understanding the true boiling point is crucial for distillation processes.

理解真实沸点对蒸馏过程至关重要。

作文

The concept of the true boiling point is fundamental in the field of chemistry, particularly when discussing the properties of liquids and their phase transitions. The true boiling point refers to the temperature at which a liquid's vapor pressure equals the external pressure surrounding the liquid. At this temperature, the liquid begins to change into vapor, marking the transition from the liquid phase to the gas phase. This phenomenon is crucial for understanding various applications, such as distillation processes, cooking, and even weather patterns.When we consider the true boiling point of a substance, it is important to note that this temperature can vary depending on the surrounding atmospheric pressure. For instance, at sea level, the true boiling point of water is 100 degrees Celsius. However, if one were to ascend to higher altitudes, such as in mountainous regions, the atmospheric pressure decreases. Consequently, the true boiling point of water also decreases, meaning that it will boil at a lower temperature than at sea level. This principle explains why cooking times can vary significantly in high-altitude locations; food may require longer to cook because the boiling point of water is lower.In industrial applications, the true boiling point is critical during the process of distillation, which is used to separate components of mixtures based on differences in their boiling points. For example, in the production of alcoholic beverages, the true boiling point of ethanol is lower than that of water, allowing for the separation of alcohol from the fermentation mixture. Understanding the true boiling point of various substances enables chemists and engineers to design efficient processes for producing and purifying chemicals.Moreover, the true boiling point is not only significant in laboratory settings but also in everyday life. When cooking, knowing the true boiling point of water helps in determining how to properly prepare food. For instance, pasta needs to be boiled in water at its true boiling point to achieve the desired texture. Similarly, recipes often provide instructions based on the assumption that the cook is using water at its true boiling point under normal atmospheric conditions.Furthermore, the true boiling point has implications for environmental science. When studying climate change, scientists examine how changes in temperature can affect the true boiling point of various substances in the environment. For instance, as global temperatures rise, the true boiling point of certain pollutants may change, affecting their behavior and distribution in the atmosphere.In conclusion, the true boiling point is a vital concept that extends beyond the confines of a chemistry classroom. It plays a crucial role in various scientific fields, practical applications, and daily life. By understanding the true boiling point, we gain insights into the behavior of liquids, improve our cooking techniques, enhance industrial processes, and address pressing environmental issues. As we continue to explore and learn about the physical properties of substances, the true boiling point remains an essential piece of the puzzle in comprehending the world around us.

“真实沸点”这一概念在化学领域中至关重要，尤其是在讨论液体的性质及其相变时。“真实沸点”指的是液体的蒸气压等于液体周围外部压力时的温度。在这个温度下，液体开始转变为蒸气，标志着从液态到气态的转变。这一现象对于理解各种应用至关重要，例如蒸馏过程、烹饪甚至天气模式。当我们考虑某种物质的“真实沸点”时，需要注意的是，这个温度会因周围的大气压力而变化。例如，在海平面上，水的“真实沸点”是100摄氏度。然而，如果人们上升到更高的海拔，例如在山区，大气压力会降低。因此，水的“真实沸点”也会降低，这意味着它将在低于海平面的温度下沸腾。这一原理解释了为什么在高海拔地区，烹饪时间可能会显著变化；由于水的沸点较低，食物可能需要更长时间才能煮熟。在工业应用中，“真实沸点”在蒸馏过程中至关重要，该过程用于根据混合物中成分的沸点差异来分离成分。例如，在生产酒精饮料时，乙醇的“真实沸点”低于水的沸点，从而使酒精能够从发酵混合物中分离出来。理解各种物质的“真实沸点”使化学家和工程师能够设计高效的化学生产和纯化过程。此外，“真实沸点”不仅在实验室环境中重要，也在日常生活中具有重要意义。在烹饪时，知道水的“真实沸点”有助于确定如何正确准备食物。例如，意大利面需要在水的“真实沸点”下煮沸，以达到所需的质地。同样，食谱通常基于假设厨师使用的是在正常大气条件下的水的“真实沸点”。此外，“真实沸点”对环境科学也有影响。当研究气候变化时，科学家们考察温度变化如何影响环境中各种物质的“真实沸点”。例如，随着全球气温的上升，某些污染物的“真实沸点”可能会发生变化，从而影响其在大气中的行为和分布。总之，“真实沸点”是一个重要的概念，超越了化学课堂的范围。它在各个科学领域、实际应用和日常生活中发挥着关键作用。通过理解“真实沸点”，我们可以深入了解液体的行为，提高我们的烹饪技巧，增强工业流程，并解决紧迫的环境问题。随着我们继续探索和学习物质的物理性质，“真实沸点”仍然是理解我们周围世界的拼图中不可或缺的一部分。