gram atom

简明释义

克原子

英英释义

例句

1.When calculating the number of gram atoms (克原子) in a sample, you need to divide the mass by the atomic weight.

在计算样本中的gram atoms（克原子）时，需要将质量除以原子量。

2.The gram atom (克原子) is a useful unit when dealing with chemical reactions involving gases.

当处理涉及气体的化学反应时，gram atom（克原子）是一个有用的单位。

3.In chemistry, understanding the concept of gram atom (克原子) is crucial for stoichiometric calculations.

在化学中，理解gram atom（克原子）的概念对于化学计量计算至关重要。

4.The mass of one mole of a substance is equal to its molar mass in grams, which can be expressed in terms of a single gram atom (克原子).

一种物质的一摩尔质量等于其摩尔质量的克数，可以用一个gram atom（克原子）来表示。

5.To convert from grams to gram atoms (克原子), use Avogadro's number as a conversion factor.

要将克转换为gram atoms（克原子），请使用阿伏伽德罗常数作为转换因子。

作文

The concept of a gram atom is fundamental in the field of chemistry, particularly when discussing the relationship between mass and the number of atoms in a substance. A gram atom refers to the amount of a chemical element that has a mass equal to its atomic weight expressed in grams. This means that if you take the atomic weight of an element from the periodic table and convert it into grams, you will have one gram atom of that element. For example, the atomic weight of carbon is approximately 12.01. Therefore, one gram atom of carbon weighs 12.01 grams and contains Avogadro's number of atoms, which is about 6.022 x 10²³ atoms.Understanding gram atom is crucial for chemists because it allows them to calculate the number of atoms or molecules in a given mass of a substance. This knowledge is essential for stoichiometry, which is the branch of chemistry that deals with the quantitative relationships between reactants and products in chemical reactions. When chemists perform experiments, they often need to know how much of each reactant to use to ensure that a reaction goes to completion without leaving excess reactants.In practical applications, the gram atom concept helps in determining the proportions of elements needed in chemical compounds. For instance, when creating compounds such as water (H₂O), knowing the gram atom of hydrogen and oxygen is necessary to achieve the correct molecular composition. The molecular weight of water is 18.02 g/mol, which indicates that one gram atom of water consists of two gram atoms of hydrogen and one gram atom of oxygen.Moreover, the gram atom plays a significant role in the field of pharmaceuticals. In drug formulation, understanding the exact amount of active ingredients in terms of gram atoms ensures that medications are both effective and safe for consumption. Pharmacists rely on this precise measurement to create dosages that are appropriate for patients, which is vital for achieving the desired therapeutic effect without causing harm.In educational settings, teaching students about gram atom helps them grasp the importance of atomic theory and the mole concept in chemistry. Students learn to convert between grams and gram atoms, which enhances their problem-solving skills and prepares them for more advanced studies in science. By mastering this concept, students can better understand how matter interacts at the atomic level, which is critical for fields ranging from environmental science to materials engineering.In conclusion, the gram atom is a key concept in chemistry that connects the macroscopic world of grams with the microscopic world of atoms. It facilitates calculations, informs practical applications in various industries, and serves as a foundational topic in chemistry education. As we continue to explore the complexities of matter and chemical reactions, the gram atom will remain an indispensable tool for scientists and students alike.

“克原子”这一概念在化学领域中至关重要，特别是在讨论物质的质量与原子数量之间的关系时。“克原子”指的是一种化学元素的质量等于其原子量以克为单位表示的数量。这意味着，如果你从周期表中取出某个元素的原子量并将其转换为克，你就会得到该元素的一克原子。例如，碳的原子量约为12.01。因此，一克碳原子重12.01克，包含阿伏伽德罗数的原子，大约是6.022 x 10²³个原子。理解“克原子”对化学家来说至关重要，因为它使他们能够计算给定质量的物质中的原子或分子的数量。这一知识对于化学计量学尤为重要，化学计量学是研究反应物和产物之间定量关系的化学分支。当化学家进行实验时，他们通常需要知道使用多少每种反应物，以确保反应能够完全进行，而不留下多余的反应物。在实际应用中，“克原子”概念有助于确定化合物中所需元素的比例。例如，在创建水（H₂O）等化合物时，了解氢和氧的“克原子”是实现正确分子组成的必要条件。水的分子量为18.02 g/mol，这表明一克水原子由两个氢的克原子和一个氧的克原子组成。此外，“克原子”在制药领域也发挥着重要作用。在药物配方中，了解活性成分的确切数量以“克原子”为单位，确保药物既有效又安全。药剂师依赖这种精确的测量来制定适合患者的剂量，这对于达到所需的治疗效果而不造成伤害至关重要。在教育环境中，教授学生“克原子”有助于他们掌握原子理论和化学中的摩尔概念的重要性。学生学习如何在克和“克原子”之间进行转换，这增强了他们的问题解决能力，并为更高级的科学研究做好准备。通过掌握这一概念，学生可以更好地理解物质在原子水平上的相互作用，这对于从环境科学到材料工程等领域至关重要。总之，“克原子”是连接宏观世界与微观世界的关键概念。它促进了计算，告知各行业的实际应用，并作为化学教育中的基础主题。随着我们继续探索物质和化学反应的复杂性，“克原子”将始终是科学家和学生不可或缺的工具。