gramme atomic weight

简明释义

克原子

英英释义

例句

1.The gramme atomic weight of hydrogen is approximately 1.008, making it the lightest element on the periodic table.

氢的克原子量大约是1.008，使其成为周期表中最轻的元素。

2.In stoichiometry, you will often use the gramme atomic weight to convert between grams and moles.

在化学计量学中，你经常会使用克原子量在克和摩尔之间进行转换。

3.The gramme atomic weight of carbon is 12.01, which is essential for organic chemistry.

碳的克原子量是12.01，这对有机化学至关重要。

4.When calculating the molar mass, it's important to know the gramme atomic weight of each element involved.

在计算摩尔质量时，了解每个元素的克原子量是很重要的。

5.The gramme atomic weight of oxygen is about 16, which is crucial for understanding respiration.

氧的克原子量大约是16，这对理解呼吸过程至关重要。

作文

Understanding the concept of gramme atomic weight is crucial for anyone studying chemistry or related fields. The term refers to the mass of one mole of a substance expressed in grams, which is numerically equivalent to its atomic weight measured in atomic mass units (amu). This relationship between atomic weight and gramme atomic weight allows chemists to convert between the two systems easily. For example, the atomic weight of carbon is approximately 12 amu, which means that one mole of carbon weighs about 12 grams. This simple yet profound connection is essential for performing calculations involving moles and mass in chemical reactions.In practical terms, gramme atomic weight serves as a bridge between the microscopic world of atoms and the macroscopic world we can measure. When chemists conduct experiments, they often need to know how much of a substance to use. By understanding the gramme atomic weight, they can accurately weigh out the required amount of a chemical to ensure that reactions occur as intended. This precision is vital in fields such as pharmacology, where the correct dosage of a drug can be a matter of life and death.Moreover, the concept of gramme atomic weight is not limited to individual elements; it extends to compounds as well. The gramme atomic weight of a compound can be calculated by summing the gramme atomic weights of its constituent elements. For instance, water (H2O) has a gramme atomic weight of approximately 18 grams per mole, derived from the contribution of two hydrogen atoms (each with a gramme atomic weight of about 1 gram) and one oxygen atom (with a gramme atomic weight of about 16 grams). This straightforward calculation is fundamental to stoichiometry, the study of the quantitative relationships between reactants and products in chemical reactions.In educational settings, students often encounter gramme atomic weight when learning about the periodic table. Each element's atomic weight is listed, providing a quick reference for calculating gramme atomic weights in various contexts. Understanding these values helps students grasp the concept of molarity, which is the number of moles of solute per liter of solution. Molarity calculations are essential in laboratory settings, where precise concentrations of solutions are necessary for successful experiments.In summary, the concept of gramme atomic weight is foundational in chemistry, linking the atomic scale with practical measurements used in laboratories and industries. Mastery of this concept enables chemists to perform accurate calculations, ensuring that their work is both effective and reliable. As students and professionals delve deeper into the world of chemistry, the importance of gramme atomic weight will continue to resonate, highlighting its role in bridging theoretical knowledge with real-world applications. Therefore, grasping the significance of gramme atomic weight is not just an academic exercise; it is a vital skill that underpins scientific inquiry and innovation.

理解克原子量的概念对于任何学习化学或相关领域的人来说都是至关重要的。这个术语指的是以克为单位表示的一摩尔物质的质量，这在数值上等同于以原子质量单位（amu）测量的原子量。原子量与克原子量之间的这种关系使化学家能够轻松地在这两种系统之间进行转换。例如，碳的原子量约为12 amu，这意味着一摩尔碳的重量约为12克。这种简单而深刻的联系对于进行涉及摩尔和质量的化学反应计算至关重要。在实际应用中，克原子量作为原子微观世界与我们可以测量的宏观世界之间的桥梁。当化学家进行实验时，他们通常需要知道使用多少物质。通过理解克原子量，他们可以准确称量出所需的化学物质，以确保反应按预期进行。这种精确性在药理学等领域至关重要，在这些领域，药物的正确剂量可能关系到生死。此外，克原子量的概念不仅限于单个元素；它也扩展到化合物。化合物的克原子量可以通过将其组成元素的克原子量相加来计算。例如，水（H2O）的克原子量约为18克每摩尔，这源于两个氢原子（每个约为1克的克原子量）和一个氧原子（约为16克的克原子量）的贡献。这种简单的计算对于化学计量学是基本的，化学计量学研究反应物和产物之间的定量关系。在教育环境中，学生们在学习周期表时常常会遇到克原子量。每个元素的原子量都会列出，提供了一个快速参考，以便在各种上下文中计算克原子量。理解这些数值有助于学生掌握摩尔浓度的概念，即每升溶液中的溶质摩尔数。摩尔浓度计算在实验室环境中至关重要，其中溶液的精确浓度对于成功的实验是必要的。总之，克原子量的概念在化学中是基础性的，将原子尺度与实验室和工业中使用的实际测量联系起来。掌握这一概念使化学家能够进行准确的计算，确保他们的工作既有效又可靠。随着学生和专业人士深入探索化学世界，克原子量的重要性将继续显现，突出其在将理论知识与现实应用相结合中的作用。因此，掌握克原子量的重要性不仅仅是学术练习；它是一项关键技能，支撑着科学探究和创新。