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所在平台: Udemy |
课程主页: https://www.udemy.com/course/acids-and-bases/
课程评论：没有评论
**Coursera 课程总结：酸与碱（What are Acids And Bases）** 本课程深入浅出地讲解了酸与碱的各种核心概念，旨在帮助学员建立扎实的酸碱理论基础。 **课程主要内容包括：** * **酸碱理论的演进：** 详细介绍了阿伦尼乌斯（Arrhenius）、布朗斯特-劳里（Brønsted-Lowry）和刘易斯（Lewis）等关于酸碱的不同理论观点。 * **Ostwald 稀释定律：** 学习弱电解质的电离与稀释关系。 * **pH 的定义与应用：** 深入理解 pH 的概念，掌握 pH 值的计算方法，并熟悉 pH 刻度。 * **pH 与 pOH 的关系：** 阐明溶液中 pH 和 pOH 的相互关联。 * **常见离子效应：** 解释其在电离平衡中的影响。 * **多质子酸的酸性：** 探讨多质子酸的酸性特点。 * **缓冲溶液：** 详细介绍缓冲溶液的原理、类型以及在维持 pH 稳定中的作用。 * **水的离解常数 (Kw)：** 理解水的离子积常数及其意义，并了解在 25°C 时纯水中 H₃O⁺ 和 OH⁻ 的摩尔浓度。[H⁺ (aq)] 和 [H₃O⁺ (aq)] 之间的关系也将被明确。 * **强酸/强碱与弱酸/弱碱的区别：** 清晰区分不同强度酸碱的特性。 本课程特别关注许多学生在计算溶液 pH 值时遇到的困难，并通过简洁的步骤演示，帮助大家轻松掌握 pH 计算。课程设置了丰富的练习题，以巩固所学知识，确保学员能够真正掌握酸碱相关的概念和计算技巧，从而对酸碱理论有更深刻的理解。
This sourse contains the detailed explanation of different concepts of acids and bases. What is PH and how to calculate the PH of a solution. The course gives you detailed explanation about the buffer solution also and its different types. This course provides a deeper understanding of the acids and bases. It also provides the good number of practice questions to master your concept.You will learn in detail about the PH and POH of a solution. The different topics in this course are1. Different Concepts acids and base: arrhenous , Bronsted-Lowery , Lewis concepts of acids and bases2. Ostwald's Dilution Law3. PH Definition4. What is the pH Scale?5. What is pH and pOH of a solution?6. What is Common Ion effect ?7. Acidic nature of polyprotic acids.8. What is a Buffer Solution?9. Dissociation constant of water.10. To describe the relationship between "H+ (aq)" and "H3O+ (aq)"11. To write the equilibrium constant expression for the dissociation of pure water (Kw)12. To list the molar concentrations of H3O+ and OH- in pure water at 25o C.13. To describe the difference(s) between strong acids/bases and weak acids/basesMost of the students struggle to calculate the PH of solution. Here I tried to do the calculations in just few steps.This course provides a deeper understanding of the acids and bases. It also provides the good number of practice questions to master your concept.
