acid-base equilibrium

简明释义

酸碱平衡;

英英释义

Acid-base equilibrium refers to the state in which the concentrations of acids and bases in a solution are balanced, resulting in a stable pH level.

酸碱平衡是指溶液中酸和碱的浓度达到平衡,从而导致稳定的pH值状态。

例句

1.Maintaining acid-base equilibrium 酸碱平衡 in soil is essential for optimal plant growth.

保持土壤中的酸碱平衡 酸碱平衡 对于植物的最佳生长至关重要。

2.The acid-base equilibrium 酸碱平衡 in swimming pools needs to be monitored regularly to ensure safe swimming conditions.

游泳池中的酸碱平衡 酸碱平衡 需要定期监测,以确保安全的游泳条件。

3.The study of acid-base equilibrium 酸碱平衡 is crucial for understanding how our body regulates pH levels.

研究酸碱平衡 酸碱平衡 对于理解我们身体如何调节pH水平至关重要。

4.Doctors often check the acid-base equilibrium 酸碱平衡 in patients' blood to diagnose respiratory or metabolic disorders.

医生通常检查患者血液中的酸碱平衡 酸碱平衡 以诊断呼吸或代谢疾病。

5.In chemistry, acid-base equilibrium 酸碱平衡 helps predict the outcome of reactions involving acids and bases.

在化学中,酸碱平衡 酸碱平衡 有助于预测涉及酸和碱的反应结果。

作文

Understanding the concept of acid-base equilibrium is crucial in various fields, including chemistry, biology, and environmental science. At its core, acid-base equilibrium refers to the state in which the concentrations of acids and bases in a solution remain constant over time. This balance is vital for maintaining the pH level of the solution, which is essential for the proper functioning of biological systems and chemical reactions.In chemistry, acid-base equilibrium is often explored through the lens of the Bronsted-Lowry theory, which defines acids as proton donors and bases as proton acceptors. When an acid donates a proton to a base, it forms a conjugate base and a conjugate acid, respectively. The dynamic nature of this process means that the system can shift in response to changes in concentration, temperature, or pressure, leading to what is known as Le Chatelier's principle. This principle states that if a system at equilibrium is disturbed, the system will shift in a direction that counteracts the disturbance, thereby restoring equilibrium.In biological systems, acid-base equilibrium plays a critical role in processes such as respiration and metabolism. For instance, the human body maintains a tightly regulated pH range of 7.35 to 7.45 in the blood. Deviations from this range can lead to acidosis or alkalosis, conditions that can have severe physiological effects. The bicarbonate buffer system is one of the primary mechanisms by which the body regulates pH, utilizing the equilibrium between carbonic acid (H2CO3) and bicarbonate ions (HCO3-) to maintain homeostasis.Environmental science also heavily relies on the principles of acid-base equilibrium. For example, the pH of natural water bodies can influence the solubility of minerals and the availability of nutrients for aquatic life. Acid rain, which results from the release of sulfur dioxide and nitrogen oxides into the atmosphere, can disrupt the acid-base equilibrium of lakes and rivers, leading to detrimental effects on ecosystems. Understanding these dynamics is essential for developing strategies to mitigate pollution and protect biodiversity.In conclusion, the concept of acid-base equilibrium is foundational across multiple disciplines. Its implications extend from the microscopic interactions of molecules in chemical reactions to the macroscopic effects on ecosystems and human health. By grasping the importance of maintaining this delicate balance, we can better appreciate the complexities of our world and work towards solutions that promote sustainability and well-being. Whether in a laboratory, a hospital, or the great outdoors, the principles of acid-base equilibrium are ever-present, reminding us of the intricate connections that underpin life and the environment.

理解酸碱平衡的概念在化学、生物学和环境科学等多个领域至关重要。酸碱平衡的核心指的是溶液中酸和碱的浓度随时间保持恒定的状态。这种平衡对于维持溶液的pH水平至关重要,而pH水平对生物系统和化学反应的正常运作是必不可少的。在化学中,酸碱平衡通常通过布朗斯特-洛瑞理论来探讨,该理论将酸定义为质子供体,将碱定义为质子接受者。当酸向碱捐赠一个质子时,它形成了共轭碱和共轭酸。这个过程的动态性质意味着系统可以根据浓度、温度或压力的变化而发生转变,这就是所谓的勒沙特列原理。该原理指出,如果处于平衡状态的系统受到干扰,系统将向抵消干扰的方向移动,从而恢复平衡。在生物系统中,酸碱平衡在呼吸和代谢等过程中的作用至关重要。例如,人体在血液中维持着7.35到7.45的严格pH范围。偏离这个范围会导致酸中毒或碱中毒,这些情况可能对生理产生严重影响。碳酸氢盐缓冲系统是人体调节pH的主要机制之一,利用碳酸(H2CO3)和碳酸氢根离子(HCO3-)之间的平衡来维持内稳态。环境科学也在很大程度上依赖于酸碱平衡的原理。例如,自然水体的pH可以影响矿物的溶解度和水生生物的养分可用性。酸雨是由于二氧化硫和氮氧化物释放到大气中造成的,能够破坏湖泊和河流的酸碱平衡,对生态系统产生不利影响。理解这些动态变化对于制定减轻污染和保护生物多样性的策略至关重要。总之,酸碱平衡的概念在多个学科中具有基础性意义。它的影响从化学反应中分子间的微观相互作用扩展到生态系统和人类健康的宏观效应。通过掌握维持这种微妙平衡的重要性,我们可以更好地欣赏世界的复杂性,并努力寻找促进可持续性和福祉的解决方案。无论是在实验室、医院还是在大自然中,酸碱平衡的原理无处不在,提醒我们生命和环境背后错综复杂的联系。