在溶解过程中发生了两种变化，一种是溶质的分子（或离子）在水分子的作用下向水中扩散，这一过程吸收热量；另一种是扩散的溶质的分子（或离子）和水分子作用，生成水和分子（或水和离子），这一过程放出热量。 物质溶解过程中的两种变化： 扩散过程 ...

Carbon dioxide reacts with water to produce carbonic acid. The double arrow means that carbonic acid breaks down pretty readily to form carbon dioxide and water again. A hydrogen atom from the ...

The acid or alkali becomes more diluted, and so becomes less dangerous. All solutions in water are either acidic, alkaline or neutral: we get an acidic solution when an acid is dissolved in water ...

The pH scale measures how strongly acidic or alkaline a solution is using a set of values from pH 0 to pH 14. When pure water is dropped into a solution of universal indicator, the indicator stays ...

It's an ideal solution for those who care about home cleanliness but want to limit the use of chemicals in daily life. The use of citric acid in other household problems Citric acid is a true hero ...

CO2REAKT is a comprehensive numerical framework designed to calculate CO₂ solubility in saline and acidic solutions. It comprises four key modules. The first module is based on the widely recognized ...

It's an ideal solution for those who care about home cleanliness but want to limit the use of chemicals in daily life. The use of citric acid in other household problems Citric acid is a true hero ...