Barium reacted with water or steam to produce a fierce, heat-generating reaction, forming a solute of lithium. Since the solute of lithium was not high, and the sublimation energy of lithium was high, the reaction was not as intense as that of the alkali-based metals. In the reaction process, from the point of view of material change, the metal changed from a simple metal to a compound such as lithium hydrogen, and at the same time, hydrogen was generated. From the point of view of energy change, the reaction was extremely heat. Read more exciting novels for free
Ba(NO3)2 is easily dissolved in water and does not react with water. It will not produce gas, so there is no gas formation phenomenon. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction equation between helium- 3 (He - 3) and helium (D) was He3 + d = He4 + p + 18.4MeV, but this reaction had a side reaction, which would produce neutrons, and other reactions would occur between the two. For example, the two reactions were: Deuterated + Deuterated ==> Helium 3 + n and Deuterated + Deuterated ==> Tritium + p. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction equation of Ba with water vapor is Ba +2H ^O == Ba(Ox)^+ H ^. Barium was toxic because after it and its compounds entered the human body, it would destroy the physiological functions of the human body and cause damage to the human body's muscles, cardiovascular system, central nervous system, and other systems. For example, Ba ions could interfere with the ion balance in cells and affect important physiological processes such as nerve transmission. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
以下是几种水解制氢的反应式: 1. 铝水反应制氢: - \(2Al +4H_{2}O = 2AlO(OH)+3H_{2}\uparrow\) - \(2Al + 6H_{2}O=2Al(OH)_{3}+3H_{2}\uparrow\) 2. 硼氢化钠催化水解制氢:\(NaBH_{4}+2H_{2}O\stackrel{催化剂}{=\!=\!=}4H_{2}+NaBO_{2}\) <a href="/?from=ask_words" style="color:red" target="_blank">点击前往免费阅读更多精彩小说</a>
In cold water, the dissolution of the aluminum was limited. In warm water, due to the decomposition, the aluminum would be separated and form aluminum trioxides. The aluminum trioxides had a strong absorption effect (because it was charged), which would absorb impurities in the water such as iron ions to form larger molecular clusters. The molecular clusters would become yellow, and the molecular clusters would become larger and larger. Finally, they would sink to the bottom, and the water would become clean. In addition, if you add aluminum to turbid natural water, stir and dissolve it, and then let it stand, it will produce settling. This is because the colloid substance formed by aluminum dissolving in water has an absorption effect on impurities, causing impurities to settle. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
When a small amount of water was added, blue copper decahydrate crystals would be formed; when excessive water was added, the crystals would dissolve and form a blue solution. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Water absorption was usually a physical property that was reflected in physical changes, but some also involved chemical changes. For example, the solid state of soda ash had a strong moisture absorption. It absorbed the surrounding water vapor and dissolved in the absorbed water, forming a concentrated solution of soda ash. This process was a physical change. The concentrated sulfuric acid could absorb the water vapor in the air around it to form a series of water compounds. On the other hand, the concentrated sulfuric acid dissolved in the absorbed water to make itself thinner, which also involved physical changes. However, the concentrated sulfuric acid absorbed the first water molecules in the copper sulfuric acid, which reflected the water absorption (physical property), and the removal of the remaining four water molecules reflected the dehydration (chemical property). The main component of the quicklime drying agent was lime, and its water absorption ability was achieved through a chemical reaction. This water absorption was irreversible. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The electropathic addition reaction between propene and bromic water did not require any special reaction conditions. The reaction formula was: CH2 = CH-CH3 + Br2 → CH2Br-CHBr-CH3. Under illumination or with a free radical initiator, a free radical substitution reaction could occur: CH2 = CH-CH3 + Br2 → CH2 = CH-CH2Br2 (the main reaction). At the same time, a free radical addition reaction could also occur: CH2 = CH-CH3 + Br2 → CH2Br-CHBr-CH3. Under appropriate conditions, the reaction of propene and Bromine to form 1,3 -dibromopropan is usually carried out in an inactive solution. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The water contained Cl2, and since Cl2 was more oxidiser than Bromine, Bromine gas and Cl2 did not react. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The surface of toothpaste usually contains a surfacing agent. When the toothpaste is squeezed into water, the water molecules will form a thin layer on the surface of the toothpaste. This is a phenomenon of surface tension, which will cause the water droplets to form a spherical shape on the surface of the toothpaste instead of spreading out. Due to the effect of the surface active agent in the toothpaste, the force between the water droplets and the surface of the toothpaste would change, and the water droplets would float for a while. Moreover, there were chemical components in the toothpaste that would react with water to produce gas, pushing the small pieces of toothpaste to "swim" on the water surface. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>