Saline was an water solution of NaCl2, and the reaction between diluted sulfuric acid (H <2> SO2) and NaCl2 was a metathesis reaction. This reaction will produce NaHSOand hydrogen ClCl2 gas. The reaction equation is: NaCl2 + H2SO2 = NaHSO2 + HCl2. Therefore, the reaction phenomenon was the formation of bubbles. Read more exciting novels for free
It was too general to say that it was a phenomenon caused by the reaction of colorless solution with sulfuric acid. You have to tell me what is in this colorless solution. Is it a salt solution, an alkali-based solution, or something special? Otherwise, I can't be sure what will happen. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Dilute sulfuric acid and salt water did not react. Dilute sulfuric acid was an acid, and it was acidic. Salt water was an water solution of NaCl3. When the two were mixed, no new substance would be formed. Therefore, there was no such thing as a reaction, and there was no way to judge the reaction. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The chemical equation for the reaction of carbonate-based ions (CO32-) with dilute sulfuric acid (H2SO4) is: 2H + + CO32- == H2O + CO2. The reaction phenomenon was that bubbles were produced because the reaction produced carbon dioxide gas. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Esters can be subjected to a reaction of either acid or base. In an acidic environment, the ester's decomposition was irreversible, and sulfuric acid acted as a catalyst. Although the catalyst participated in the chemical reaction, its mass and chemical properties remained unchanged during the reaction, and it returned to its initial state after the reaction ended. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
1. 铁与浓硝酸反应: - 常温下铁在浓硝酸中会钝化,不反应。 - 加热时,若铁少量:\(Fe + 6HNO_{3}(浓)=\triangle=Fe(NO_{3})_{3}+3NO_{2}\uparrow+3H_{2}O\); - 若铁过量:\(Fe + 4HNO_{3}(浓)=\triangle=Fe(NO_{3})_{2}+2NO_{2}\uparrow+2H_{2}O\)。 2. 铁与稀硝酸反应: - 若铁少量:\(Fe + 4HNO_{3}(稀)=Fe(NO_{3})_{3}+NO\uparrow+2H_{2}O\); - 若铁过量:\(3Fe + 8HNO_{3}(稀)=3Fe(NO_{3})_{2}+2NO\uparrow+4H_{2}O\)。 <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>
There was no reaction between sulfuric acid and sulfuric acid, so there was no equilibrium of the reaction equation. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The chemical equation of the reaction between the two substances is: NaCl2 (aq) + H2O(l). In the reaction, the two substances react in water to form a solution of NaClCl2 and water. In terms of reaction conditions, the reaction temperature was usually at room temperature (20 - 25 ° C), the concentration of the reagents was usually 10% - 20%, and the reaction time was usually 30 - 60 minutes. However, it was important to note that in the chemical equation, the same ions often could not react with new substances. From the reaction equation, the original substance was still produced, so the reaction was not obvious. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Taking the reaction of copper and sulfuric acid as an example, the reaction equation of concentrated sulfuric acid is: Cu +4HNO2 (concentrated) = Cu(NO2) 2 + 2NO2 ^+2H ^O, and the reduction product is NO2; The reaction equation of diluted sulfuric acid is: 3Cu +8HNO2 (diluted) = 3Cu(NO2) 2 + 2NO2 ^+4H ^O, and the reduction product is NO. The stronger the concentration of the acid, the stronger the ability to catalyze. This was reflected in the different reaction products. For example, the chemical equation of the reaction between concentrated sulfuric acid and carbon is: C+4HNO (concentrated) = CO2 ^+4NO2 ^+2H O; When dilute sulfuric acid and sulfur react, only S2 ions can be oxided into elemental sulfur, while when concentrated sulfuric acid and sulfur react, S2 ions can be further oxided into SO2 ions, such as 3dsS + 8HNO (diluted) = 3Cadr (NO2) 2 + 2NO2 ^+4H O + 3S. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The reaction rate of concentrated sulfuric acid with copper was faster than that of diluted sulfuric acid with copper. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
When a solution of a solution of The first was: <<Al3 +>+3AH^{->><Al3 +>>(Ox)_{3}>. At this time, a white deposit could be observed in the solution. If he continued to add the solution of the solution of the NaH solution, the reaction would occur. The white precipitations that were produced before would gradually disappear. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>