Reaction equation and phenomenon of excess iron and concentrated sulfuric acid
Iron reacted with concentrated sulfuric acid. If there was an excess of concentrated sulfuric acid, the reaction equation was: Fe6 HNO2 (concentrated)= heating = Fe3 (NO2)+3NO2 ^+3H2 O. If there is an excess of iron, the reaction equation is: Fe4 HNO2 (concentrated)= heating = Fe2 (NO2) 2 + 2NO2 2 + 2H2 O. [Phenomenon: The reaction produces reddish-brown gas (NO <2>), and the iron is gradually dissolved.] At the same time, the color of the solution may vary according to the relative amount of iron and sulfuric acid and the degree of reaction. If the solution is formed, it may be brownish-yellow, and if the solution is formed, it may be light green. Read more exciting novels for free
Reaction equation of concentrated and diluted sulfuric acid with iron
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>
How to write the reaction equation of sulfuric acid and iron excess
1. 当铁与过量浓硫酸反应时： - 反应方程式为\(2Fe + 6H_{2}SO_{4}(\text{热、浓})=Fe_{2}(SO_{4})_{3}+3SO_{2}\uparrow+6H_{2}O\)。 2. 随着反应进行，浓硫酸变稀后，过量的铁会继续与稀硫酸反应： - 反应方程式为\(Fe + H_{2}SO_{4}=FeSO_{4}+H_{2}\uparrow\)。 <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>
Reaction equation of concentrated sulfuric acid and sulfuric acid ester
Under normal conditions, ester and concentrated sulfuric acid would not react, so there was no reaction equation. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What does the reaction of excess iron and concentrated sulfuric acid mean?
The reaction between excess iron and concentrated sulfuric acid meant that the amount of iron was sufficient for concentrated sulfuric acid. From the nature of the reaction, iron and concentrated sulfuric acid would undergo a "passive" phenomenon at room temperature, that is, a dense oxide-film formed on the iron surface to prevent the reaction from proceeding further. However, the reaction could continue under heating and other conditions. When iron reacted with concentrated sulfuric acid, as the amount of iron increased (in excess), more iron would participate in the reaction. Iron reacted with concentrated sulfuric acid to produce products such as iron nitrates. If there was an excess of iron, the excess iron would further react with the generated iron nitrates to reduce the iron nitrates. The final product might contain both iron nitrates and iron nitrates. In addition, there would also be nitrogen dioxide gas produced during the reaction of iron and concentrated sulfuric acid. The reaction situation was relatively complicated and involved the process of oxido-reduction reaction. The valency of the iron element would change during the reaction. The chemical valency of the nitrogen element in the sulfuric acid would also change. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Phenomenal equation of heating reaction between iron and concentrated sulfuric acid
The chemical equation for the reaction between iron and concentrated sulfuric acid is: Fe6HNO2 (concentrated)= heating = FeNO2 + 3NO2 + 3H2O. The reaction phenomenon was that reddish-brown gas (NO <2>) was produced and the iron gradually dissolved. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What is the equilibrium phenomenon of the reaction equation of sulfuric acid and sulfuric acid?
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>
What is the reaction equation of concentrated sulfuric acid and iron powder at room temperature?
The reaction between concentrated sulfuric acid and iron powder at room temperature would result in a passive phenomenon, which was to form a layer of dense oxygen film on the iron surface to prevent the reaction from proceeding further. There was no reaction equation. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The chemical equation and phenomenon explanation of the reaction between sulfuric acid and sulfuric acid
The chemical equation for the reaction between sulfuric acid and zinc-nitrates was: Mn (NO3)2 + H2SO4 ==== ZnSO4 + 2HNO3. Regarding this reaction phenomenon, the reference materials did not give a relevant explanation, so it was impossible to give an accurate answer. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The equation of the reaction between cuprous chlorideand concentrated sulfuric acid
The chemical equation for the reaction of cuprous chloride-concentrated sulfuric acid is: CuCl2 = H(CuCl2). There were also opinions that the reaction equation was cucl +2hci = h2(cucl3), and there were opinions that cuprous chlorideand concentrated sulfuric acid did not react. The reason why cuprous chloridecould be dissolved in concentrated sulfuric acid was because of the formation of a complex. The resulting solution should be colorless, but it often had a brown color when placed in the air. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Reaction equation for preparing concentrated sulfuric acid and nitrogen gas
Based on context alone The concentrated sulfuric acid could not be used for the preparation of hydrogen. Because hydrogen is an basic gas, concentrated sulfuric acid is volatile and acidic. When the two meet, a reaction will occur: <anno data-annotation-id ="cdf10000 - 4c00 - 4c10 - 4c10-a100-a11111110000"></anno>(the reaction phenomenon is to produce a large amount of white smoke), rather than being used to prepare hydrogen. The laboratory usually uses a solid mixture of lithium monium and lithium monium to heat up to prepare hydrogen. The reaction equation is [2NH4] Cl2 + CaCl2][2][3][4][4][5][6][7][8][8][9][9][ CaCl_{2}+2H_{2}O + 2NH_{3}\uparrow\)。 <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>