Hydrochloric acid is the reducing agent C. Zinc is oxidized D. Hydrogen in hydrochloric acid is oxidized 相关知识点: 试题来源: 解析 C。解析:反应方程式为Zn + 2HCl = ZnCl₂+ H₂↑。锌的化合价从0升高到 + 2,根据氧化还原反应电子转移的本质,化合价升高的锌失去电子被氧化。反馈 收藏 ...
V2O5+ Zn +6HCl =2VOCl2+ ZnCl2+3H2O. Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents when a non-ideal amount of each substance is used, you can use thelimi...
To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above. Enter any known value for each reactant. The limiting reagent will be highlighted in red. Theoretical yields of ...
This investigation intends to explore the effects that the concentration of reactants has on the rateof a reaction between zinc and hydrochloric acid. Solid zinc will be placed in varyingconcentrations of hydrochloric acid solution, and the rate of disappearance of the acid will bemonitored and ...
Zn+2HCl→ZnCl2+H2 Which of the following methods can be used to increase the rate of reaction. a) Larger Zn pieces are used b) Concentration of HCl is increased. c) Powdered Zn is used. d) Concentration of HCl is decreased. View Solution ...
Predict the product of the reaction: Zn(s)+HCl(aq)→ Single-Displacement Reaction:A single-displacement reaction occurs when a compound is displaced by a highly reactive element, leading in the formation of a new compound. The displaced element exists in elemental form. This kind of re...
Zn+HCl→ZnCl2+H2. Question:Explain how to find the oxidation numbers for Zn+HCl→ZnCl2+H2. Displacement Reaction:In this example of a single-displacement reaction, the lone element (zinc) displaces the on of the ions on a salt (hydrogen cation) to form a new salt an...
Identify (A), (B) and (C ) in the following reaction sequence. C6H5OH(A)−−→C6H6(B)−−→C6H5NO2(C)−−→Azobenzene A(A) = Naoh = CaO, (B) = conc. H2SO4+ conc.HNO3,60−70∘C, (C) = glucose + NaOH B(A) = Zn power, (B) = conc. H2SO4 + Conc....
Forum:Biology and Chemistry Homework Help B Net ionic equations (NaOH; HCl; H2O) Hi, I completed a Grade 12 experiment and now I am doing some calculations about it but I am confused. Here is the question: "Write the net ionic equation for each reaction, and note the value of ΔH fo...
The reverse reaction is catalysed by organotin chlorides of high Lewis acidity. These retardation effects are a pure consequence of the partial and random reversible thermal decomposition of PVC; they do not result from the configurational rearrangement by the readdition reaction nor by the internal ...