When zinc reacts with hydrochloric acid, thereaction bubbles vigorously as hydrogen gas is produced. The production of a gas is also an indication that a chemical reaction is occurring. Zinc reacting with hydrochloric acid produces bubbles of hydrogen gas. ... All chemical changes involve a trans...
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 ...
34 Hydrochloric acid reacts with zinc.2HCl(aq)+Zn(s)→2nCl_2(aq)↓+H_2(g)What will increase the rate of this reaction but will not change the Boltzmann distribution of molecular energies? B1 addition of a suitable catalyst2 an increase in concentration of hydrochloric acid3 an increase ...
To prepare hydrogen gas using the metal zinc and an acid, we can follow these steps: 1. Identify the Reactants: - The metal we are using is zinc (Zn). - The acid we will use is hydrochloric acid (HCl).2. Understand the Reaction: - When zinc reacts with hydrochloric acid, it pro...
A method for preparing basic zinc chloride, a trace element additive, comprises 1) reacting zinc oxide with hydrochloric acid, wherein the mole ratio of zinc oxide to hydrochloric acid is 5:2, a certain amount of hydrochloric acid is previously diluted in 5~10 fold reaction water, then zinc...
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Zn(OH)2→ZnO+H2O (2) Basic zinc carbonate calcination method: production methods of active zinc oxide are more, Most of the low-grade zinc oxide or zinc ore as raw materials, and reaction with dilute sulfuric acid solution, made of zinc sulfate solution, the solution heated to 80~90 ℃...
Anhydrous and hydrated forms exist for zinc chloride. By using a chemical reaction, zinc chloride can be obtained through the reaction of zinc carbonate, zinc oxide,zinc sulphide, or zinc metal with hydrochloric acid Dissolution Zinc with a zinc content of approximately 99.5% is fused into liquid...
(alternatively, zinc metal) with hydrobromic acid, alternatively by the reaction between zinc metal and bromine. It is a kind of Lewis acid in organic chemistry. It can be used as the electrolyte in the zinc bromide battery. In oil and natural gas industry, its related solution can be used...
Used for wood, metal and other materials anti-corrosion, anti-rust treatment, extend the service life, for organic synthesis catalyst, improve reaction efficiency and selectivity Battery grade zinc chloride Battery grade zinc chloride As an important component of the electrolyte, improving conductivity ...