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 ...
The influence of CnTAB cationic surfactant chain length (n = 8, 10, and 12) on the reaction rate of zinc powder and 0.1 M HCl hydrochloric acid in aqueous solutions was determined at room temperature. Solutions of single surfactants consisting of dodecyl, decyl, and octyl鈥恡rimethyl銈沵...
2. Understand the Reaction: - When zinc reacts with hydrochloric acid, it produces zinc chloride (ZnCl2) and hydrogen gas (H2). - The general reaction of a metal with an acid can be represented as:Metal+Acid→Salt+Hydrogen gas3. Write the Chemical Equation:...
The corrosion of zinc in an oxygenated hydrochloric acid electrolyteillustrates the effect of multiple cathodic reactions. Whatever the cathodic reaction, the anodic reaction is always the oxidation of zinc: Zn -> Zn2++ 2e. Zinc is a metallic conductor and electronic transfer to its cathodic regio...
Write the balanced chemical equation for the reaction of zinc metal and hydrochloric acid to produce hydrogen gas and zinc chloride. (a) Write the full molecular equation for the reaction of aqueous zinc nitrate with aqueous potassium hydroxi...
Step 2: Write the Chemical EquationThe reaction can be represented by the following chemical equation:Zn(OH)2(s)+HCl(aq)→ZnCl2(aq)+H2O(l) Step 3: Recognize the Type of ReactionThis is an acid-base neutralization reaction. Zinc hydroxide acts as a base, and hydrochloric acid acts as an...
Zinc metal is placed into a solution of 3.0 M hydrochloric acid. a.Write a balanced chemical equation to describe this reaction. b.What type of reaction is this? c.What is the net ionic equation?What is the net ionic equation for the reaction of magnesium nitrate solution with silver ...
aadded during 20 minutes to concentrated hydrochloric acid (80 ml.) and water (20 ml.) containingamalgamated zinc (80 g.), and the reaction completed by heating the mixture under reflux for 10 minutes.The hot liquid was then decanted, the residual amalgam was washed with hot methanol (100...
Wet method. Zinc sulfate and sulfuric acid reaction to get zinc sulfate, and then reaction with sodium carbonate and ammonia respectively, the obtained zinc carbonate and zinc hydroxide were used as raw materials to produce zinc oxide.The reaction equation is as follows: ...
The normal soak cleaning, electrocleaning, and hydrochloric acid treatment used in preparing the bare steel for zinc plating will seriously attack/dissolve/remove the galvanizing. I suspect that a standard but robust cleaning cycle would remove at least 50 µm, but exactly how much thickness ...