A gas (X) is obtained when copper reacts with dilute HNO3. The gas thus formed reacts with oxygen to give brown fumes of (Y). (Y) when dissolved in water gives an important acid (Z) and the gas (X). X, Y and Z respectively are ANO,NO2,HNO3 BNO2,NO,HNO3 CN2O,NO,HNO2 ...
百度试题 结果1 题目 5. Which metal reacts slowly when it is heated in oxygen? A. Iron. B. Copper. A C. Zinc. D. Calcium. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
In the following reaction, how many moles of oxygen would react with 2.0 moles of sulfur? S + O2 arrow SO2 In the following reaction, how many moles of oxygen would react with 0.15 moles of sulfur? S + O2 arrow SO2 In the equation 2KClO3 arrow 2KCl + 3O2, h...
What happens when chlorine reacts with calcium? What happens when copper carbonate is heated? Explain and answer the following questions: (a) What should be the formula for magnesium oxide? (b) What is in the crucible before you begin heating? (c) What is in the crucible after heating (...
When Cr(OH)3 reacts with NO3− to produce CrO42− and NO2−. Write the balanced equation, including states of matter, for the reduction half-reaction. Reduction Reaction: The gain of hydrogen atoms, or loss o...
ii. Smaller the size of the reactant particles, faster is the reaction. iii. The size of reactant particles is less in finely powdered zinc as compared to zinc granules. Hence, the reaction with copper sulphate takes place faster with finely powdered zinc than zinc granules. Show More ...
Write a balanced equation and indicate the states for the reaction: Zinc (s) and copper (II) nitrate (aq).Zinc reacts with phosphoric acid (H_3PO_4) as shown in Equation 2, to form zinc phosphate and hydrogen gas. 3Zn (s) +...
oxygen-free and is generated using a silane-doped argon gas that chemically reacts with oxygen. This reaction is able to decrease the oxygen partial pressure (pO2≤ 10−12mbar) down to an XHV-adequate atmosphere. The aim of this paper is to investigate the influence of oxygen in the ...
Introduction Ionic liquids (ILs) are salts with melting points lower than 100 ◦C, generally comprised of large, asymmetric organic ions. The potential of this class of liquids as lubricants was first recognized by Ye et al. in 2001 [1], who noted that ILs commonly exhibit a number of ...
sulfur (S), also spelled sulphur,nonmetallic chemicalelement belonging to the oxygen group (Group 16 [VIa] of the periodic table), one of the most reactive of the elements. How do metal carbonates react with acids? Acids react with metal carbonates or metal bicarbonatesto give out carbon diox...