The chemical equation for the reaction between hydrogen and oxygen to form water is ___. H₂+O₂→H₂O A. Two hydrogen plus one oxygen makes one water. B. Two hydrogens and one oxygen form one water. C. Two hydrogen molecules react with one oxygen molecule to form one water mol...
The chemical equation for the decomposition of hydrogen peroxide is___. A. H₂O₂=H₂+O₂ B. 2H₂O₂=2H₂O+O₂↑ C. H₂O₂=H₂O+O D. 2H₂O₂=H₂O+2O₂ 相关知识点: 试题来源: 解析 B。过氧化氢分解生成水和氧气,化学方程式为 2H₂O₂=2H₂O+O...
What is the chemical equation for the reaction? A. H₂ + CuO = Cu + H₂O₂ B. H₂ + CuO = Cu + O₂ C. H₂ + CuO = Cu + H₂O D. H₂ + Cu₂O = Cu + H₂O 相关知识点: 试题来源: 解析 C。中文解析:氢气还原氧化铜的化学方程式为 H₂ + CuO = Cu +...
In the chemical equation of the reaction between sodium (Na) and water (H₂O), the English for "aqueous solution" is _. A. Solid solution B. Gaseous solution C. A solution in which the solvent is water D. A solution in which the solvent is alcohol ...
22 The balanced chemical equation for the formation of water from its element s2H_2(g)+O_2(g)⇌2H_2O(1)\H =-570 KJ What can you deduce about the value of 570 kJ of energy? D A It is gained from the surrounding when 1 mole of water is formed B It is gained from the ...
Write the balanced chemical equation for this reaction.The reaction that occurs when an Alka-Seltzer tablet is dropped into a glass of water has sodium bicarbonate reacting with citric acid (H3C6H5O7) to make carbon dioxide, water, and sodium citrate (Na3C6H5O7). Write the balanced ...
This sometimes makes us do a bit more “back and forth” work when balancing a chemical equation.Example 1 Write and balance the chemical equation for each given chemical reaction. Hydrogen and chlorine react to make HCl. Ethane, C2H6, reacts with oxygen to make carbon dioxide and water. ...
You are given chemical equation: NaH +H2O=NaOH+H2↑,in the reaction,H2O acts as ( ) A. Oxidizing agent B. reducing agent C. not only oxidizing agent but also reducing agent D. neither oxidizing agent nor reducing agent 相关知识点: ...
What is the chemical formula for chlorite? What is the name of the base that has the formula Ba(OH)2? What is the more common name for sodium hydroxide? What is the chemical formula of lime water? What are the properties of sodium hydroxide?
Write the chemical equation for reacting sodium bicarbonate with citric acid. The equation should include the states (g, l, aq, s). What is the balanced equation for sodium hydroxide and water? What is the balanced equation for 0.60 M Phosphoric acid and 1.85 M NaOH? Write the balanced...