A. A substance that donates hydroxide ions B. A substance that accepts hydrogen ions C. A substance that donates hydrogen ions D. A substance that accepts hydroxide ions 相关知识点: 试题来源: 解析 C。原因:An acid is a substance that donates hydrogen ions is mentioned in the passage.反馈...
One may of making hydrogen is a process called electrolysis, when electricity is passed through a substance to force a chemical change — in this case, splitting H2O into hydrogen and oxygen. Green hydrogenis when the energy used to power electrolysis comes from renewable sources like wind, wate...
Some scientists believe that hydrogen energy may be a cleaner, more efficient way to power our world. Hydrogen is a naturally occurring gas and the most abundant substance in the universe. (The word in Greek means “water former” because hydrogen creates water when burned.) When used alongside...
26 Based on the setup as shown in the diagram below, what is substance X most likely to be? B glass wool flame of burning soaked in water hydrogen)5四X HEAT AX is a metal below hydrogen in the reactivity series. B X is a metal above hydrogen in the reactivity series.X is an oxide...
No exact definition of an “organic” substance has been agreed upon by the chemical community and textbook definitions vary substantially. The question of what exactly constitutes an “organic” substance is explored in this paper. Various carbon-containing substances that have been by some considered...
What relationship exists between the atomic charge on the hydrogen and the EN (electronegativity) of the atom bonded to the hydrogen?In terms of hydrogen bonding, which is more stable, an A-T base pair or a G-C base pair?Which substance is capable of forming hydrogen bonds ...
Hydrogen is then introduced at pressure and agitation is used to ensure complete blending of the chemical starting material, hydrogen and catalyst particles. The process requires heat to initiate, but may become exothermic once hydrogenation has begun in earnest. The hydrogenated substance is then ...
Pure chemical compounds are substances composed of bonded molecules or ions. For example, pure water is s chemical substance since it always has the same ratio of hydrogen to oxygen. However, seawater is a mixture since it contains sand, salt, and other complex molecules. ...
This blog post explores the properties and industrial applications of hydrogen iodide, a crucial substance in various industries. Discover the significance of this compound and its role in the synthesis of organic and inorganic compounds. Hydrogen iodide, also known as hydroiodic acid, is a diatomic...
Hydrogen peroxide is water (H2O) with an extra oxygen molecule. The combination is H2O2, an unstable powerful oxidant. It is a natural substance which can be found in trace amounts in rain and snow. Rain combines with ozone in the upper atmosphere. When the two mix, the ozone (O2) lose...