Hydrogen is an important element in the study of chemistry and has many potential applications in the future. 1. Hydrogen is a very ___ gas. A. heavy B. light C. dense D. hard 相关知识点: 试题来源: 解析 B。解析:文章中明确提到 Hydrogen is a very light gas.。反馈 收藏 ...
根据第一段第四句“Butsomethingsrequiremoreenergy, andcan'tbechangedovertoelectricitysoeasily.(但是有些事情需要更多的能量,而且不能很容易地转化为电能)”和第五句“Buthydrogencouldbeusedinmanyofthesecases.(但是氢气可以用于这些情况)”可知,氢气的使用范围更广。故选C。13.【答案】A【解析】题干意思是:...
Hydrogen is the first element on the periodic table. It is a very light gas with unique properties. Hydrogen has a low density and is colorless, odorless, and tasteless. It is highly flammable and can react explosively with oxygen. Hydrogen has many important uses. It is used as a fuel ...
airon (ferrous) hydroxide would react with water and oxygen [translate] athis is really a rigorous customer 这真正地是一名严谨顾客 [translate] a(OH)2 [translate] aathode, hydrogen gas is released from the water contained in the electrolyte. [translate] ...
Hydrogen is a clean alternative to methane and is the most abundant chemical element, estimated to contribute 75% of the mass of the universe. Find out why hydrogen is important as a future clean energy source to fuel our homes and businesses.
avalmouth valmouth[translate] aelongation lo=5do 伸长lo=5do[translate] ago to homeork 去homeork[translate] ago to homework 去家庭作业[translate] aHydrogen is the only gas that dissolves in an aluminum melt. 氢是在铝融解溶化的唯一的气体。[translate]...
You'll get a detailed solution that helps you learn core concepts.See AnswerQuestion: hydrogen is a real gas under what condition do you expext it to deviste from ideal gas behavior? hydrogen is a real gas under what condition do you expext it to deviste from ...
PROBLEM TO BE SOLVED: To provide a gas reforming system which generates hydrogen being a fuel of a fuel cell by subjecting a raw material to be reformed to a prescribed reforming reaction treatment and can be miniaturized as the whole system so that it can be used as a reforming system ...
Hydrogen is a highly flammable chemical element. Commonly found throughout the universe, hydrogen actually makes up almost...
Hydrogen (H) is the first element on the periodic table and is the most abundant gas in the known universe. Each atom of hydrogen consists of only one proton. Despite this, there is no natural hydrogen produced on Earth as it is only found in a combined form. Water (H2O), for ...