题目What is the product of the reaction between hydrogen and oxygen? A. Nitrogen B. Carbon dioxide C. Water D. Chlorine 相关知识点: 试题来源: 解析 C。氢气和氧气反应生成水。氮气、二氧化碳和氯气都不是氢气和氧气反应的产物。反馈 收藏
___up water___hydrogen and oxygen is a good example of___is known as___ change. A B C D Paper Two Part I Translation (30 minutes, 20 points) Section A Directions: Translate the following passage into Chinese. Write your translation on theANSWER SHEET. Engineers are developing a new ...
第1题 The two elements water is made are oxygen and hydrogen.A、that B、which C、of which D、with which 第2题 The crime was discovered till 48 hours later,gave the criminal plenty of time to get away.A、which B、that C、so D、what 第3题 The International Studies University,in 1951...
What does wood combine with when it burns? A. Nitrogen and oxygen. B. Hydrogen and oxygen. C. Carbon dioxide and water vapor. D. Oxygen to produce carbon dioxide, water vapor, and heat. 相关知识点: 试题来源: 解析 D。解析:文章中提到木材燃烧时与氧气结合,产生二氧化碳、水蒸气和热量。A ...
Water consists of hydrogen and oxygen both elements consist of 翻译结果3复制译文编辑译文朗读译文返回顶部 Water is composed of hydrogen and oxygen are two elements 翻译结果4复制译文编辑译文朗读译文返回顶部 Water from the hydrogen-oxygen element ...
The reaction between hydrogen and oxygen produces water. What is the correct balanced equation? A. H₂ + O₂ = H₂O B. 2H₂ + O₂ = 2H₂O C. H₂ + 2O₂ = 2H₂O D. 2H₂ + 2O₂ = 4H₂O 相关知识点: ...
: a welding blowpipe using oxygen and hydrogen The Ultimate Dictionary Awaits Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged. Expanded definitions Detailed etymologies Advanced search tools All ad-free Discover what makes Merriam-Webster Unabridged the essential ...
because most of the extremely important chemical reactions that happen in plants and animals can only take place in the presence of water.And water is very common.In fact,the elements(元素)that make up water(hydrogen and oxygen)are the first and third richest chemicals i...
oxygen and hydrogen. ⑤This is inefficient and expensive, but costs are falling. ⑥Hydrogen can also be made from dirty fossil fuels but this emits a lot of pollution unless it is coupled with technologies that capture carbon andsequesterit. ⑦Hydrogen is flammable andbulkycompared with many ...
What’s more, he added, an Azure datacenter outfitted with fuel cells, a hydrogen storage tank and an electrolyzer that converts water molecules into hydrogen and oxygen could be integrated with the electric power grid to provide load balancing services. ...