When sodium reacts with water, it produces hydrogen gas. What is the other product? A. sodium hydroxide B. sodium oxide C. sodium chloride D. sodium sulfate 相关知识点: 试题来源: 解析 A。钠与水反应生成氢氧化钠和氢气。反馈 收藏
In this McKinsey Explainer, we look at what hydrogen energy is and explore some of the current challenges that are preventing wide-scale adoption.
In the experiment of preparing hydrogen gas, the yield is low. What can be done to improve? A. Use a larger container B. Reduce the amount of reactants C. Purify the reactants D. Improve the sealing of the device 相关知识点: ...
题干中的the principal constituent of与原文中的consists primarily of属于同义转换,所以consists primarily of后面的methane and other hydrocarbon gases即是本题的答案所在,故本题答案为B 。 正确答案:B 解析:本题提问天然气的主要成分。题干中的the principal constituent of与原文中的consists primarily of属于同义...
In part 1 of a series on hydrogen in Europe, we cover hydrogen basics, its relevance, its various colors, and the impact of decarbonization regulation.
(H2O) into hydrogen (H2) and oxygen (O2) using electricity. This process, called water electrolysis, is a promising option for carbon-free hydrogen production since the electricity can be sourced from nuclear or renewable energy, such as wind and solar. Scientists and engineers are working to ...
7 At room temperature and pressure, H2O is a liquid and H2S is a gas.What is the reason for this difference?C A O has higher first and second ionisation energies than S. B The covalent bond between O and H is stronger than the covalent bond between S and H. C There is significant...
Hydrogen is a colorless gas what releases large amount of energy when it burns.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
Hydrogencan be produced from a variety of resources, such as natural gas, nuclear power,biogasandrenewable powerlike solar and wind. The challenge is harnessing hydrogen as a gas on a large scale to fuel our homes and businesses. Why is hydrogen important as a future clean energy source?
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