Carbon dioxide is a compound where two oxygen atoms are connected to a carbon atom. 1normal temperatures it is a colorless gas that exists _2 in the Earth's atmosphere.Carbon dioxide is an important part of the carbon cycle and essential for life on Earth. Without it,3 on our planet wou...
A. material B. substance C. agent D. element 相关知识点: 试题来源: 解析 D 正确答案:D 解析:element n.(化学)元素;成分,要素material n.材料,原料;素材,资料。substance n.物质;实质;要旨,基本内容;根据,理由。agent n.代理人,代理商;(化学)剂。反馈...
Carbon dioxide is a compound made from the elements carbon (C) and oxygen (O). In fact, a part of the reason carbon dioxide is a compound is that the...Become a member and unlock all Study Answers Start today. Try it now Create an account ...
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Carbonis an element, whilecarbondioxide is a compound. 碳是一种(化学)元素, 而二氧化碳则是一种化合物. 《简明英汉词典》 Carbonrubs off on your hands. 碳会沾手. 《简明英汉词典》 Pig iron may contain 4% ofcarbon. 生铁可含百分之四的碳. ...
及“The second method of sequestration—indirect—involves the use of plants that bind CO2 by photosynthesis (光合作用) or when carbon compounds are bound in a soil environment.”(第二种间接固碳方法是利用植物通过光合作用固定二氧化碳,或利用碳化合物固定在土壤环境中。)可知,利用植物的光合作用可以间接...
Question 11An organic compound is known to contain only carbon, hydrogen and oxygen. The compound contains, by mass, 39.1% of carbon and 8.7% of hydrogen.The number of carbon atoms in the empirical formula is C A. 1 B. 2 C. 3 D. 4 ...
Answer to: What is the molecular formula for a compound that is 82.76% carbon, has a molecular mass of 58.1 g/mol, and is composed solely of carbon...
SOLUTION: The lithium secondary battery is obtained, using the electrode material, which consists of a copolymer, having an ethylene oxide unit and a propylene oxide unit, and a carbon material of which the surface of 20% or more is covered with the copolymer, and using a composing carbon ...
(including coal, petroleum, and natural gas) and is released as the harmful toxin carbon dioxide (CO2) when this kind of fuel is burned. CO2is the compound primarily responsible for the "greenhouse" effect of trapping heat within the Earth's atmosphere, and is thus one of the primary ...