Oygen is more electronegative (EN = 3.5) than hydrogen (EN 2.1) hence, O- H bond is polar. In the water molecule, two polar O-H bonds are present which are held together at an angle of 104.5^(@). Due to the resultant of these two dipoles, water molecul
At some point, the water inside you would have been inside dinosaurs, bacteria, the oceans, storm clouds, the polar ice caps and much more. 水。你可能看不到它,但这可能是宇宙中最奇怪的事情,原因如下。地球上、你体内或任何其他生物体内的每一个水分子都已经存在了数十亿年。水来到地球后,一直在...
Why is water polar? Why is the taiga biome important? Why is the Arctic poppy important in the tundra biome? How might global warming affect the Canadian Arctic? Why is the Indian Ocean warming consistently? How does the carbon cycle effect the Arctic Ocean?
How do hydrogen bonds affect the surface tension of water? Why are partial charges in covalent molecules important? How does the polar property of water relate to cohesion? How does the polar property of water relate to adhesion? What is the reason why hydrocarbons are not soluble in water?
例句2)Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽,这就叫做蒸发. 解析:which是关系代词,指代前面的一句话:液态水变为蒸汽. who做主语很称职,whom用到宾语里; 先行词是表示人的词,定语从句中如果缺主语,要用who做关系代词,如果缺宾语,正规场合下用whom, 口语中也可以用who...
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Water molecules cling to cellulose and climb along it through a process called capillary action — cellulose can even defy gravity in order to pull the water along its surface. Because water is a polar molecule, meaning one side of it holds a more positive charge and the other end a more ...
Is oh a polar covalent bond? A molecule which has one or more polar covalent bonds may have a dipole moment as a result of the accumulated bond dipoles. In the case of water, we know that theO-H covalent bond is polar, due to the different electronegativities of hydrogen and oxygen. ...
Experts warn that without intervention(干预), this city will disappear back into the water at an even faster rate, consumed by rising sea level from melting polar ice caps.Machu PicchuThese iconic ruins have drawn adventurous tourists into the mountains of South America.The forces of natural ...
Why is CH_3CH_2OH a better solvent than H_2O? Why is water less dense as a solid? What makes water such an attractive recrystallizing solvent, especially when done on a large industrial scale? Why do non-polar substances not dissolve in water?