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| 在纯的甲醇中，甲醇形成二聚体的形成，随着水的加入形成OH-O-H氢键，从而破坏了较弱的甲醇二聚体形成的氢键。理论计算的甲醇二聚体的氢键为N，小于水分子与甲醇形成的氢键，所以也证明了甲醇更容易与水形成氢键。 |
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doudounba(金币+10,VIP+0): 9-19 14:35
doudounba(金币+10,VIP+0): 9-19 14:35
| In a system of pure methanol, a dimer of methanol is formed. Along with the addition of water, the dimer's hydrogen bond is broken due to the formation of stronger hydrogen bond between water and methanol. The theoretically calculated value of hydrogen bond for the methanol dimer is N, less than that between water and methanol, which confirms the tendency of the H-bond formation between methanol and water. |
2楼2009-09-14 16:09:09
yuyang031985
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doudounba(金币+5,VIP+0): 9-19 14:35
doudounba(金币+5,VIP+0): 9-19 14:35
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In a system of pure methanol, a dimer of methanol is formed. Along with the addition of water, the hydrogen bonds of the methanol dimer are broken due to the formation of stronger hydrogen bonds between water and methanol. The theoretically calculated value of hydrogen bond for the methanol dimer is N, and that less than that between water and methanol, which confirms the tendency of the H-bond formation between methanol and water. 楼上的不错，做了点小修改 |
3楼2009-09-14 22:38:38