Video: Puas muaj hydrogen bonds tsim ntawm H thiab N?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hydrogen bonding yog ib hom tshwj xeeb ntawm dipole-dipole attraction nruab nrab molecules, tsis yog covalent daim ntawv cog lus rau a hydrogen atom. Nws tshwm sim los ntawm lub zog txaus nyiam nruab nrab a hydrogen atom covalently bonded rau ib tug heev electronegative atom xws li a N , O, lossis F atom thiab lwm lub atom electronegative heev.
Ua li no, dab tsi yog hydrogen atom yuav tsum tau nyob rau hauv rau hydrogen bonding tshwm sim?
Yuav kom a hydrogen bond yuav tshwm sim yuav tsum muaj ob qho tib si a hydrogen pub dawb thiab tus neeg txais khoom tam sim no. Tus pub dawb hauv a hydrogen bond yog lub atom rau qhov hydrogen atom koom nrog hauv hydrogen daim ntawv cog lus yog covalently ua phooj ywg , thiab feem ntau yog ib qho muaj zog electronegative atom xws li N, O, lossis F.
Yuav ua li cas koj xam hydrogen bonding? Qhov molecule no koom nrog 4 hydrogen bonds . Tab sis yog koj noj 100 dej molecules thiab suav ntau npaum li cas hydrogen bonds muaj ntawm lawv, cov lus teb yuav muaj txog 200 vim hais tias txhua molecules ua 2 daim ntawv cog lus . Yog hais tias koj xav txog txhua molecule ua 4 daim ntawv cog lus ces koj ob npaug suav txhua daim ntawv cog lus raug tsim thiab txais.
Yog li ntawd, Pentane puas muaj hydrogen bonding?
tshaj - pentane ; kuj tsis H - kev sib raug zoo.
Vim li cas hydrogen bonds tseem ceeb?
Hydrogen bonding yog tseem ceeb hauv ntau cov txheej txheem tshuaj. Hydrogen bonding yog lub luag hauj lwm rau dej cov kuab tshuaj tshwj xeeb muaj peev xwm. Hydrogen bonds tuav cov kab sib txuas ntxiv ntawm DNA ua ke, thiab lawv yog lub luag haujlwm rau kev txiav txim siab peb-dimensional qauv ntawm folded proteins nrog rau cov enzymes thiab cov tshuaj tiv thaiv.
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