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Surface Chemistry Theory_E

Date post: 03-Jun-2018
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"dkn`sceudkrpcys`bs.`n"  ; BCGD@RY]P Rur hkb g Bcg d`s try @NY]JIWBY@JN 1 Rurhkbg bcgd`stry `s tckt mrknbc jh bcgd`stry wc`bc igkfs w`tc stuiy jh tcg pcgnjdgnk jbbur`nl kt tcg surhkbg jr `ntgrhkbg, `.g. kt tcg mjunikry sgpkrkt` nl twj mufe pcksgs. @n tc`s bckptgr jur dk`n gdp cks`s w` ff mg jn tcrgg `dpjrtknt tjp`bs rgfktgi tj surhkbg bcgd`stry, v`z., kisjrpt`jn, bjffj`is kni gdufs`jns.  Kisjrpt`jn 1 Ycg pc gnjdg njn jh kttr kb t` nl kni rgtk`n`n l tc g djfgbufgs jh k sumstk nbg jn tcg surhkbg jh k f` qu `ijrk sjf`i rgsuft`nl `ntj k c`lcgr bjnbgntrkt`jn jh tcg djfgbufgs jn tcg surhkbg `s bkffgi kisjrpt`jn. Ks k rgsuft jh kisjrpt` jn, tcgrg `s k igbrgksg jh surhkbg gngr ly . Ycg pr jbgssjh rgdjvkf jh kn kisjrmgi sumst knbg hrj d tcg surh kbg jn wc`bc `t `s kisjrmgi `s bkffgi igsjrpt`jn. @t `s tcg rgvgrsg jh kisjrpt`jn kni bkn mg mrjulc t km jut my cgkt` nl jr my rgiub` nl tcg p rgssurg.  Kisjrmgnt kni kisjrmktg 1 Ycg sumstknbg jn tcg surhkbg jh wc`bc kisjrpt`jn jbburs `s enjwn ks kisjrmgnt. Ycg sumstknbgs tckt lgt kisjrmgi jn tcg sjf`i sur hkbg iug tj `nt grdjfgbufk r ktt rkbt`jns krgbkffgi kisjrmktg. Bckrbjkf, s`f`bk, lgf, kf ud`nk lgf krg ljj i kis jrm gnts mgbkusg tcg y ckvg c`l cfypjrju s str ubt urgs knickvg fkrlg surhkbg krgk. Bjffj`is jn kbbjunt jh tcg`r gxtrgdgfy sdkff i`dgns`jns pjssgss gnjrjdjus surhkbg kr gk pgr un`t dkss kni krg , tcgr ghj rg, kf sj ljji kisjrmg nts. Gxkdpfgs jh kisjrpt`jn 1  Kisjrpt`jn jh k lks my bckrbjkf 1 H`ngf y i` v` igi kbt` vk tgi bckr bjkf cksk tgnignb y tj kisjr m k nudmg r jh lks gs f`eg kddjn`k, suf pcur i` jx`ig, bcf jr` ng, pcj slgng, gtb. @n tc` s bksg, bckrbjkf kbts ks kn kisjrmgnt wc`fg lks dj fgbufg s kbt ks ki sjrm ktg.  Kisjrpt`jn jh k iyg my bckrbjkf 1  Kn`dkf bckrbjkf `s usgi hjr igbjfjur`s`n l k nudmgr jh jrlkn`b sumstknbgs `n tcg hjrd jh tcg`r sjfut`jns. Ycg i`sbckrlg jh tcg bjfjur `s iug tj tcg hkbt tckt tcg bjfjurgi bjdpjngnt (lgngrkffy kn jrlkn`b iyg) lgts kis jrmgi jn tcg surh kbg jh tcg kis jrmgnt (kn `dkf bck rbjkf ).  Rjrpt`jn 1  \cgn mjtc kisjrpt`jn kni kmsjrpt`jn tkeg pfkbg s`duftkngjusfy. Gl 1  Iygs lgt kisjrmgi ks wgff ks kmsjrmgi `n tcg bjttjn h`mrg `.g. sjrpt`jn tkegs pfkbg. I`hhgrgnbg mgtwggn kisj rpt`jn kni kmsjr pt`jn 1 Ycg tgrds kisjrpt`jn kni kmsjrpt`jn krg i`hhgrgnt. Kisjrpt`jn `s k pcgnjdgnjn `n wc`bc tcgrg `s c`lcgr bjnbgntrkt`jn jh knjtcgr sumstknbg jn tcg surhkbg tckn `n tcg mufe. Jn tcg jtcgr ckni, kmsjrpt`jn `s k pcgnj dgnjn `n wc`bc tcg djfgbufgs jh k sumstknbg krg un`hjrdfy i`str` mutgi tcrjul cjut tcg mjiy jh jtcgr sumstknbg. Hjr gxkdpfg , wcgn s`f`bk lgf `s pf kbgi `n tcg gnv `rjndgn t jh wkt gr , `t kisjrms tcg wkt gr vkp jur. Ycg wktgr vkpjur krg prgsgnt `n c`lc bjnbgntrkt`jn kt tcg surhkbg jh s`f`bk lgf. Jn tcg jtcgr ckni, wcgn bkfb`ud bcfjr`ig `s pfkbgi `n tcg gnv`rjndgnt jh wktgr, `t kmsjrms wktgr. Ycg wktgr vkpjur un`hjrdfy lgt i`str` mutgi tcrjul cjut tcg mjiy jh bkfb` ud bcfjr` ig. Ycus, s`f `bk lgf kis jrms wk tgr vkp jur wc` fg kncy irjus bkfb` ud bcfjr`ig kmsjrm s wktgr. Ycg `dpjrtknt pj`nts jh i`st`nb t`jn mgtwggn kisjrpt`jn kni kmsjrpt`jn krg 1 Kmsjrpt`jn Kisjrpt`jn  @t `s tcg pcgnjdgnjn `n wc` bc tcg pkr t`bfgs @t `s tcg pcgnjdgnj n jh c`l cgr bjnbgn trkt`j n jh lks jr f`qu`i lgt un`h jrdfy i` st r`mutgi jh lks jr f`qu`i jn tcg surhkbg tckn `n tcg mufe tcrjulcjut tcg mjiy jh tcg sjf`i. jh tcg sjf`i.  Ycg bjnbgntr kt `j n `s tcg skdg tcrjul cj ut Ycg bjnbgn tr kt `j n jn tc g surh kbg jh tcg tcgdktgr`kf. Ycgrghjrg, `t `s k mufe pcgnjdgnjn. kisjrmg nt `s i` hhgrgn t (cks c` lcgr bjnbgntrkt`jn) hrjd tckt `n tcg mufe.Ycg rgh jrg, `t `s k surhkbg pcgnjdgnjn.   Kmsjrpt`jn jbburs kt un`hjrd rktg. Kisjrpt`jn `s rkp`i `n tcg mgl`nn`nl kni `ts rktg sfjwfy igbrgksgs.
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