Ziyaziwa njenge ulwelo ezo iimveliso kunye nezinto ezenzeka kule meko yemicimbi. Siyazi ukuba kukho izinto ezintathu ezinokubakho: eziqinileyo, ulwelo kunye negesi. Oku kwahluka ngo isidanga sobumbano lweemolekyuli ezizenzileyo.
Kwilizwe ulwelo, i imikhosi enomtsalane phakathi kweemolekyuli zibuthathaka kunokuba ziqinile kodwa zomelele kuneegesi. Inkqubo ye- iimolekyuli ziyahamba zidibane, ukungcangcazela kunye nokutyibilika ngaphaya komnye.
Kulwelo,inani lamasuntswana ngeyunithi yeyunithi liphezulu kakhulu, ukuze ukungqubana kunye nokungqubana phakathi kwamasuntswana kuxhaphake kakhulu. Nokuba into iselulwelo, imeko eqinileyo okanye enerhasi ixhomekeke kubushushu kunye noxinzelelo lwomphunga. Kwimimandla enobushushu behlabathi, amanzi, umzekelo, ayenzeka kwimeko yolwelo.
Nangona kulwelo iimolekyuli zinokuhamba kwaye zingqubane enye nenye, zihlala zikufutshane. Njengoko iqondo lobushushu lolwelo lonyuka, amandla eemolekyuli zawo nawo ayanda.
Ngenxa yoko, ulwelo inokuhamba ikwimo yesikhongozeli sayo, kodwa azinakucinezeleka ngokulula kuba iimolekyuli sele zibotshiwe. Kungenxa yoko le nto ulwelo lungenayo imilo emiselweyo, kodwa lunomthamo. Ulwelo luxhomekeke kulwandiso kunye neenkqubo zokunciphisa.
Bona kwakho: Imizekelo eqinileyo
Ezona mpawu ziphambili zezinto ezingamanzi zibandakanya: Indawo yokubilisa, Eli liqondo lobushushu elibila kulo lize libe yimeko yegesi, oku kunikwa luxinzelelo lomphunga (olingana nolo lwendawo ejikeleze ulwelo).
Ezinye izinto eziqhelekileyo zotywala zezi:
- Inkqubo ye- uxinzelelo kumphezulu, inikwe yimikhosi enomtsalane kuzo zonke iindlela ezingaphakathi kulwelo
- Inkqubo ye- viscosity, emele umkhosi ochasayo wolwelo kulwenzeko olunobunzima (oku kubonakala kuphela kulwelo olushukumayo)
- Inkqubo ye- capillarity, Echaza indlela ekulula ngayo ukuba ulwelo lunyuke ngeetyhubhu ezinobubanzi obuncinci (ii-capillaries), apho amandla omanyano agqithiswa ngamandla okubambelela.
Ingakukhonza:
- Imizekelo yezinto eziqinileyo, ulwelo kunye negesi
- Imizekelo yelizwe iGaseous
Imizekelo yezinto ezingamanzi kwi25 ° C zezi:
- Amanzi
- Ioyile
- iparafini
- utywala ethyl
- imethanol
- I-ether ye-Petroleum
- ikloroform
- benzene
- isulfuric acid
- hydrochloric acid
- glycerin
- acetone
- iethyl acetate
- iphosphoric acid
- toluene
- acetic acid
- ubisi
- umxube weoyile etyiwayo
- isoamyl utywala
- ioli kajongilanga
