Kimia

Izinzuzo zeKhemistri Yokuhlaziya: Ukubheka Ngokujulile Ukusetshenziswa Kwayo kanye Nomthelela Ekuphileni Isingeniso Ikhemistri Yokuhlaziya iyigatsha lekhemistri eligxile ekuhlaziyweni kokwakheka kwezinto. Indlela yekhemistri yokuhlaziya ihlanganisa amasu okulinganisa kanye nokwaba izinto zamakhemikhali kumasampula. Ukusetshenziswa kwekhemistri yokuhlaziya kukhulu futhi kunomthelela omkhulu ezicini ezahlukene zokuphila kwanamuhla, kusukela embonini... Funda kabanzi

Umphumela Wezinga Lokushisa Esilinganisweni Sokusabela Isingeniso Ukusabela kwamakhemikhali kuyinqubo lapho into eyodwa noma ngaphezulu (ama-reactant) iguqulwa ibe yinto eyodwa noma ngaphezulu (imikhiqizo). Le nqubo ihilela izinguquko zamandla kanye nokuhlela kabusha kwezibopho zamakhemikhali. Esinye sezici eziyinhloko ezithinta izinga lokusabela kwamakhemikhali izinga lokushisa. Ukuqonda ukuthi izinga lokushisa lithinta kanjani izinga lokusabela kubalulekile… Funda kabanzi

Izindlela Zokusabela ze-SN1 kanye ne-SN2 Ukusabela kokushintsha kwe-Nucleophilic kuyindlela evamile yokusabela kwamakhemikhali kumakhemikhali e-organic. Kuhilela ukushintshwa kweqembu elilodwa elisebenzayo nelinye ngaphakathi kwe-molecule efanayo. Izindlela ezimbili eziyinhloko ezilawula ukusabela kokushintsha kwe-nucleophilic yi-SN1 (ukusabela kokushintsha kwe-nucleophilic nucleophilic) kanye ne-SN2 (ukusabela kokushintsha kwe-nucleophilic nucleophilic bimolecular). Ukuqonda umehluko phakathi kwalezi zindlela… Funda kabanzi

Indlela Yokufunda Ithebula Lezikhathi Ithebula lezikhathi lingenye yamathuluzi ayisisekelo futhi abalulekile kakhulu kumakhemikhali. Ngokuqonda ukuthi ungalifunda kanjani ithebula lezikhathi, uzokwazi ukuqonda izici, ukuziphatha, kanye nobudlelwano phakathi kwezinto. Kwabaqalayo, ukubheka ithebula lezikhathi, eligcwele izinombolo nezimpawu, kungaba yinto edidayo. Kodwa-ke, ngencazelo eningiliziwe kanye nesikhathi esincane, ungakwazi… Funda kabanzi

I-Valence Bond Theory I-Valence Bond Theory iyinkolelo-mbono echaza ukuthi ama-athomu ahlangana kanjani ukuze akhe ama-molecule. Le nkolelo-mbono idlala indima ebalulekile kumakhemikhali, kokubili ekuqondeni isakhiwo sama-molecule nasekuchazeni ukusabela kwamakhemikhali. Lesi sihloko sizoxoxa ngesisekelo senkolelo-mbono, izimiso eziyinhloko, kanye nokusetshenziswa okubalulekile kwe-Valence Bond Theory. Isingeniso ku-Valence Bond Theory… Funda kabanzi

Indima Yekhemistri Kwezokwelapha: Uguquko Nokusetshenziswa Ikhemistri iwukufunda izinto kanye nezinguquko ezidlula kuzo. Kwezokwelapha, ikhemistri idlala indima ebalulekile ekuqondeni izinqubo zezinto eziphilayo, ekuthuthukiseni izidakamizwa, nasekuklameni izinqubo zokuxilonga nokwelapha. Njengoba ubuchwepheshe buthuthuka, ukusetshenziswa kwekhemistri kwezokwelapha kuya ngokuya kuba nzima futhi kuyinkimbinkimbi, okunikeza izixazululo ezisebenzayo neziphephile kakhulu... Funda kabanzi

Izinsimbi Zomhlaba Ezine-Alkaline Izinsimbi zomhlaba ezine-alkaline ziyiqembu lezinto ezisetafuleni le-periodic elitholakala kukholomu yesibili, noma eqenjini lesi-2. Zakhiwa yizinto eziyisithupha: i-beryllium (Be), i-magnesium (Mg), i-calcium (Ca), i-strontium (Sr), i-barium (Ba), kanye ne-radium (Ra). Insimbi ngayinye inezakhiwo eziningana zamakhemikhali nezomzimba ezihlukanisa kwezinye izinto, … Funda kabanzi

Indlela Yokuthola Izinombolo Zokuxoxisana Ukuqonda izinombolo zokuxoxisana (noma izimo zokuxoxisana) umqondo obalulekile kumakhemikhali osisiza siqonde ukusabela kwamakhemikhali, ikakhulukazi ukusabela kwe-redox. Izinombolo zokuxoxisana yinani lama-electron okumele engezwe noma asuswe ku-athomu ukuze alishintshele esimweni salo somhlabathi. Kulesi sihloko, sizohlola ngokujulile ukuthi singanquma kanjani... Funda kabanzi

Indlela Yokuhlaziya I-Gravimetric: Izimiso, Izinqubo, kanye Nokusetshenziswa Isingeniso Ukuhlaziywa kwe-gravimetric kuyindlela yokuhlaziya amakhemikhali ehilela ukulinganisa isisindo sento ukuze kutholakale ukuhlushwa kwayo kusampula. Le ndlela ibalulekile emikhakheni ehlukahlukene, kufaka phakathi i-chemistry yokuhlaziya, imithi, i-chemistry yemvelo, kanye nemboni yokudla. Lesi sihloko sizobuyekeza izimiso eziyisisekelo zokuhlaziywa kwe-gravimetric, izinqubo ezivamile ezisetshenziswa... Funda kabanzi

Umsebenzi Wama-Enzyme Ekuphenduleni Kwamakhemikhali Ezinto Eziphilayo Isingeniso ——— Ama-Enzyme angama-biomolecule amaprotheni asebenza njengezinto ezibangela ukusabela kwamakhemikhali. Asheshisa izinga lokusabela ngaphandle kokushintsha okuhlala njalo enkambisweni. Ama-Enzyme adlala indima ebalulekile ezinqubweni ezahlukahlukene zamakhemikhali ezenzeka emizimbeni yezinto eziphilayo. Lesi sihloko sizoxoxa ngomsebenzi wama-enzyme ekuphenduleni kwamakhemikhali, okuhlanganisa nendlela… Funda kabanzi