Cov lus nug piv txwv txog Hydrocarbons Kev Taw Qhia: Hydrocarbons yog cov tshuaj sib xyaw ua ke uas muaj cov ntsiab lus carbon (C) thiab hydrogen (H). Lawv yog cov khoom tseem ceeb ntawm roj av thiab roj av thiab ua lub luag haujlwm tseem ceeb hauv ntau yam txheej txheem kev lag luam thiab kev siv txhua hnub. Hydrocarbons raug muab faib ua ob pawg tseem ceeb: aliphatic thiab aromatic. Aliphatic compounds raug muab faib ua ... Nyeem ntxiv
Feem pua hauv Cov Ntaub Ntawv Pawg: Kev Nkag Siab thiab Kev Siv Cov ntaub ntawv suav lej yog ib qho tseem ceeb ntawm kev tshuaj xyuas cov ntaub ntawv, siv dav hauv ntau qhov chaw xws li kev lag luam, kev nyiaj txiag, kev noj qab haus huv, thiab kev sib raug zoo hauv zej zog. Ib lub tswv yim feem ntau siv hauv kev suav lej los piav qhia cov ntaub ntawv yog feem pua. Ib feem pua yog tus nqi uas faib cov ntaub ntawv ua ib puas feem sib npaug. Hauv ... Nyeem ntxiv
Cov Lus Nug Piv Txwv Sib Tham Txog Feem Pua Huv Si Feem pua ntawm kev huv si, lossis qib kev huv si ntawm ib yam khoom, yog ib qho tseem ceeb hauv ntau ceg ntawm kev tshawb fawb, tshwj xeeb tshaj yog kev tshuaj xyuas, tshuaj, thiab kev lag luam chemistry. Tsab xov xwm no yuav tham txog lub tswv yim ntawm feem pua ntawm kev huv si thiab muab cov lus nug piv txwv nrog cov lus piav qhia kom cov nyeem ntawv tuaj yeem nkag siab zoo dua yuav ua li cas xam thiab siv lub tswv yim no hauv ... Nyeem ntxiv
Cov Quartiles ntawm Cov Ntaub Ntawv Muab Pawg Taw Qhia Cov ntaub ntawv suav, ua ib ceg ntawm kev tshawb fawb uas cuam tshuam nrog kev sau, kev tshuaj xyuas, kev txhais lus, kev nthuav qhia, thiab kev teeb tsa cov ntaub ntawv, muaj ntau lub tswv yim tseem ceeb uas pab txiav txim siab los ntawm cov ntaub ntawv. Ib lub tswv yim tseem ceeb hauv kev tshuaj xyuas cov ntaub ntawv yog quartiles. Quartiles pab nkag siab txog kev faib cov ntaub ntawv thiab yuav ua li cas cov ntaub ntawv raug muab pawg. Hauv tsab xov xwm no, peb yuav… Nyeem ntxiv
Cov Lus Nug Piv Txwv Feem Pua Feem Pua yog lub tswv yim siv ntau hauv ntau yam kev qhuab qhia, suav nrog chemistry, kev lag luam, thiab kev lag luam. Hauv chemistry, feem pua ntawm cov khoom yog hais txog kev sib piv ntawm cov khoom tiag tiag ntawm kev tshuaj lom neeg thiab cov khoom theoretical uas tuaj yeem tau txais hauv qab cov xwm txheej zoo tagnrho. Hauv kev lag luam thiab kev lag luam, feem pua ntawm cov khoom feem ntau yog siv los xam qhov ua tau zoo ntawm kev tshuaj tiv thaiv.
Cov Quartiles ntawm Ib Qho Ntaub Ntawv: Kev Saib Xyuas Kom Zoo Dua ntawm Kev Faib Tawm Cov Ntaub Ntawv hauv Kev Txheeb Xyuas Ib qho ntawm cov tswv yim tseem ceeb hauv kev txheeb xyuas yog kev faib cov ntaub ntawv ua quartiles. Quartiles yog siv los nkag siab txog kev faib tawm cov ntaub ntawv kom ntxaws dua li tsuas yog saib ntawm qhov nruab nrab lossis qhov nruab nrab. Hauv tsab xov xwm no, peb yuav tham txog cov quartiles ntawm ib qho ntaub ntawv, yuav ua li cas xam lawv, thiab lawv daim ntawv thov hauv… Nyeem ntxiv
Cov Lus Nug Piv Txwv Txog Kev Txwv Reagent Kev Taw Qhia Hauv chemistry, ib qho ntawm cov ntsiab lus tseem ceeb uas feem ntau tham txog yog cov tshuaj txwv. Cov tshuaj txwv yog cov khoom hauv cov tshuaj tiv thaiv uas yuav siv ua ntej thiab, yog li, txiav txim siab qhov ntau ntawm cov khoom uas tuaj yeem tsim tawm. Kev nkag siab txog cov tshuaj txwv yog qhov tseem ceeb vim nws pab peb kwv yees qhov tshwm sim ntawm kev tiv thaiv. Nyeem ntxiv
Kev suav lej yog ib ceg ntawm kev lej uas cuam tshuam nrog kev sau, kev tshuaj xyuas, kev txhais lus, thiab kev nthuav qhia cov ntaub ntawv. Hauv theem tsev kawm ntawv theem siab, kev suav lej yog ib feem tseem ceeb ntawm cov ntawv kawm lej vim nws pab cov tub ntxhais kawm nkag siab txog kev siv cov ntaub ntawv li cas hauv ntau yam ntawm lub neej. Ib qho ntawm cov ntsiab lus tseem ceeb uas tau kawm hauv kev suav lej yog "kev ntsuas ntawm qhov chaw." Tsab xov xwm no yuav tham txog kev ntsuas ntawm qhov chaw tob tob, nws cov hom, thiab... Nyeem ntxiv
Cov Lus Nug Piv Txwv thiab Kev Sib Tham: Cov Qauv Molecular thiab Cov Qauv Empirical. Kev kawm chemistry yog qhov tsis sib cais ntawm cov ntsiab lus tseem ceeb xws li cov qauv molecular thiab cov qauv empirical. Ob lub tswv yim no tseem ceeb heev vim tias lawv muab kev nkag siab dav dav ntawm cov khoom sib xyaw ua ke. Tsab xov xwm no yuav tshawb nrhiav cov lus nug piv txwv thiab kev sib tham ntsig txog cov qauv molecular thiab cov qauv empirical. Nrog kev nkag siab zoo txog... Nyeem ntxiv
Qib Nruab Nrab thiab Hom ntawm Cov Ntaub Ntawv Pawg Cov ntaub ntawv suav lej yeej ib txwm yog ib qho tseem ceeb hauv kev tshawb fawb, kev lag luam, kev lag luam, thiab ntau lwm yam. Yeej, cov ntaub ntawv lej tuaj yeem tshuaj xyuas ntau txoj hauv kev, ib qho ntawm cov no yog los ntawm kev siv cov kev ntsuas ntawm qhov nruab nrab. Ob qho kev ntsuas tseem ceeb ntawm qhov nruab nrab hauv kev tshuaj xyuas cov ntaub ntawv pawg yog qib nruab nrab thiab hom. Tsab xov xwm no yuav tshawb nrhiav lub ntsiab lus ntawm… Nyeem ntxiv