thawj plaub alkanes yog cov pa roj hauv chav tsev kub, thiab cov khoom khib nyiab tsis pib tshwm sim kom txog thaum txog C17H36, tab sis qhov no yog qhov tsis tseeb vim tias cov isomers sib txawv feem ntau muaj cov ntsiab lus sib txawv thiab kub kub..
Puas alkanes tuaj yeem yog cov khoom?
Lub alkanes tuaj yeem muaj nyob hauv cov pa roj, kua, lossis cov khoom khib nyiab ntawm chav tsev kubCov alkanes uas tsis muaj methane, ethane, propane, thiab butane yog cov pa roj; pentane los ntawm hexadecane yog kua; cov homologues loj dua hexadecanes yog cov khib nyiab. … Thaum kawg, alkanes yuav luag tag insoluble hauv dej.
Leej twg alkenes yog solids?
Ethene, propene, thiab butene muaj nyob ua pa tsis muaj xim. Alkenes nrog 5 txog 14 carbons yog kua, thiab alkenes nrog 15 carbons lossis ntau dua yog cov khoom khib nyiab. Qhov ntom ntom: Alkenes tsawg dua cov dej nrog ntau qhov ntom ntom ntawm 0.6 txog 0.7 g / mL.
Vim li cas alkanes insoluble hauv dej?
Alkanes tsis soluble hauv dej, uas yog polar heev. Ob yam khoom tsis ua raws li cov txheej txheem ntawm solubility, uas yog, uas "zoo li dissolves nyiam." Cov dej molecules muaj zog heev attracted rau ib leeg los ntawm hydrogen bonds kom cia nonpolar alkanes plam ntawm lawv thiab yaj.
Lub cev lub cev ntawm alkanes yog dab tsi?
Lub cev muaj zog ntawm Alkanes: Alkanes tsis muaj xim. Alkanes tsawg dua li dej (alkanes ntab saum dej). Alkanes yog non-polar molecules yog li lawv muaj ntau soluble nyob rau hauv non-polar solvents tshaj lawv nyob rau hauv polar solvents.
