256 B. Structures of Alkenes Alkene Lewis Structure Bond Angles ethene any AH-C=C= H,C=CH, propene any AH-C=C = H,C=CHCH, 1-butene AC=C-C = H,C=CHCH,CH, AH-C-H = (Show the cis geometry.) cis-2-butene AH-C=C% = CH,CH=CHCH, AC=C-C = (Show the trans geometry.) trans-2-butene &H-C=C = CH,CH=CHCH, AH-C-H = Draw the spatial structures of cis-2-butene and trans-2-butene below. cis-2-butene trans-2-butene

Q: help

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Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.