8. Identify the homologous series that each of the compounds belong to and name them: i) CH3CH2CH2OH
ii) CH3CH2COOH
CH3CH2COCH
iv) CH3CH(NH2)CH2CH3
V) CH3CHCHCH:
vi) CH3COOCH
vii) CH3CHO
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Compare and contrast physical changes with chemical changes.

What shape would a molecule with two bound groups and two lone pairs have?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.