Which compound will be the most soluble in water? a) CH3CH2CH2CH2CH3
b) CH3CH2CH2CH2OH
c) HOCH2CH2CH2OH
d) CH3CH2CH2OCH3

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which substance can be broken down by chemical means

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.