Under the same conditions, if hydrogen gas (H2) effuses at a rate of 45 m/s, what would be the rate of effusion of carbon dioxide gas. (3 sig figs)

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.