Give the percent yield when 28.16 g of CO2 are formed from the reaction of 7.000 moles of CH18 with 14.00 moles of O2.
2 C8H18 + 25 02 - 16 CO2 + 18 H2O?

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.