This is for a study guide, i can't figure it out! you draw back on the piston of a pump and the volume of air in the pump doubles. which of the following happens? a. the number of collisions per unit area doubles. b. the temperature of the room doubles. c. half of the gas leaks out and the pressure is reduced. d. the number of collisions per unit area is reduced by one-half.,

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice

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.