The osmotic pressure of a solution containing 15.87 mg of an unknown protein per 10.0 mL of solution is 2.45 torr at 25oC. Find the molar mass of the unknown protein.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy