Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. a bottle contains 375 ml of insulin at a concentration of 30.0 mg/ml. what is the total mass of insulin in the bottle?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

Which metal exist in liquid state and can be cut with knife ?

How does the viscosity of magma change as magma cools?