Two clear solutions are mixed together in an Erlenmeyer flask. The flask is then swirled and you notice that the flask has become hot and a white precipitate
appears at the bottom of the flask, causing the solution to appear cloudy. Is this a
physical or chemical change? Justify your answer.

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

gas

explanation:

smoke is the matter of a gas