3x +14y=5xy
21y - x =2xy​

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin