Explain how the rate of diffusion of a gas is related to its molar mass. Carbon dioxide gas (co2) defuse 3.2 times faster than an unknown gas. Determine the molar mass of the unknown gas. Show your work to explain your answer, giving specific values used to determine the answer.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.