How do you rank these ions according to their radius? rb+ se2- br- sr2+ as3-

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

How does the motion of particles in a gas change as the gas cools