A gas has a volume of 62.65 L at STP. At what temperature (in °C) would the volume of the gas be 78.31 L at a pressure of 612.0 mm Hg I think this is a combined gas law

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6