A gas has a volume of 240.0mL at 25.0 c and 0.789atm. Calculate its volume at STP and assume the number of moles does not change

In which situation can a mixture always be called a solution

Light waves travel than sound waves.

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.