Which solution is an example of an electrolyte A.)Methanol in water B.)Potassium iodide in water C.)Pentane in octane D.)Sucrose in water

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

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?