How many moles of ethylene can react with 12.9 l of oxygen gas at 1.2 atm in 297 k

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

How many grams are in 68.2 molecules of br2?