In which of the following substances does a beam of light travel the fastest?

A. water
B. plastic
C. glass
D. air

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.

What is the chemical formula for the compound formed between sodium and flour one