What is a chemical property of hydrogen? A. It’s is a light gas
B. It is a combustible gas
C. It is a colorless gas
D. It has a boiling point of -252.87°C
E. It is a good conductor of electricity

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)

Is the flow of energy during vaporizing more like the flow during melting or during freezing