A student found the percent composition of CO to be 50% C and 50% O. What did the student do Incorrectly? What is the percent composition of CO?

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

What is the oxidation state of each individual carbon atom in c2o42−?

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?