The reactants are combined (reacted) and the final mass of the system is determined. If the final mass of the system is 120 g, what was the percent yield of the reaction?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?