An imaginary compound made up of atoms of carbon , hydrogen, chlorine and oxygen. Combustion of a 1.000-g sample yields 1.407g of carbon dioxide,0.4g of water and 0.4g of chlorine gas , what is the mass percent of oxygen in this compound?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

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

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6