Which of the following shows that the combustion of methane produces 802 kJ/mol of energy?

3. if the dartboard below is used to model an atom, which subatomic particles would be located at z?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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