Gas samples a, b, and c are contained in a system at stp. the partial pressure of sample a is 38.0 kpa and the partial pressure of sample b is 19.0 kpa. what is the partial pressure of sample c?

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