1. A sample of hydrogen has a volume of 25 L under a pressure of 5 atm. What will be the pressure of this gas if the volume is decreased by 1/5 L.? 2. If a gas occupies 312 at a pressure of 1.60 atm, what pressure is necessary for the gas to occupy a volume of 500 L?

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

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?

What can be done to make a solid solute dissolve faster in a liquid solvent?