Which of the following statements about water is true?

it's strongest intermolecular forces are london dispersion forces

it's a non-polar molecule

it's a solid at room temperature and pressure

it's a solid form is less dense than the liquid form

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.