14. Sarah is completing a lab in which she is required to identify an unknown 1 point substance. She records several observations and measurements of the
substance. Which of the following properties will be most helpful to Sarah
in making a correct identification?

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.