Troy investigates the density of an unknown piece of metal in the laboratory. Density is equal to mass divided by volume. The mass of the metal is 10.7 grams, and its volume is 1.5 cm³. Based on the data in this table conclusion can Troy make about the unknown metal? TABLE: gold=19.3, lead=11.4, silver=10.5, zinc=7.13. (Numbers in Density (g/cm³)

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.