Which statement about elements in the same family is true? a. they have similar atomic sybolsb. they have similar chemical properties c. they appear in the same row on the periodic table. d. they are in the same state of matter at room temperature

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.