70g of N2 and 80g of O2 are mixed in a 2.0 L container at 300K. Calculate the partial pressure of each gas and the total pressure.

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

Chemistry worksheet - i am not sure what they are asking for exactly?

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.