A 2.5 L flask contains a mixture f nitrogen gas and oxygen gas at 25°C. The total pressure of the gaseous mixture is
95 atm, and the mixture is known to contain 0.040 mol N2.
Calculate the partial pressure of oxygen and the moles of oxygen present

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

What state of matter is ice a. liquid b. element c. solid d. gas

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.