If a 7.00 L container is filled with O2 to a pressure of 1.31 atm at 33.0 C, calculate the mass of the oxygen in the container. R=0.0821; oxygen = 32.0 g/mol

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry