A gas is at a pressure of 97.0 kPa and has a volume of 0.4 L. If the pressure increased to 178 kPa, what will be the new volume? (Temp is constant) Equation: P1V1 = P2V2

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

How many atoms are there in 5.70 mol of mg

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8