At what temperature, in °C, would 4.60 moles of O2 gas at a pressure of 1.19 atm, occupy a volume of 22.0 L?

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Asolid that forms and separates from a liquid mixture is called