If a container holds 2.00 moles of hydrogen gas and 3.2 moles of helium gas, and the total pressure is 4.00 atm., what is the partial pressure of each of the gases?

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

•hydration •dissociation •dissolving which one goes to which

[01.07]what is the answer to the problem: 101 g + 25.01 g + 5.05 g? 131.06 g 131.1 g 131 g 130 g