A sample of gas at 313 K and 4.95 atm occupies 85.62 L of space. How many moles (n) of gas are in the sample? Use the formula below. *

Ideal Gas Law

PV=nRT

ART

.0821

What three things determine the shape and size of a puddle when water is poured out onto a surface

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?