O2 (g) → O2 (l)

Predict whether the reaction above would have an increase or a decrease in entropy.

Why must a measurement include both a number and a unit?

5.2 cm of a metal is found to weigh 46.6 g on a three decimal balance. What is the density of the metal, expressed to the proper number of significant figures? 9 g/cm [2] 9.0 g/cm 8.96 g/cm 0.11 g/cm [5] 0.112 g/cm

What is the mass of one of helium gas

Electronegativity is a measure of an atoms ability to

What term describes elements with properties that fall between those of metals and nonmetals?

If, at a given temperature, the equilibrium constant for the reaction H2 (g) Cl2 (g) 2HCl (g) is Kp, then the equilibrium constant for the reaction HCl (g) (1/2) H2 (g) (1/2) Cl2 (g) can be represented as:

The tank of an air compressor contains gas at normal atmospheric pressure (1atm). If the compressor motor pumps the equivalent of three extra tanks of air into the compressor tank, what will be the final pressure

Which atom has the largest number of neutrons? phosphorus-30 chlorine-37 potassium-39 argon-40 calcium-40?

A certain indicator has a color chart that shows that when the indicator is yellow, the solution is acidic. What is true about a solution that produces a yellow indicator?

The element hydrogen adom is made up of wich kinds of adams