Calculate the percentage change in Kx for the reaction H2CO(g)5 CO(g) H2(g) when the total pressure is increased from 1.0 bar to 2.0 bar at constant temperature.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely