Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture:

Hydrogen (H2)

A. Element
B. Compound
C. Homogenous mixture
D. Heterogenous mixture

Hydrogen (H2) is an element.

A compound is a molecule that contains at least two different elements.

Hello! data: p (pressure) = 1.25 atmv (volume) = ? (in l)t (temperature) = 298 kn (number of mols) = 0.900 molesr (gas constant) = 0.082 (atm*l/mol*k)apply the data to the clapeyron equation (ideal gas equation), see: i hope this . =)