Ahydrocarbon (an organic compound containing only c and h) is found to be 7.74% h. if the molecular weight is known to be between 70 and 85 u, find the molecular formula.

What is the temperature of one mole of helium gas at stp?

Amixture with the same composition throughout is!

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.