How much mass would a mole of nitrogen molecules contain

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

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.

Once similarity and one difference between a mixture of elements and a mixture of compounds