Suppose you have a mole of uranium (U) and three moles of hydrogen (H). Do you have
more uranium atoms or more hydrogen atoms? Explain how you know.

What is avogadro’s number, and why is it useful

This drawing shows a human body system. what is the primary function of this body system?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?