Can I find the state of any compound using the solubility rules? How do I find the state of Ca3N2 using the solubility rules?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

What is the rate law for the uncatalyzed reaction?