What is the theoretical yield of ammonia that can be obtained from the reaction of 10.0 g of H2 and excess N2? N2 + 3H2 → 2NH3

Which is a character of nuclear fusion but not nuclear fission

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

What is the most common form of matter in the universe