BALANCE THE EQUATION FIRST 3.5 moles of ammonia (NH3) are formed in the following reaction. How many grams of hydrogen reacted?

H2 + N2 --> NH3

H2so4 is the chemical compound of sulfuric acid. 

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.

Asodium chloride is literally table salt