How many moles of N2 will occupy w volume or 5.0 L at STP

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Ineed ! it’s science and it’s due tomorrow!

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17