Each interval on the axis labeled "Potential Energy
(kJ/mol)" represents 20. Kilojoules per mole. What is the
activation energy of the forward reaction?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h