Metals that are NOT transition metals are found in which groups? 1-13
All groups
1,2 and 3
1,2 and 13​

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?