Among other things, an ideal fuel for the control thrusters of a space vehicle should decompose in a spontaneous exothermic reaction when exposed to an appropriate catalyst. Evaluate the following substances under standard state conditions as suitable candidates for fuels. (Provide G and H in kJ/mol reactant.)

(b) dinitrogen pentoxide: N₂O₅(s) N₂(g) + 5/2 O₂(g)

G= ____ kJ/mol ?

H= ____ kJ/mol ?

I think H is43.1 kJ/mol.With it being spontaneous, endothermic, and not suitable.