Calculate the energy required to produce 5.00 mol of Cl2O7 on the bases of the following balanced equation. 2Cl2(g) +7O2(g) +130kcal - - > 2 Cl2O7

Question

5.00 kcal
65 kcal***
130 kcal
325 kcal

Answer 1

From the 'balanced equation', 2 moles Cl2O7 requires 130 kcals => normalizes to 1 mole Cl2O7 requires 65 kcals. From this 5 moles Cl2O7 then requires ... ??? You do the math.