The reaction between methane and oxygen is exothermic. The standard heat of combustion of methane is -728 kJ/mol. CH (g)+20,(g) → CO,(g)+2H,O(1) AH -728 kJ/mol a. Calculate the amount of energy produced when each of the following amounts of methane is completely combusted.
i 2 moles of methane
ii 0.25 mole of methane
iii 8g of methane​