Which is the least expensive source of energy in kilojoules per dollar: a box of breakfast cereal that weighs 62 ounces

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Which Is The Least Expensive Source Of Energy In Kilojoules Per Dollar A Box Of Breakfast Cereal That Weighs 62 Ounces 1 (16.06 KiB) Viewed 30 times

Which is the least expensive source of energy in kilojoules per dollar: a box of breakfast cereal that weighs 62 ounces and costs $5.13, or a liter of isooctane (Molar mass Isooctane, 114.23 g/mol; density, 0.6919 g/mL) that costs $0.65? Compare the nutritional value of the cereal with the heat produced by combustion of the isooctane under standard conditions. A 1.0-ounce serving of the cereal provides 130 Calories and heat of combustion of isooctane is 5,460 kJ/mol. (1 oz = 28.3495 g)