On a 12 day wilderness expedition you'll need to heat 3.0 kg of water to the boiling point each day. The air temperature will average 25 °C. You have available canisters of compressed butane (C,H,) fuel, which you'll burn to heat the water. Each canister has 75. g of butane in it. What is the minimum number of fuel canisters you must bring? The standard heat of formation of butane at 25 Cis-125.7 kmol

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