21-05-2023
Chemistry

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A particular natural gas consists, in mole percents, of 83.0 % CH4 (methane), 11.2 % C2H6 (ethane), and 5.80 % C3H8 (propane). A 385- L sample of this gas, measured at 23 ∘C and 739 mmHg, is burned in an excess of oxygen gas. How much heat is evolved in this combustion reaction?

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