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PATIANTLITZ

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made a mistake lol divided by 3 moles when it should have been 1 in the first equation NO2 mass: 46.01 DH -137 kJ 92.3g NO2 x 1 moles NO2 / 46.01 g NO2 = 2.000609 moles - 2.000609 moles NO2 x 137 kJ / 3 moles NO2 = 91.6 kJ
Oh Lord, the first reply like...that was not the question, seriously? NO2 mass: 46.01 DH -137 kJ 92.3g NO2 x 3 moles NO2 / 46.01 g NO2 = 6.018 moles - 6.018 moles NO2 x 137 kJ / 3 moles NO2 = 2.75 x 10^2 kJ answer: 2.75 x 10^2 kJ

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