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Use the bond enthalpy data given to estimate the heat released when 6.50 g of oxygen gas reacts with excess hydrogen gas to form ammonia at 25 degree C. Draw Lewis structures of the molecules so that you may determine which bonds are being broken and which bonds are being formed in the reaction.

BE(O=H) = 498.7 kJ/mol

BE(H-H) = 436.4 kJ/mol

BE(O-H) = 460.0 kJ/mol

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Patrina SchowalterLv2

21 Jul 2019

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