Calculate the standard heat of the reaction below at 500 deg C. 4NH3(g) + 502(g) → 4N0(g) + 6H20(g) A 10³B 10°C 10-5D H20 3.470 1.450 0.121 NO 3.387 0.629 0.014 NH3 3.578 3.020 -0.186 02 3.639 0.506 -0.227

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