5. Calculate the thermal effect of the reaction (according to the variant number in Table 1) at 298 K: a) at Р = const; b) when V = const. Thermal effects of the formation of substances under standard conditions and constant pressure, ΔHºf, 298, take from Table. 2 [6].
Table 1. Reaction equations
Variant No. Reaction
5 4NO 6H2Ogas = 4NH3 5O2
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