Under certain conditions, nitrogen gas and oxygen gas react to form the toxic brown gas nitrogen dioxide:N2+ 2O2——->2NO2. For this reaction, Change Hdegrees=66.2 kJ and change Sdegrees=-121.81 J:K; calculate change Gdegrees at standard conditions (298 k and 1 atm) and determine if the reaction is spontaneous, nonspontaneous , or in equilibrium at these conditions.

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