1. The hydrogenation of ethene gas at 298. K shows a decrease in disorder (AS = -120.7 J/(mol·K)) during an exothermic reaction (AH = -136.9 kJ/mol). Determine whether the reaction is spontaneous or nonspontaneous by calculating AG*.
C2H4 (g) + H2(g) → C2H6 (g)

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ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg