ДН 50. kJ AS160 K kJ AG 4FECI3 (s)302 (8) 6C12 (g) 2Fe2 03 (s) Which is spontaneous? this reaction the reverse reaction neither -951. kJ AH J AS K 21. kJ AG = 2AI(s:) + зн,0(g) Al,0, (5) + зн, (g) Which is spontaneous? this reaction the reverse reaction neither
A chemical engineer is studying the two reactions shown in the table below.
In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of
and constant total pressure. Then, he measures the reaction enthalpy
and reaction entropy
of the first reaction, and the reaction enthalpy
and reaction free energy
of the second reaction. The results of his measurements are shown in the table.
Complete the table. That is, calculate
for the first reaction and
for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium.
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