Calculate the temperature at which the following reaction becomes spontaneous. Compound  ΔHof (kJmol)ΔHfo (kJmol)   ΔSo (JK ⋅ mol)ΔSo (JK ⋅ mol)  Cl2(g) 0.0 +223.1 ClNO2(g) +12.6 +272.2 NO(g) +91.3 +210.8 NO2(g) +33.2 +240.1 NOCl(g) +51.7 +261.7 PCl3(g) −287.2 +311.8 PCl5(g) −374.9 +364.6   PCl5(g) ↔ PCl3(g) + Cl2(g) (Answer with K unit

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