Standard entropies of X ₂, Y ₂ and XY ₅ are 70,50 and 110 ~J ~K ⁻¹ ~mol ⁻¹ respectively. The temperature in Kelvin at which the reaction 1 2 X ₂+ 5 2 Y ₂ XY ₅ H ^ =-35 ~kJ ~mol ⁻¹ will be at equilibrium is_______. (Nearest integer)

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aligned & 1 2 X ₂+ 5 2 Y ₂ XY ₅ & ~S _ Rxn ^0=110- [ ( 1 2 70 )+ ( 5 2 50 ) ] & =110-160=-50 JK ⁻¹ ~mol ⁻¹ & G ^0=0 at eqb & G ^0= H ^0- T S ^0 & 0=-35000- T (-50) & T =700 Kelvin aligned

Standard entropies of X ₂, Y ₂ and XY ₅ are 70,50 and 110 ~J ~K ⁻¹ ~mol ⁻¹ respectively. The temperature in Kelvin at which the reaction 1 2 X ₂+ 5 2 Y ₂ XY ₅ H ^ =-35 ~kJ ~mol ⁻¹ will be at equilibrium is_______. (Nearest integer)

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