The ∆_f {\H}^{⊖} of {\AO}( { s}), {\BO}_2( {\g}) and {\ABO}_3( { s}) is -635, x and -1210 {\kJ} {\mol}^{-1} respectively. {\ABO}_3( { s}) \rightarrow {\AO}( { s})+ {\BO}_2( {\g}) ; ∆_r {\H}^{⊖}=175 {\kJ} {\mol}^{-1}. What is the value of x (in {\kJ} {\mol}^{-1}) ? [TG EAPCET 10 May 2024 Shift 2]

Thermodynamics

Section: Chemistry

Question : 2 of 5

Marks: +1, -0

The ∆fH⊖ of AO( s),BO2(g) and ABO3( s) is −635,x and −1210‌kJ‌mol−1 respectively. ABO3( s)⟶AO( s)+BO2(g);∆rH⊖=175‌kJ‌mol−1. What is the value of x (in kJ‌mol−1) ?

[TG EAPCET 10 May 2024 Shift 2]

−750
+400
−400
+750

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