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21. Enthalpy changes for two reactions are given bythe equation(6)%0+(s)Cr O3(s), AH-1130 kJAH=-110 kJ'(6)0 (6)0+(s)The enthalpy change for the reactionCr Og+3C 2Cr 3CO will be(1) -1460 kJ(2) -800 kJ(3) +800 kJ(4) 1020 kJ |
| Answer» 21. Enthalpy changes for two reactions are given bythe equation(6)%0+(s)Cr O3(s), AH-1130 kJAH=-110 kJ'(6)0 (6)0+(s)The enthalpy change for the reactionCr Og+3C 2Cr 3CO will be(1) -1460 kJ(2) -800 kJ(3) +800 kJ(4) 1020 kJ | |