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Consider the following reactions (i)H+(aq) + OH-(aq) = H2O(l),△ H =-X1kJ mol-1 (ii) H2( g) +1/202(g)= H20(l): △ H=-X2 kJ mol-1 (iii) CO2(g)+ H2(g) = CO(g) + H2O(l); △ H -X3 kJ mol-1 (iv) C2H2(g)+5/2O2(g) =2C0(g)+H20(l), △ H =+X4 kJ mol-1 Enthalpy of formation of H2O(l) is |
| Answer» Consider the following reactions (i)H+(aq) + OH-(aq) = H2O(l),△ H =-X1kJ mol-1 (ii) H2( g) +1/202(g)= H20(l): △ H=-X2 kJ mol-1 (iii) CO2(g)+ H2(g) = CO(g) + H2O(l); △ H -X3 kJ mol-1 (iv) C2H2(g)+5/2O2(g) =2C0(g)+H20(l), △ H =+X4 kJ mol-1 Enthalpy of formation of H2O(l) is | |