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11. heat of which of the following reactions gives the enthalpy of formation directly 1 H2 (g) + I2 (g) == 2HI(g) 2 N2(g)+ 3H2(g) ==== 2NH3(g) 3 C graphite + 2H2(g) =====CH4(g) 4 all of these |
| Answer» 11. heat of which of the following reactions gives the enthalpy of formation directly 1 H2 (g) + I2 (g) == 2HI(g) 2 N2(g)+ 3H2(g) ==== 2NH3(g) 3 C graphite + 2H2(g) =====CH4(g) 4 all of these | |