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4. Consider the reaction at 300 K H2 (g) + Cl2 (g) = 2HCl (g) , heat of enthalpy = -185 KJ If 3 mole of H2 completely reacts with 3 mol of Cl2 to form HCl, change in internal energy of the reaction will be 1) Zero 2) -185 KJ 3) 555 KJ 4) None of these |
| Answer» 4. Consider the reaction at 300 K H2 (g) + Cl2 (g) = 2HCl (g) , heat of enthalpy = -185 KJ If 3 mole of H2 completely reacts with 3 mol of Cl2 to form HCl, change in internal energy of the reaction will be 1) Zero 2) -185 KJ 3) 555 KJ 4) None of these | |