Question

A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol

Answer 1

Enthatpy for bonmaton Compounds not gven Hemce 3 9ucstions Cannot be Solved ond for the Spocies cannot be Calcelated Ar mough am gving m mat Put Valuay Jus answa for quetion aud get and 4 2 EPanReat 1 Stoihimat hic Coftuont Por qustiod1- -87.72(0h tA -2(a - (AMiA Similanty questen solved Can be 2 Oud AM 125.6KJ O3 + 5 H29)Cy rot) 40057 Ah S2.3 KJ 2cts) + 2h20 LCu Mio t9) 2 C2Mu)+ 3 Y 2 Eqc2) 4 703)= + 2x OH -125.6 +2x (-52.3) AM 2 30.2 kJ