porraszarai3176 porraszarai3176 27-04-2024 Chemistry Answered Given the standard enthalpy changes for the following two reactions: 4 C(s) + 5 H2(g) C4H10(g) ΔHo = -125.6 kJ C2H2(g) 2 C(s) + H2(g) ΔHo = 226.7 kJ What is the standard enthalpy change for the reaction: 2 C2H2(g) + 3 H2(g) C4H10(g) ΔHo = ?