Calculate the standard enthalpy of formation of solid diboron trioxide (B2O3) using the following thermochemical information:B2H6(g) + 3 O2(g) (equlibrium arrow) B2O3(s) + 3 H2O(l) H = -2147.5 kJ2 H2O(l) (equilibrium arrow) 2 H2(g) + O2(g) H = +571.7 kJB2H6(g) (equilibrium arrow) 2 B(s) + 3 H2(g) H = -35.4 kJ delta H = _______ kJ

First you should understand a law named as hess's law which states that the total enthalpy change…

Answered: Calculate the standard enthalpy of…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions

Section5.7: Enthalpy Calculations

Problem 5.10CYU: Calculate the standard enthalpy of combustion for benzene, C6H6. C6H6() + 15/2 O2(g) 6 CO2(g) + 3...

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Calculate the standard enthalpy of formation of solid diboron trioxide (B₂O₃) using the following thermochemical information:

B₂H₆(g) + 3 O₂(g) (equlibrium arrow) B₂O₃(s) + 3 H₂O(l)		H = -2147.5 kJ
2 H₂O(l) (equilibrium arrow) 2 H₂(g) + O₂(g)		H = +571.7 kJ
B₂H₆(g) (equilibrium arrow) 2 B(s) + 3 H₂(g)		H = -35.4 kJ

delta H = _______ kJ

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