Given the following thermochemical equations,4B(s) + 3O2(g) → 2B2O3(s) ∆Ho= -2543.8 kJH2 (g) + ½ O2(g) → H2O (g) ∆Ho= -241.8 kJB2H6(s) + 3O2(g) → B2O3(s) + 3H2O (g) ∆Ho= -2032.9 kJWhich equation shows the decomposition of B2H6 into its elements? B2H6(s) → 2B (s) + 3H2 (g) B2H6(s) + 3O2(g) → B2O3(s) + 3H2O (g) 2B2O3(s) → 4B(s) + 3O2(g) B2H6(s) + 3O2(g) → B2O3(s) + 3H2O (g)

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Answered: Given the following thermochemical…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Given the following thermochemical equations,

4B(s) + 3O₂(g) → 2B₂O₃(s)                         ∆H^o= -2543.8 kJ
H₂ (g) + ½ O₂(g) → H₂O (g)                        ∆H^o= -241.8 kJ
B₂H₆(s) + 3O₂(g) → B₂O₃(s) + 3H₂O (g)   ∆H^o= -2032.9 kJ

Which equation shows the decomposition of B₂H₆ into its elements?

		B₂H₆(s) → 2B_(s) + 3H_{2 (g)}
		B₂H₆(s) + 3O₂(g) → B₂O₃(s) + 3H₂O (g)
		2B₂O₃(s) → 4B(s) + 3O₂(g)
		B₂H₆(s) + 3O₂(g) → B₂O₃(s) + 3H₂O (g)

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