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Given:  (a) BCl3 + 3H2O →H3BO3 + 3HCl                    ∆H =-112.5kJ   (b) B2H6 + 6H2O →2H3BO3 + 6H2                   ∆H = -493.4 kJ (c ) ½ H2 + ½ Cl2 → HCl                                   ∆H = -92.3 kJ Calculate the value of ∆H for the reaction: B2H6 + 6Cl2 → 2BCl3 + 6HCl

Given:  (a) BCl3 + 3H2O →H3BO3 + 3HCl                    ∆H =-112.5kJ   (b) B2H6 + 6H2O →2H3BO3 + 6H2                   ∆H = -493.4 kJ (c ) ½ H2 + ½ Cl2 → HCl                                   ∆H = -92.3 kJ Calculate the value of ∆H for the reaction: B2H6 + 6Cl2 → 2BCl3 + 6HCl

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 99QRT
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Given: 

(a) BCl3 + 3H2O →H3BO3 + 3HCl                    ∆H =-112.5kJ

 

(b) B2H6 + 6H2O →2H3BO3 + 6H2                   ∆H = -493.4 kJ

(c ) ½ H2 + ½ Cl2 → HCl                                   ∆H = -92.3 kJ

Calculate the value of ∆H for the reaction:

B2H6 + 6Cl2 → 2BCl3 + 6HCl                 


 

 

Select one:
a.
-1457.0
b.
-1376.0
c.
-1656.0
d.
-1762.0 
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