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# Calculate of HBr(g) is not equal to one-half of the value ISBN: 9780321809247 1

## Solution for problem 110E Chapter 9

Chemistry: A Molecular Approach | 3rd Edition

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Problem 110E

Calculate of HBr(g) is not equal to one-half of the value calculated. Account for the difference.

Step-by-Step Solution:

Solution 110E Step 1 of 1 For the reaction We can state that one HH bond and one Br-Br bond break up, while two HBr bond form. We have to remember that when a reaction happens, we have to spend energy to break bonds (positive H ), while broken bonds release energy (negative H) Thus since For H-H H = 436 kJ/mol For Br-Br H = 193 kJ/mol Thus H broken bonds= (H H-H)+ (H Br-Br 629kJ/mol For H-Br H = - 364 kJ/mol Thus...

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Step 3 of 3

##### ISBN: 9780321809247

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