Consider the reaction A 2 + B 2 2 AB. Breaking 1 mole of AA bonds
Question:
Consider the reaction A2 + B2 → 2 AB. Breaking 1 mole of A—A bonds and 1 mole of B—B bonds requires 2200 kJ. Forming 1 mole of A—B bonds releases 1000 kJ.
(a) Is this reaction exothermic or endothermic? Explain.
(b) What is the value of ΔErxn? (Get the sign right.) How is it to be interpreted?
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a Endothermic More energy is absorbed as the reactant bonds brea...View the full answer
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Related Book For 
Introductory Chemistry Atoms First
ISBN: 9780321927118
5th Edition
Authors: Steve Russo And Michael Silver
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