Question

Based on relative bond strengths, classify these reactions as endothermic (energy absorbed) or exothermic (energy released):

Answer 1

Answer:

The correct answer is

Endothermic:

AB+C-->AC+B

A2+C2-->2AC

B2+C2-->2BC

Exothermic:

A+BC-->AB+C

A2+B2-->2AB

Explanation:

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Answer 2

Based on relative bond strengths, classify these reactions as endothermic (energy absorbed) or exothermic (energy released):
Endothermic 
B2+C2-->2BC 
A2+C2-->2AC 
A2+B2-->2AB

Exothermic 
AB+C-->AC+B 
A+BC-->AB+C