TEXTBOOK 5J.11 part b
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Re: TEXTBOOK 5J.11 part b
We know that this reaction would be endothermic because it is a diatomic halogen gas molecule where the X-X is broken, requiring energy.
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Re: TEXTBOOK 5J.11 part b
Hi
You can also think that for a halogen element X, X2 is a more stable form than X atoms. For example, Cl2 is more stable than 2 Cl atoms. Also as other students mentioned, this reaction only requires the breaking of chemical bonds, which is a process requiring the input of energy.
Hope this helps
You can also think that for a halogen element X, X2 is a more stable form than X atoms. For example, Cl2 is more stable than 2 Cl atoms. Also as other students mentioned, this reaction only requires the breaking of chemical bonds, which is a process requiring the input of energy.
Hope this helps
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Re: TEXTBOOK 5J.11 part b
Yes, this reaction would be endothermic in that energy is required to break the bonds of the X2 diatomic molecule.
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Re: TEXTBOOK 5J.11 part b
Learned this at a workshop last week and its simplicity is helpful:
Reactions in which 2 reactants form 1 product release energy (exothermic).
Reactions in which 1 reactant forms 2 products requires energy (endothermic).
This can probably be applied to higher numbers.
Reactions in which 2 reactants form 1 product release energy (exothermic).
Reactions in which 1 reactant forms 2 products requires energy (endothermic).
This can probably be applied to higher numbers.
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