Question

For the reaction 2Cl(g) ---> Cl2(g), the signs of delta H and Delta S respectively are ?

Answer 1

Hey...


Some reactions are spontaneous because they give off energy in the form of heat (deltaH < 0). Others are spontaneous because they lead to an increase in the disorder of the system (delta  > 0). Calculations of deltaH and deltaS can be used to probe the driving force behind a particular reaction.


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Answer 2

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⭐. Delta H : Negative . Because energy is released in bond formation.

⭐. Delta S : Negative . Because entrophy decreases when atoms combine to form molecules.