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Topic: Heat of formation.  (Read 1572 times)

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Offline CelticKhemist2000

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Heat of formation.
« on: December 04, 2020, 05:35:40 PM »
I've been trying to find what the circle with a line through it means? What does that symbol represent? What is it called?

Update: I already found the answer to my question but I can't figure out how to delete the post.
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Offline Corribus

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Re: Heat of formation.
« Reply #1 on: December 04, 2020, 05:53:51 PM »
No need to delete or edit your post. Why don't you add what you found, to help future people who may have the same question?
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What men are poets who can speak of Jupiter if he were like a man, but if he is an immense spinning sphere of methane and ammonia must be silent?  - Richard P. Feynman

Offline CelticKhemist2000

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Re: Heat of formation.
« Reply #2 on: December 05, 2020, 11:54:37 PM »
Good point. I found that it's called a "superscript" and it indicates that the ΔH is happening under standard conditions. ΔH by itself indicates the change in enthalpy has happened under non standard conditions. Also, ΔH° and subscript C indicates a combustion reaction with oxygen, and stands for "combustion".
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