tssf_skye
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Hey, I missed the lesson on Enthalpy changes of formation and combustion and I don't understand it just reading out a book.

Somebody explain EVERYTHING?

Also, How do you work out the elements/how moles of them there are etc when you're drawing out Thermochemical cycles??
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charco
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(Original post by tssf_skye)
Hey, I missed the lesson on Enthalpy changes of formation and combustion and I don't understand it just reading out a book.

Somebody explain EVERYTHING?

Also, How do you work out the elements/how moles of them there are etc when you're drawing out Thermochemical cycles??
Here's a mini-tutorial on Mr Hess ...
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tssf_skye
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(Original post by charco)
Here's a mini-tutorial on Mr Hess ...
Thanks, but could someone explain how you get these elements?Name:  image.jpg
Views: 50
Size:  497.1 KB
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charco
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(Original post by tssf_skye)
Thanks, but could someone explain how you get these elements?Name:  image.jpg
Views: 50
Size:  497.1 KB
This is included in the mini-tutorial ...

... try reading it!
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krisshP
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(Original post by tssf_skye)
Thanks, but could someone explain how you get these elements?Name:  image.jpg
Views: 50
Size:  497.1 KB
Just get the following book
http://www.amazon.co.uk/Calculations...8436837&sr=8-1
I got it and I understood everything on that topic
If you can't get it then look at
http://www.chemguide.co.uk/physical/...tics/sums.html
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