debbie394
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How do you answer question 3b ii)

How did they get these values?

Question:
http://pmt.physicsandmathstutor.com/...s%203%20QP.pdf

Mark Scheme:
http://pmt.physicsandmathstutor.com/...s%203%20MS.pdf
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charco
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(Original post by esmeralda123)
How do you answer question 3b ii)

How did they get these values?

Question:
http://pmt.physicsandmathstutor.com/...s%203%20QP.pdf

Mark Scheme:
http://pmt.physicsandmathstutor.com/...s%203%20MS.pdf
This is not Born-Haber, it is Hess' cycles.

Just look at the change in species from one place to another to see which of the equations applies.
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debbie394
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(Original post by charco)
This is not Born-Haber, it is Hess' cycles.

Just look at the change in species from one place to another to see which of the equations applies.
I don't get it. Where do these numbers come from?
The equations don't match the ones in the cycle.
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