Asked by Olivia
Use standards entropies and heats of formation to calculate delta Gf at 25C for
a. cadmium (II) chloride (s)
b. methyl alcohol, CH3OH (l)
c. copper (I) sulfide (s)
I really have no idea where to start with this problem. I have no idea how to calculate delta Gf, and everything I've tried hasn't worked.
a. cadmium (II) chloride (s)
b. methyl alcohol, CH3OH (l)
c. copper (I) sulfide (s)
I really have no idea where to start with this problem. I have no idea how to calculate delta Gf, and everything I've tried hasn't worked.
Answers
Answered by
DrBob222
The formation of CdCl2, for example, from its elements, is as follows:
Cd + Cl2 ==> CdCl2
Look up values for So for CdCl2 and Hf for CdCl2. Then dGf = dHf-TdSo
That's all there is to it. For T use 298 K.
Cd + Cl2 ==> CdCl2
Look up values for So for CdCl2 and Hf for CdCl2. Then dGf = dHf-TdSo
That's all there is to it. For T use 298 K.
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