Calculate delta S for the reaction: 4 Cr(s) + 3 O2(g) yields 2 Cr2O3(s)
Substance Cr(s) O2(g) Cr2O3(s)
S (J/K mol) 23.77 205.138 81.2
First write the balanced reaction
4Cr(s) + 3O2(g) = 2Cr2O3(s)
When calculating deltaS, use the formulae:
The solution provides step-by-step explanations on how to calculate the entropy change of reaction.