Asked by Jake

consider the following reaction at 298K
4Al(s)+3O2(g) yields 2Al2O3(s)
delta H= -3351.4 Kj
find delta S sys
find delta S surr
find delta S unvi
Answered by DrBob222
dSsys = (n*dS products) - (n*dS reactants)
dSsurr = -dH/T
dSuniv = dSsurr + dSsys
Note: dH in kJ/mol but dS usually in J/mol. keep the units straight.
Answered by Veronica
How would I do it DrBob222 . I keep getting the wrong answer.I also don't even know what you notations mean
Answered by Fatima
DS System= -627J/K
DS Surr=11246J/K
DS Uni= 10619 J/K

Just got this right on sapling!
Answered by Can confirm Fatima's answer
Thankyou
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