Chemistry Practice Problems Entropy Practice Problems Solution: Which of the following processes would have a posi...

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Solution: Which of the following processes would have a positive ΔSsys value? (a) He(g), 2 atm → He(g), 10 atm (b) 2 NO2(g) → N2O4(g) (c) H2(g) + I2(s) → 2 HI(g) (d) 2 Ag(s) + Br2(l) → 2 AgBr(s) (e) O2(g) → O2(aq)

Problem

Which of the following processes would have a positive ΔSsys value?

(a) He(g), 2 atm → He(g), 10 atm

(b) 2 NO2(g) → N2O4(g)

(c) H2(g) + I2(s) → 2 HI(g)

(d) 2 Ag(s) + Br2(l) → 2 AgBr(s)

(e) O2(g) → O2(aq)