Which of the following reactions would have a positive AS°? (i) Na₂SO4(s)- 2 Nat(aq) + SO4²-(aq) 6 CO2(g) + 6 H₂O(l) --> C6H12O6(s) + 6 02(g) N₂(g) + 3 H₂(g) --> 2 NH3(g) N₂O4(8) --> 2 NO₂(g) Pb(s) + Br₂(1) --> PbBr₂(s) (ii) (iii) (iv) (v)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
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Which of the following reactions would have a positive AS°?
(i)
Na₂SO4(s)-
-->
2 Nat(aq) + SO4²-(aq)
6 CO2(g) + 6 H₂O(l) --> C6H12O6(s) + 6 02(g)
N₂(g) + 3 H₂(g) --> 2 NH3(g)
N₂O4(g) --> 2 NO₂(g)
Pb(s) + Br₂(1) --> PbBr₂(s)
(ii)
(iii)
(iv)
(v)
Oi, iv
O ii, v
Oiii, iv
O ii, v
Transcribed Image Text:Which of the following reactions would have a positive AS°? (i) Na₂SO4(s)- --> 2 Nat(aq) + SO4²-(aq) 6 CO2(g) + 6 H₂O(l) --> C6H12O6(s) + 6 02(g) N₂(g) + 3 H₂(g) --> 2 NH3(g) N₂O4(g) --> 2 NO₂(g) Pb(s) + Br₂(1) --> PbBr₂(s) (ii) (iii) (iv) (v) Oi, iv O ii, v Oiii, iv O ii, v
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