Of the reactions below, only is spontaneous. MgCl₂ (aq) + H₂(g) → Mg (s) + 2HCl(aq) 2AIBr3 (aq) + 3H₂ (g) → 2Al(s) + 6HBr (aq) Ni₂SO4 (aq) + H2 (g) → 2Ni (s) + H₂SO4 (aq) 2AgNO3(aq) + H₂ (g) → 2Ag (s) + 2HNO3(aq) Znl₂(aq) + H₂ (g) → Zn (s) + 2HI (aq)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 75QRT
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Of the reactions below, only
is spontaneous.
MgCl₂ (aq) + H₂(g) → Mg (s) + 2HCl(aq)
2AIBr3 (aq) + 3H₂ (g) → 2Al(s) + 6HBr (aq)
O Ni₂SO4 (aq) + H2 (g) → 2Ni (s) + H₂SO4 (aq)
O 2AgNO3(aq) + H₂ (g) → 2Ag (s) + 2HNO3(aq)
Znl₂(aq) + H₂ (g) → Zn (s) + 2HI (aq)
Transcribed Image Text:Of the reactions below, only is spontaneous. MgCl₂ (aq) + H₂(g) → Mg (s) + 2HCl(aq) 2AIBr3 (aq) + 3H₂ (g) → 2Al(s) + 6HBr (aq) O Ni₂SO4 (aq) + H2 (g) → 2Ni (s) + H₂SO4 (aq) O 2AgNO3(aq) + H₂ (g) → 2Ag (s) + 2HNO3(aq) Znl₂(aq) + H₂ (g) → Zn (s) + 2HI (aq)
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