Given the following reactions, estimate the overall enthalpy change for dissolution of solid sodium hydroxide in water. NaOH(s) → N2OH(aq) Reaction AH° (kJ) Na(s) + H, (3) + O, (8) → NAOH(s) -427 Na(s) + H,O() → NaOH(ag) + H, (g) -184 2 H, (g) + 0,(g) → 2 H,0() -572 -43 kJ -519 kJ -329 kJ -171 kJ O -897 kJ

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Given the following reactions, estimate the
overall enthalpy change for dissolution of
solid sodium hydroxide in water.
NAOH(s) → NAOH(aq)
Reaction
AH° (kJ)
Na(s)+ H (g) +0,(g) NAOH(s)
+Hy®)+O%
-427
Na(s) + H,0() → NAOH(ag) + H,(g)
-184
2 H, (g) + 0,(g) → 2 H,0()
-572
-43 kJ
-519 kJ
-329 kJ
-171 kJ
-897 kJ
Transcribed Image Text:Given the following reactions, estimate the overall enthalpy change for dissolution of solid sodium hydroxide in water. NAOH(s) → NAOH(aq) Reaction AH° (kJ) Na(s)+ H (g) +0,(g) NAOH(s) +Hy®)+O% -427 Na(s) + H,0() → NAOH(ag) + H,(g) -184 2 H, (g) + 0,(g) → 2 H,0() -572 -43 kJ -519 kJ -329 kJ -171 kJ -897 kJ
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