How much energy is evolved during the reaction of 15.50 g of Na, according to the reaction below? 2Na(s) + 2H₂O(l) →→ 2NaOH(aq) + H₂(g) AH rxn= -367.5 kJ 247.8 kJ 482.9 kJ 119.0 kJ 4200 kJ 123.9 kJ 753.3 kJ Answer

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.5: Entropy Changes And Spontaneity
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How much energy is evolved during the reaction of 15.50 g of Na, according to the reaction
below?
2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g) AH°rxn= -367.5 kJ
247.8 kJ
482.9 kJ
119.0 kJ
4200 kJ
Answer
123.9 kJ
753.3 kJ
Transcribed Image Text:How much energy is evolved during the reaction of 15.50 g of Na, according to the reaction below? 2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g) AH°rxn= -367.5 kJ 247.8 kJ 482.9 kJ 119.0 kJ 4200 kJ Answer 123.9 kJ 753.3 kJ
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