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Upon heating, baking soda decomposes as follows, creating the holes in baked bread: 2NaHCO3​(s) --> Na2​CO3​(s)+CO2​(g)+H2​O(l)   When 39.0 g NaHCO3 decomposes, the change in energy is-30.0 kJ. Use this information and the additional information provided to calculate the ΔH°f of NaHCO3.   Substance ΔH°f (kJ/mol) H2O(l) –286 CO2(g) –394 Na2CO3(s) –1131 ΔH°f of NaHCO3 _____________ kJ/mol

Upon heating, baking soda decomposes as follows, creating the holes in baked bread: 2NaHCO3​(s) --> Na2​CO3​(s)+CO2​(g)+H2​O(l)   When 39.0 g NaHCO3 decomposes, the change in energy is-30.0 kJ. Use this information and the additional information provided to calculate the ΔH°f of NaHCO3.   Substance ΔH°f (kJ/mol) H2O(l) –286 CO2(g) –394 Na2CO3(s) –1131 ΔH°f of NaHCO3 _____________ kJ/mol

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Upon heating, baking soda decomposes as follows, creating the holes in baked bread:
2NaHCO3​(s) --> Na2​CO3​(s)+CO2​(g)+H2​O(l)

 

When 39.0 g NaHCO3 decomposes, the change in energy is-30.0 kJ. Use this information and the additional information provided to calculate the ΔH°f of NaHCO3.
 

Substance ΔH°f (kJ/mol)
H2O(l) –286
CO2(g) –394
Na2CO3(s) –1131


ΔH°f of NaHCO3 _____________ kJ/mol   

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