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2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical equation for this reaction, explain how you came up with this equation, and explain what it tells you about the reaction.
1 Answer
- pisgahchemistLv 72 years agoFavorite Answer
Baking soda decomposition.....
2NaHCO3(s) --> Na2CO3(s) + CO2(g) + H2O(g) .......... ΔH = +129 kJ
... or ...
2NaHCO3(s) + 129 kJ --> Na2CO3(s) + CO2(g) + H2O(g)
The reaction is endothermic.
