Upon heating, baking soda decomposes as follows, creating the holes in baked bread: 2NAHCO3(s) Na,CO(s) +CO2(g)+H20(1) 4th attempt See Periodic Table See Hint Feedback When 35.5 g NaHCO3 decomposes, the change in energy is-27.3 kJ. Use this information and the additional information provided to calculate the AH&of NaHCO3 AH¢(kJ/mol) Substance H2O() -286 CO2(g) -394 Na2CO3(s) -1131 AHof NaHCO3 937 kJ/mol

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Upon heating, baking soda decomposes as follows, creating the holes in baked bread:
2NAHCO3(s)
Na,CO(s) +CO2(g)+H20(1)
4th attempt
See Periodic Table
See Hint
Feedback
When 35.5 g NaHCO3 decomposes, the change in energy is-27.3 kJ. Use this information and the additional information provided to
calculate the AH&of NaHCO3
AH¢(kJ/mol)
Substance
H2O()
-286
CO2(g)
-394
Na2CO3(s)
-1131
AHof NaHCO3 937
kJ/mol
Expand
Transcribed Image Text

Upon heating, baking soda decomposes as follows, creating the holes in baked bread: 2NAHCO3(s) Na,CO(s) +CO2(g)+H20(1) 4th attempt See Periodic Table See Hint Feedback When 35.5 g NaHCO3 decomposes, the change in energy is-27.3 kJ. Use this information and the additional information provided to calculate the AH&of NaHCO3 AH¢(kJ/mol) Substance H2O() -286 CO2(g) -394 Na2CO3(s) -1131 AHof NaHCO3 937 kJ/mol

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