Question

Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) ----> Na2CO3(s) + CO2(g) + H2O(g) Given that ΔH = 128.9 kJ/mol and ΔG = 9.22 kJ/mol at 25°C. Above what minimum temperature will the reaction be spontaneous? (a) 0.4 K (b) 321 K (c) 401 K (d) 3.9 K (e) 525 K

Name: sodium carbonate can be made by heating sodium bicarbonate 2nahco3s na2co3s co2g h2o g given that delta h 1289 kjmol and delta g 922 kjmol at 25 c above what minimum temperature will the rea 59603
Uploaded: 2022-12-05T22:46:31-08:00
Duration: 1 min 37 s
Channel: David Collins
Description: sodium carbonate can be made by heating sodium bicarbonate 2nahco3s na2co3s co2g h2o g given that delta h 1289 kjmol and delta g 922 kjmol at 25 c above what minimum temperature will the rea 59603

          Sodium carbonate can be made by heating sodium bicarbonate:
2NaHCO3(s) ----> Na2CO3(s) + CO2(g) + H2O(g)
Given that ΔH = 128.9 kJ/mol and ΔG = 9.22 kJ/mol at 25°C. Above what minimum temperature will the reaction be spontaneous?
(a) 0.4 K
(b) 321 K
(c) 401 K
(d) 3.9 K
(e) 525 K

Added by Pablo P.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

12/05/2022

Step 1

Second, we know that ΔG = ΔH - TΔS, where T is the temperature in Kelvin and ΔS is the entropy change. We can rearrange this equation to solve for T: T = (ΔH - ΔG) / ΔS. Show more…

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Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) ----> Na2CO3(s) + CO2(g) + H2O(g) Given that ΔH = 128.9 kJ/mol and ΔG = 9.22 kJ/mol at 25°C. Above what minimum temperature will the reaction be spontaneous? (a) 0.4 K (b) 321 K (c) 401 K (d) 3.9 K (e) 525 K