Will Ca(HCO3)2(aq) + 2NH3(aq) react?

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Discussion Overview

The discussion revolves around the potential reactions between Calcium Bicarbonate and Ammonia, specifically whether they would produce Ammonium Bicarbonate and Calcium Hydroxide. Additionally, the possibility of Calcium Carbonate reacting with Ammonia to form Ammonium Carbonate is also explored. The scope includes theoretical considerations and chemical reaction mechanisms.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions if an aqueous solution of Calcium Bicarbonate and Ammonia would react to form Ammonium Bicarbonate and Calcium Hydroxide.
  • Another participant asks which base is stronger between Calcium Hydroxide and Ammonium Hydroxide.
  • It is noted that Calcium Hydroxide is a stronger base, and a connection is made to the Solvay Process, where Ammonium Bicarbonate and Sodium Chloride produce Ammonium Chloride and Sodium Bicarbonate.
  • Some participants propose that Calcium Bicarbonate and Ammonium Carbonate could produce Calcium Carbonate and Ammonium Bicarbonate, but this is presented as a hypothesis requiring further investigation.
  • A later reply suggests that while the reaction seems plausible, calculating the exact equilibrium for the system would be necessary to confirm it.

Areas of Agreement / Disagreement

Participants express differing views on the reactions and the strength of the bases involved. The discussion remains unresolved regarding the specific reactions and their outcomes.

Contextual Notes

There are limitations regarding assumptions about the reaction conditions and the need for equilibrium calculations, which are not fully addressed in the discussion.

ejnovek
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Hi,
I'm wondering if an aqueous solution of Calcium Bicarbonate and Ammonia would react to form Ammonium Bicarbonate and Calcium Hydroxide. Additionally, would Calcium Carbonate react with Ammonia in solution to form Ammonium Carbonate?
EJ
 
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Which base is stronger, calcium hydroxide, or ammonium hydroxide?
 
Calcium Hydroxide is a stronger basic. However, in the Solvay Process Ammonium Bicarbonate + Sodium Chloride produces Ammonium Chloride + Sodium Bicarbonate.

Based on this, could Calcium Bicarbonate + Ammonium Carbonate produce Calcium Carbonate + Ammonium Bicarbonate.
 
ejnovek said:
Calcium Hydroxide is a stronger basic. However, in the Solvay Process Ammonium Bicarbonate + Sodium Chloride produces Ammonium Chloride + Sodium Bicarbonate.

What is the driving force behind the Solvay process?

ejnovek said:
could Calcium Bicarbonate + Ammonium Carbonate produce Calcium Carbonate + Ammonium Bicarbonate.

Good question. At first sight I would say yes, but to be sure you would need to calculate exact equilibrium for the system.
 

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