4. Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added to a solution of sodium carbonate, carbon dioxide gas is formed. The equation for the reaction is: 2- 2H (aq) + Co. (aq) → co (g) + HO (I) A) Calculate AH for the thermochemical reaction.

Chemistry & Chemical Reactivity
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Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
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4. Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric
is added to a solution of sodium carbonate, carbon dioxide gas is formed. The equation for
the reaction is:
2-
2H (aq) + CO
(aq) > co (g) + HO (1)
3
2
A) Calculate AH for the thermochemical reaction.
B) Calculate AH when 25.00 mL Of 0.186 M HCl is added to sodium carbonate.
use molarity to solve for the number of moles of HCl
Hint:
Transcribed Image Text:4. Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added to a solution of sodium carbonate, carbon dioxide gas is formed. The equation for the reaction is: 2- 2H (aq) + CO (aq) > co (g) + HO (1) 3 2 A) Calculate AH for the thermochemical reaction. B) Calculate AH when 25.00 mL Of 0.186 M HCl is added to sodium carbonate. use molarity to solve for the number of moles of HCl Hint:
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