A student caried out this experiment and obtained the following data:  Patm = 656.7 mm Hg    Vinitial  = 0.30 mL    Mass of Alka-Seltzer sample = 0.123 g     TH2O  = 27.0°C                         Vfinal = 17.05 mL Determine the following: a. What is the balanced chemical equation for this reaction? (Hint: See Equations 1-4.)  b. What is the vapor pressure of water? c. What is the partial pressure of carbon dioxide?

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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A student caried out this experiment and obtained the following data:

 Patm = 656.7 mm Hg    Vinitial  = 0.30 mL    Mass of Alka-Seltzer sample = 0.123 g     TH2O  = 27.0°C                         Vfinal = 17.05 mL

Determine the following:

a. What is the balanced chemical equation for this reaction? (Hint: See Equations 1-4.) 

b. What is the vapor pressure of water?

c. What is the partial pressure of carbon dioxide? 

Carbonates and bicarbonates react with acids as follows:
CaCO3 (aq) + 2 HCl (aq) → CO₂ (g) + H₂O (1) + CaCl₂ (aq)
(NH₂)₂CO3 (aq) + H₂SO (aq) →→ CO₂ (g) + H₂O (1)+ (NH4)₂SO4 (aq)
NaHCO, (aq) + HNO,(aq) → CO, (g) + H,O (l) + NaNO, (aq)
+]
Ca(HCO3)₂ (aq) + H₂SO4 (aq) → 2 CO₂ (g) + 2 H₂O (1) + CaSO4 (aq)
2
(1)
(2)
(3)
(4)
Transcribed Image Text:Carbonates and bicarbonates react with acids as follows: CaCO3 (aq) + 2 HCl (aq) → CO₂ (g) + H₂O (1) + CaCl₂ (aq) (NH₂)₂CO3 (aq) + H₂SO (aq) →→ CO₂ (g) + H₂O (1)+ (NH4)₂SO4 (aq) NaHCO, (aq) + HNO,(aq) → CO, (g) + H,O (l) + NaNO, (aq) +] Ca(HCO3)₂ (aq) + H₂SO4 (aq) → 2 CO₂ (g) + 2 H₂O (1) + CaSO4 (aq) 2 (1) (2) (3) (4)
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