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0.190 M in HCHO₂ (K₁ = 1.8 x 10-4) and 0.225 M in HC2H3O2 (K₁ = 1.8 x 10-5) Express your answer to two decimal places. 5. ΑΣΦ x xô ồ Vụ V pH = 6.4810¹ x x 1X1 BWO ? X.10n

0.190 M in HCHO₂ (K₁ = 1.8 x 10-4) and 0.225 M in HC2H3O2 (K₁ = 1.8 x 10-5) Express your answer to two decimal places. 5. ΑΣΦ x xô ồ Vụ V pH = 6.4810¹ x x 1X1 BWO ? X.10n

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.113QP: A 10.00-g sample of acetic acid, HC2H3O2, was burned in a bomb calorimeter in an excess of oxygen....
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Part C 0.190 M in HCHO2 (K₁ = 1.8 x 10-4) and 0.225 M in HC₂H3O2 (Ka = 1.8 x 10-5) Express your answer to two decimal places. ΠΠΙ ΑΣΦ xa Xb pH= 6.48 10 ● a b √x √x 18 Submit Previous Answers Request Answer <X IXI B ? X.10n 冈 Hood X Incorrect; Try Again; 4 attempts remaining Compare the strengths of the acids to determine whether they dissociate independently or whether the dissociation of one acid affects the dissociation of the other, and vice versa. If both acids are weak, prepare two ICE tables (where I means initial, C means change, and E means equilibrium), one for the dissociation of HCHO2 and one for the dissociation of HC2H3O2. Set up a system of equations that includes the expressions for both dissociation constants, and solve it.
Transcribed Image Text:Part C 0.190 M in HCHO2 (K₁ = 1.8 x 10-4) and 0.225 M in HC₂H3O2 (Ka = 1.8 x 10-5) Express your answer to two decimal places. ΠΠΙ ΑΣΦ xa Xb pH= 6.48 10 ● a b √x √x 18 Submit Previous Answers Request Answer <X IXI B ? X.10n 冈 Hood X Incorrect; Try Again; 4 attempts remaining Compare the strengths of the acids to determine whether they dissociate independently or whether the dissociation of one acid affects the dissociation of the other, and vice versa. If both acids are weak, prepare two ICE tables (where I means initial, C means change, and E means equilibrium), one for the dissociation of HCHO2 and one for the dissociation of HC2H3O2. Set up a system of equations that includes the expressions for both dissociation constants, and solve it.
The temperature rises from 25.00°C to 29.00°C in a bomb calorimeter when 3.50 g of sucrose undergoes combustion in a bomb calorimeter. Calculate AE for the combustion of sucrose in kJ/mol sucrose. The heat capacity of the calorimeter is 4.90 kJ/°C. The molar mass of sucrose is 342.3 g/mol.
Transcribed Image Text:The temperature rises from 25.00°C to 29.00°C in a bomb calorimeter when 3.50 g of sucrose undergoes combustion in a bomb calorimeter. Calculate AE for the combustion of sucrose in kJ/mol sucrose. The heat capacity of the calorimeter is 4.90 kJ/°C. The molar mass of sucrose is 342.3 g/mol.
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