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14-65. When 2.50 grams of oxalic acid, H₂C₂O40 burned in a bomb calorimeter that has a tota capacity of 8.75 kJ.K-¹, the temperature increa 0.780 K. Calculate the standard molar entha combustion of oxalic acid. Assume AHnAUrxn. this result and the AH values for CO₂(g) and H given in Table 14.3, calculate the molar entha formation of oxalic acid at 25°℃.

14-65. When 2.50 grams of oxalic acid, H₂C₂O40 burned in a bomb calorimeter that has a tota capacity of 8.75 kJ.K-¹, the temperature increa 0.780 K. Calculate the standard molar entha combustion of oxalic acid. Assume AHnAUrxn. this result and the AH values for CO₂(g) and H given in Table 14.3, calculate the molar entha formation of oxalic acid at 25°℃.

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
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.97QP: When 1.000 g of gaseous butane, C4H10, is burned at 25C and 1.00 atm pressure, H2O(l) and CO2(g) are...
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14-65. When 2.50 grams of oxalic acid, H₂C₂O4(s), are burned in a bomb calorimeter that has a total heat capacity of 8.75 kJ.K¹, the temperature increases by 0.780 K. Calculate the standard molar enthalpy of combustion of oxalic acid. Assume AHxn~ AUrxn. Using this result and the AH values for CO₂(g) and H₂O(l) given in Table 14.3, calculate the molar enthalpy of formation of oxalic acid at 25°C.
Transcribed Image Text:14-65. When 2.50 grams of oxalic acid, H₂C₂O4(s), are burned in a bomb calorimeter that has a total heat capacity of 8.75 kJ.K¹, the temperature increases by 0.780 K. Calculate the standard molar enthalpy of combustion of oxalic acid. Assume AHxn~ AUrxn. Using this result and the AH values for CO₂(g) and H₂O(l) given in Table 14.3, calculate the molar enthalpy of formation of oxalic acid at 25°C.
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