Given the thermodynamic data in the table below, calculate the equlibirum constant (at 298 K) for the reaction below: 2502 (g) + 02 (g) 2503 (g) Substance AH°F (k) / mol) S° U/ mol-K) SO2 (g) 249 -297 205 02 (g) S03 (g) -395 256 a) calculate the AH for the reaction using Hess's Law and the data above (report your units): AHn=EnxH products 2mx Hi reactants b) calculate the AS for the reaction using the data above (report your units) ASPxn=EnxS products 2mx S reactants C) calculate the AG for the reaction at 25 °C (298 K) (again pay attention to your units) (report your answer in kJ {1 kJ = 1000 J})
Given the thermodynamic data in the table below, calculate the equlibirum constant (at 298 K) for the reaction below: 2502 (g) + 02 (g) 2503 (g) Substance AH°F (k) / mol) S° U/ mol-K) SO2 (g) 249 -297 205 02 (g) S03 (g) -395 256 a) calculate the AH for the reaction using Hess's Law and the data above (report your units): AHn=EnxH products 2mx Hi reactants b) calculate the AS for the reaction using the data above (report your units) ASPxn=EnxS products 2mx S reactants C) calculate the AG for the reaction at 25 °C (298 K) (again pay attention to your units) (report your answer in kJ {1 kJ = 1000 J})
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please answer a,b,c, and d!!
Transcribed Image Text:Given the thermodynamic data in the table below, calculate the equlibirum constant (at 298 K) for the reaction below:
2502 (g) + 02 (g) 2503 (g)
5° U/ mol-K)
AH°F (k)/ mol)
Substance
249
-297
SO2 (g)
02 (g)
SO3 (g)
205
256
-395
a) calculate the AH for the reaction using Hess's Law and the data above (report your units):
Znx H products 2mxH; reactants
b) calculate the AS for the reaction using the data above (report your units)
AS xn-EnxSproducts mxS",
Σmxs
reactants
) calculate the AG for the reaction at 25 °C (298 K) (again pay attention to your units) (report your answer in kj (1 kJ = 1000 J})
d) calculate the temperature at which the reaction is at equilibrium (AG = 0)
AG = AH-TAS
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