List the reference values for AGr and S° of each reaction component and calculate AGand ASteoretical for the reaction. Using AG 0g and the average of the experimentally determined2.value for AH in this experiment, report semi-experimental value for AS (assume standardtemperature). Compare this value to the theoretical value (AStreoretical) and calculate a percenterror. What would cause any variance? (You must show your calculations.)Given: AG (kl/mol)S° (J/mol*K)O (kl/mol)41.6 (J/mol*K)-237.13 (kJ/mol)69.9 (J/mol*K)897.5 (kJ/mol)83.4 (J/mol*K)O (k//mol)131.0 (J/mol*K)AG (kJ/mol)S° (J/mol*K)Reaction ComponentCa(s)H20(1)Ca(OH)2(s)H2(g)3Does the sign on the experimental entropy value agree with the type of change? Data and ObservationsAH = -q/molesq = 4.18 x AT x m(m = mass of Water)CalciumTemperatureGrams%DGramsMoleATWater%3DTrial 1 1.0580.02640 2034.4514.451005,852-221.7KJ/molTrial 21.0230.025502034.2014.201005,935.6-232.8KJ/molAverage AH -227.2KJ/mol

(2) The balanced chemical reaction that takes place between Ca and H2O is expressed as,…

List the reference values for AG and s of each reaction component and calculate AG and ASteorstical for the reaction. Using AG on and the average of the experimentally determined value for AH in this experiment, report semi-experimental value for AS (assume standard 2. temperature). Compare this value to the theoretical value (AStheoretica) and calculate a percent error. What would cause any variance? (You must show your calculations.) Given: AG (kJ/mol) S° (U/mol*K) O (kl/mol) 41.6 (J/mol*K) -237.13 (kJ/mol) 69.9 (J/mol*K) 897.5 (kJ/mol) 83.4 (J/mol*K) O (kl/mol) 131.0 (J/mol*K) S° (J/mol*K) Reaction Component Ca(s) H20(1) Ca(OH)2(s) H2(g) AG (kJ/mol) 3 Does the sign on the experimental entropy value agree with the type of change?

List the reference values for AG and s of each reaction component and calculate AG and ASteorstical for the reaction. Using AG on and the average of the experimentally determined value for AH in this experiment, report semi-experimental value for AS (assume standard 2. temperature). Compare this value to the theoretical value (AStheoretica) and calculate a percent error. What would cause any variance? (You must show your calculations.) Given: AG (kJ/mol) S° (U/molK) O (kl/mol) 41.6 (J/molK) -237.13 (kJ/mol) 69.9 (J/molK) 897.5 (kJ/mol) 83.4 (J/molK) O (kl/mol) 131.0 (J/molK) S° (J/molK) Reaction Component Ca(s) H20(1) Ca(OH)2(s) H2(g) AG (kJ/mol) 3 Does the sign on the experimental entropy value agree with the type of change?

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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Question

List the reference values for AGr and S° of each reaction component and calculate AG
and ASteoretical for the reaction. Using AG 0g and the average of the experimentally determined
2.
value for AH in this experiment, report semi-experimental value for AS (assume standard
temperature). Compare this value to the theoretical value (AStreoretical) and calculate a percent
error. What would cause any variance? (You must show your calculations.)
Given: AG (kl/mol)
S° (J/mol*K)
O (kl/mol)
41.6 (J/mol*K)
-237.13 (kJ/mol)
69.9 (J/mol*K)
897.5 (kJ/mol)
83.4 (J/mol*K)
O (k//mol)
131.0 (J/mol*K)
AG (kJ/mol)
S° (J/mol*K)
Reaction Component
Ca(s)
H20(1)
Ca(OH)2(s)
H2(g)
3
Does the sign on the experimental entropy value agree with the type of change?

Data and Observations
AH = -q/moles
q = 4.18 x AT x m
(m = mass of Water)
Calcium
Temperature
Grams
%D
Grams
Mole
AT
Water
%3D
Trial 1 1.058
0.02640 20
34.45
14.45
100
5,852
-221.7KJ/mol
Trial 2
1.023
0.02550
20
34.20
14.20
100
5,935.6
-232.8KJ/mol
Average AH -227.2KJ/mol

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