The value of AH' for the decomposition of calcium chloride into its constituent elements, CaCl2 (s) → Ca (s) + Cl2 (g) is kJ/mol. O 0.00 +397.9 O -397.9 -795.8 +795.8

Chemistry for Engineering Students
3rd Edition
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter1: Introduction To Chemistry
Section: Chapter Questions
Problem 1.77PAE
icon
Related questions
Question

The value of trangle H for the decompisition.. 

Use the table below to answer the question that follow.
Thermodynamic Quantites for Selected Substances at 298.15 K (25°C)
AH°; (kJ/mol)
AG"; (kJ/mol)
S (J/K-mol)
Substance
Calcium
Ca (s)
41.4
CaCl2 (s)
-795.8
-748.1
104.6
Ca2* (aq)
226.7
209.2
200.8
Clorine
Cl2 (g)
222.96
-167.2
-131.2
56.5
Охудеn
02 (9)
H20 (1)
205.0
-285.83
-237.13
69.91
Phosphorus
P2
144.3
103.7
218.1
PCI3 (9)
POCI3 (g)
-288.1
-269.6
311.7
-542.2
-502.5
325
Sulfur
S (s, rhombic)
31.88
SO2 (g)
-269.9
-300.4
248.5
So3 (g)
-395.2
-370.4
256.2
Part A
The value of AH for the decomposition of calcium chloride into its constituent elements,
CaCl, (s) → Ca (s) + Cl2 (g)
is
kJ/mol.
0.00
+397.9
-397.9
-795.8
+795.8
Transcribed Image Text:Use the table below to answer the question that follow. Thermodynamic Quantites for Selected Substances at 298.15 K (25°C) AH°; (kJ/mol) AG"; (kJ/mol) S (J/K-mol) Substance Calcium Ca (s) 41.4 CaCl2 (s) -795.8 -748.1 104.6 Ca2* (aq) 226.7 209.2 200.8 Clorine Cl2 (g) 222.96 -167.2 -131.2 56.5 Охудеn 02 (9) H20 (1) 205.0 -285.83 -237.13 69.91 Phosphorus P2 144.3 103.7 218.1 PCI3 (9) POCI3 (g) -288.1 -269.6 311.7 -542.2 -502.5 325 Sulfur S (s, rhombic) 31.88 SO2 (g) -269.9 -300.4 248.5 So3 (g) -395.2 -370.4 256.2 Part A The value of AH for the decomposition of calcium chloride into its constituent elements, CaCl, (s) → Ca (s) + Cl2 (g) is kJ/mol. 0.00 +397.9 -397.9 -795.8 +795.8
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Photochemistry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781285199023
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning