Chemistry
3rd Edition
ISBN: 9780073402734
Author: Julia Burdge
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5.8, Problem 1PPA
Interpretation Introduction
Interpretation:
The standard enthalpy change of the reaction is to be calculated.
Concept introduction:
The enthalpy of a reactionthattakes place at standard conditions is known as the standard enthalpy of the reaction.
The standard enthalpy of formation of a compound is defined as the amount of heat change involved when 1mole of a particular compound is formed from its constituent elements in their standard states.
The standard enthalpy of formation of an element in its standard or most stable state is zero.
Enthalpy change of a reaction is the difference of “sum of enthalpy change of the products” and “sum of enthalpy change of the reactants.”
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Subject: che
A scientist measures the standard enthalpy change for the following reaction to be -201.7 kJ :
CO(g) + 3 H2(g) CH4(g) + H20(g)
Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CO(g) is
kJ/mol.
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Retry Entire Group
6 more group attempts remaining
QUESTION 2
Use the table below to determine ΔH for the following reaction
H 2C=CH 2(g) + F 2(g) ↔ CH 2FCH 2F(g)
Bond Energies, kJ/mol
Single Bonds
H
C
N
O
S
F
Cl
Br
I
H
432
C
411
346
N
386
305
167
O
459
358
201
142
S
363
272
---
---
286
F
565
485
283
190
284
155
Cl
428
327
313
218
255
249
240
Br
362
285
243
201
217
249
216
190
I
295
213
---
201
---
278
208
175
149
Multiple Bonds
C=C
602
C=N
615
C=O
799
C≡C
835
C≡N
887
C≡O
1072
N=N
418
N=O
607
S=O (in SO2)
532
N≡N
942
O2
494
S=O (in SO3)
469
Key Concept: ΔH° rxn = ∑ΔH ° bonds broken - ∑ΔH ° bonds formed
Chapter 5 Solutions
Chemistry
Ch. 5.1 - Practice Problem ATTEMPT
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Calculate the change in...
Ch. 5.2 - Practice ProblemBUILD Calculate the magnitude of q...Ch. 5.2 - Prob. 1PPCCh. 5.2 - Calculate the overall change in internal energy...Ch. 5.2 - Calculate w, and determine whether work is done by...Ch. 5.2 - Prob. 3CPCh. 5.2 - Prob. 4CPCh. 5.3 - Prob. 1PPACh. 5.3 - Prob. 1PPBCh. 5.3 - Prob. 1PPCCh. 5.3 - Given the thermochemical equation: H 2 ( g ) + Br...Ch. 5.3 - Given the thermochemical equation: 2Cu 2 O ( s ) →...Ch. 5.4 - Prob. 1PPACh. 5.4 - Prob. 1PPBCh. 5.4 - Prob. 1PPCCh. 5.4 - Prob. 1CPCh. 5.4 - Prob. 2CPCh. 5.4 - Prob. 3CPCh. 5.4 - 5.4.4 Quantities of 50.0 mL of 1.00 M HCl and 50.0...Ch. 5.5 - Prob. 1PPACh. 5.5 - Prob. 1PPBCh. 5.5 - Prob. 1PPCCh. 5.5 - Prob. 1CPCh. 5.5 - Prob. 2CPCh. 5.6 - Prob. 1PPACh. 5.6 - Prob. 1PPBCh. 5.6 - Prob. 1PPCCh. 5.6 - Prob. 1CPCh. 5.6 - Prob. 2CPCh. 5.6 - Prob. 3CPCh. 5.6 - Prob. 4CPCh. 5.7 - Prob. 1PPACh. 5.7 - Prob. 1PPBCh. 5.7 - Prob. 1PPCCh. 5.8 - Prob. 1PPACh. 5.8 - Prob. 1PPBCh. 5.8 - Practice ProblemCONCEPTUALIZE The diagrams...Ch. 5.9 - Practice ProblemATTEMPT Use the following data to...Ch. 5.9 - Prob. 1PPBCh. 5.9 - Prob. 1PPCCh. 5 - Using data from Appendix 2, calculate the standard...Ch. 5 - Prob. 2KSPCh. 5 - Prob. 3KSPCh. 5 - Using only whole-number coefficients, the...Ch. 5 - Prob. 1QPCh. 5 - Prob. 2QPCh. 5 - Prob. 3QPCh. 5 - 5.4 A truck initially trawling at 60 km/h is...Ch. 5 - These are various forms of energy: chemical, heat,...Ch. 5 - 5.6 Define these terms: thermochemistry,...Ch. 5 - 5.7 Stoichiometry is based on the law of...Ch. 5 - Prob. 8QPCh. 5 - Decomposition reactions are usually endothermic,...Ch. 5 - Prob. 10QPCh. 5 - Prob. 11QPCh. 5 - Prob. 12QPCh. 5 - Prob. 13QPCh. 5 - Prob. 14QPCh. 5 - Prob. 15QPCh. 5 - Prob. 16QPCh. 5 - Prob. 17QPCh. 5 - Use the following diagrams for Problems 5.17 and...Ch. 5 - Consider these changes. 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