MISSED THIS? Watch IWE: Standard Enthalpies of Formation; Read Section 7.9. You can click on theReview link to access the section in your eText.Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C.Substance AH; (kJ/mol) Substance AH; (kJ/mol) Substance AH; (kJ/mol)Al(g)HCl(aq)NF₂ (g)Al₂O₂ (s)Cr(g)NH:(E)F(g)C(g)CH₂(g)C₂H₂(g)C₂H₂(g)C₂H6(g)CO(g)CO₂ (g)Cl(g)HCl(g)330.0-1675.7716.7-74.6227.452.4-84.68-110.5-393.5121.3-92.3HF(g)HF (aq)H(g)Fe(g)FeO(s)Fe₂O₂ (s)Fe₂O4(s)N(g)-167.2396.679.38-273.3-335.0218.0416.3-272.0-824.2-1118.4472.7NH3(aq)O(g)O₂(g)S(g)SO₂(g)SO3(g)Sn(g)SnO(s)SnO₂ (s)-132.1-45.9-80.29249.2142.7277.2-296.8-395.7301.2-280.7-577.6Part AEnter an equation for the formation of HF(g) from its elements in their standard states.Express your answer as a chemical equation including phases.Part CΑΣΦ6A chemical reaction does not occur for this question.Part B Complete previous part(s)Request AnswerPart EEnter an equation for the formation of SO₂ (g) from its elements in their standard states.Express your answer as a chemical equation including phases.ΑΣΦ "Part D Complete previous part(s)▼ Part GRequest AnswerA chemical reaction does not occur for this question.ΑΣΦ ACEnter an equation for the formation of Fe₂O3(s) from its elements in their standard states.Express your answer as a chemical equation including phases.Request AnswerPart F Complete previous part(s)?CA chemical reaction does not occur for this question.ΑΣΦ A?Request AnswerEnter an equation for the formation of C₂H₂(g) from its elements in their standard states.Express your answer as a chemical equation including phases.Ò??A chemical reaction does not occur for this question.

Enthalpy of formation is defined a the enthalpy change when one mole of substance is produces from…

Part A Enter an equation for the formation of HF(g) from its elements in their standard states. Express your answer as a chemical equation including phases. A chemical reaction does not occur for this question. Part C ΑΣΦ Complete previous part(s) Request Answer Enter an equation for the formation of SO₂ (g) from its elements in their standard states. Express your answer as a chemical equation including phases. Part E ΑΣΦ A chemical reaction does not occur for this question. Complete previous part(s) Request Answer Part G ? Enter an equation for the formation of Fe₂O₂ (s) from its elements in their standard states. Express your answer as a chemical equation including phases. == |ΑΣΦ- ^ Request Answer Complete previous part(s) A chemical reaction does not occur for this question ? ΑΣΦ ? an equa the formation of C₂H₂(g) om its elements in their standard states Express your answer as a chemical equation including phases. Request Answer ? A chemical reaction does not occur for this question.

Part A Enter an equation for the formation of HF(g) from its elements in their standard states. Express your answer as a chemical equation including phases. A chemical reaction does not occur for this question. Part C ΑΣΦ Complete previous part(s) Request Answer Enter an equation for the formation of SO₂ (g) from its elements in their standard states. Express your answer as a chemical equation including phases. Part E ΑΣΦ A chemical reaction does not occur for this question. Complete previous part(s) Request Answer Part G ? Enter an equation for the formation of Fe₂O₂ (s) from its elements in their standard states. Express your answer as a chemical equation including phases. == |ΑΣΦ- ^ Request Answer Complete previous part(s) A chemical reaction does not occur for this question ? ΑΣΦ ? an equa the formation of C₂H₂(g) om its elements in their standard states Express your answer as a chemical equation including phases. Request Answer ? A chemical reaction does not occur for this question.

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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Concept explainers

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

MISSED THIS? Watch IWE: Standard Enthalpies of Formation; Read Section 7.9. You can click on the
Review link to access the section in your eText.
Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25 °C.
Substance AH; (kJ/mol) Substance AH; (kJ/mol) Substance AH; (kJ/mol)
Al(g)
HCl(aq)
NF₂ (g)
Al₂O₂ (s)
Cr(g)
NH:(E)
F(g)
C(g)
CH₂(g)
C₂H₂(g)
C₂H₂(g)
C₂H6(g)
CO(g)
CO₂ (g)
Cl(g)
HCl(g)
330.0
-1675.7
716.7
-74.6
227.4
52.4
-84.68
-110.5
-393.5
121.3
-92.3
HF(g)
HF (aq)
H(g)
Fe(g)
FeO(s)
Fe₂O₂ (s)
Fe₂O4(s)
N(g)
-167.2
396.6
79.38
-273.3
-335.0
218.0
416.3
-272.0
-824.2
-1118.4
472.7
NH3(aq)
O(g)
O₂(g)
S(g)
SO₂(g)
SO3(g)
Sn(g)
SnO(s)
SnO₂ (s)
-132.1
-45.9
-80.29
249.2
142.7
277.2
-296.8
-395.7
301.2
-280.7
-577.6
Part A
Enter an equation for the formation of HF(g) from its elements in their standard states.
Express your answer as a chemical equation including phases.
Part C
ΑΣΦ
6
A chemical reaction does not occur for this question.
Part B Complete previous part(s)
Request Answer
Part E
Enter an equation for the formation of SO₂ (g) from its elements in their standard states.
Express your answer as a chemical equation including phases.
ΑΣΦ "
Part D Complete previous part(s)
▼ Part G
Request Answer
A chemical reaction does not occur for this question.
ΑΣΦ A
C
Enter an equation for the formation of Fe₂O3(s) from its elements in their standard states.
Express your answer as a chemical equation including phases.
Request Answer
Part F Complete previous part(s)
?
C
A chemical reaction does not occur for this question.
ΑΣΦ A
?
Request Answer
Enter an equation for the formation of C₂H₂(g) from its elements in their standard states.
Express your answer as a chemical equation including phases.
Ò
?
?
A chemical reaction does not occur for this question.

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