3. Pyrite (FeS2), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron oxides, iron sulfates, and sulfur dioxide gas. The reaction below is just one possibility. Given the following information: 2FES2(s) + 502(g)→ 2FE0(s) + 4S02(g) AH", = -1370 kJ/mol,pxn rxn AHƒ for SO2(g) = AH; for Fe0(s) = -297 kJ/mol -268 kJ/mol (a) Calculate the standard heat of formation, AH,E, for FeS,(s). (b) Is the formation of FeS2(s) from elements in their pure form endothermic or exothermic. How do you know? (c) If 137 g of FeS, are attacked by 02 molecules in the atmosphere, calculate the amount of heat absorbed or released. (d) Interestingly, iron is NOT oxidized or reduced by this reaction. Which atom is? Determine the oxidation numbers of that element on both sides of the equation
3. Pyrite (FeS2), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron oxides, iron sulfates, and sulfur dioxide gas. The reaction below is just one possibility. Given the following information: 2FES2(s) + 502(g)→ 2FE0(s) + 4S02(g) AH", = -1370 kJ/mol,pxn rxn AHƒ for SO2(g) = AH; for Fe0(s) = -297 kJ/mol -268 kJ/mol (a) Calculate the standard heat of formation, AH,E, for FeS,(s). (b) Is the formation of FeS2(s) from elements in their pure form endothermic or exothermic. How do you know? (c) If 137 g of FeS, are attacked by 02 molecules in the atmosphere, calculate the amount of heat absorbed or released. (d) Interestingly, iron is NOT oxidized or reduced by this reaction. Which atom is? Determine the oxidation numbers of that element on both sides of the equation
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 61PS: The standard enthalpy of formation of solid barium oxide, BaO, is 553.5 kJ/mol, and the standard...
Related questions
Question
Can you help me figure this out?
![3. Pyrite (FeS,), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron
oxides, iron sulfates, and sulfur dioxide gas. The reaction below is just one possibility. Given the
following information:
2FES2(s) + 502(g) → 2Fe0(s) + 4S02(g)
ΔΗ .
= -1370 kJ/molpxn
rxn
AH; for SO2(g) =
AH; for FeO(s) =
-297 kJ/mol
-268 kJ/mol
(a) Calculate the standard heat of formation, AHfº, for FeS2(s).
(b) Is the formation of FeS2(s) from elements in their pure form endothermic or exothermic.
How do you know?
(c) If 137 g of FeS, are attacked by 0, molecules in the atmosphere, calculate the amount of
heat absorbed or released.
(d) Interestingly, iron is NOT oxidized or reduced by this reaction. Which atom is? Determine
the oxidation numbers of that element on both sides of the equation](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F310fa1be-a638-47b3-9316-1b971054d314%2F51bc9802-90e6-421f-9cb3-b26d85db50e5%2F9nmyc3n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Pyrite (FeS,), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron
oxides, iron sulfates, and sulfur dioxide gas. The reaction below is just one possibility. Given the
following information:
2FES2(s) + 502(g) → 2Fe0(s) + 4S02(g)
ΔΗ .
= -1370 kJ/molpxn
rxn
AH; for SO2(g) =
AH; for FeO(s) =
-297 kJ/mol
-268 kJ/mol
(a) Calculate the standard heat of formation, AHfº, for FeS2(s).
(b) Is the formation of FeS2(s) from elements in their pure form endothermic or exothermic.
How do you know?
(c) If 137 g of FeS, are attacked by 0, molecules in the atmosphere, calculate the amount of
heat absorbed or released.
(d) Interestingly, iron is NOT oxidized or reduced by this reaction. Which atom is? Determine
the oxidation numbers of that element on both sides of the equation
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
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.Recommended textbooks for you
![Chemistry & Chemical Reactivity](https://www.bartleby.com/isbn_cover_images/9781133949640/9781133949640_smallCoverImage.gif)
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
![Chemistry & Chemical Reactivity](https://www.bartleby.com/isbn_cover_images/9781337399074/9781337399074_smallCoverImage.gif)
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
![General Chemistry - Standalone book (MindTap Cour…](https://www.bartleby.com/isbn_cover_images/9781305580343/9781305580343_smallCoverImage.gif)
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
![Chemistry & Chemical Reactivity](https://www.bartleby.com/isbn_cover_images/9781133949640/9781133949640_smallCoverImage.gif)
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
![Chemistry & Chemical Reactivity](https://www.bartleby.com/isbn_cover_images/9781337399074/9781337399074_smallCoverImage.gif)
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
![General Chemistry - Standalone book (MindTap Cour…](https://www.bartleby.com/isbn_cover_images/9781305580343/9781305580343_smallCoverImage.gif)
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
![Chemistry: Principles and Practice](https://www.bartleby.com/isbn_cover_images/9780534420123/9780534420123_smallCoverImage.gif)
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
![Chemistry: The Molecular Science](https://www.bartleby.com/isbn_cover_images/9781285199047/9781285199047_smallCoverImage.gif)
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
![Chemistry for Engineering Students](https://www.bartleby.com/isbn_cover_images/9781337398909/9781337398909_smallCoverImage.gif)
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning