### Combustion of C₈H₁₈(l) #### Part A **Objective:** Write a balanced equation for the combustion of 1 mol of C₈H₁₈(l). **Instructions:** Express your answer as a chemical equation including improper fractions for fractional coefficients. Identify all of the phases in your answer. **Balanced Equation:** \[ 2 \text{C}_8\text{H}_{18(l)} + \frac{25}{2} \text{O}_2 (g) \rightarrow 16 \text{CO}_2 (g) + 18 \text{H}_2\text{O} (g) \] Status: ✔️ Correct --- ### Part B **Objective:** Calculate the standard enthalpy change (\(\Delta H_f^\circ\)) for 2,3,4-trimethylpentane using the provided information. #### **Data Table:** | **Substance** | **Formula** | \(\Delta H_f^\circ \text{ (kJ/mol)}\) | |--------------------------|--------------|-----------------| | Acetylene | C₂H₂(g) | 226.7 | | Ammonia | NH₃(g) | -45.9 | | Benzene | C₆H₆(l) | 49.0 | | Calcium carbonate | CaCO₃(s) | -1207.1 | | Calcium carbonate | CaCO₃(aq) | -635.5 | | Calcium oxide | CaO(s) | -635.5 | | Carbon dioxide | CO₂(g) | -393.5 | | Carbon monoxide | CO(g) | -110.5 | | Diamond | C(s) | 1.88 | | Ethane | C₂H₆(g) | -84.68 | | Ethanol | C₂H₅OH(l) | -277.0 | | Ethylene | C₂H₄(g) | 52.47 | | Glucose | C₆H₁₂O₆(s) | -1273 | | Hydrogen bromide | HBr(g) | -36.23
### Combustion of C₈H₁₈(l) #### Part A **Objective:** Write a balanced equation for the combustion of 1 mol of C₈H₁₈(l). **Instructions:** Express your answer as a chemical equation including improper fractions for fractional coefficients. Identify all of the phases in your answer. **Balanced Equation:** \[ 2 \text{C}_8\text{H}_{18(l)} + \frac{25}{2} \text{O}_2 (g) \rightarrow 16 \text{CO}_2 (g) + 18 \text{H}_2\text{O} (g) \] Status: ✔️ Correct --- ### Part B **Objective:** Calculate the standard enthalpy change (\(\Delta H_f^\circ\)) for 2,3,4-trimethylpentane using the provided information. #### **Data Table:** | **Substance** | **Formula** | \(\Delta H_f^\circ \text{ (kJ/mol)}\) | |--------------------------|--------------|-----------------| | Acetylene | C₂H₂(g) | 226.7 | | Ammonia | NH₃(g) | -45.9 | | Benzene | C₆H₆(l) | 49.0 | | Calcium carbonate | CaCO₃(s) | -1207.1 | | Calcium carbonate | CaCO₃(aq) | -635.5 | | Calcium oxide | CaO(s) | -635.5 | | Carbon dioxide | CO₂(g) | -393.5 | | Carbon monoxide | CO(g) | -110.5 | | Diamond | C(s) | 1.88 | | Ethane | C₂H₆(g) | -84.68 | | Ethanol | C₂H₅OH(l) | -277.0 | | Ethylene | C₂H₄(g) | 52.47 | | Glucose | C₆H₁₂O₆(s) | -1273 | | Hydrogen bromide | HBr(g) | -36.23
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...
Related questions
Question
![### Combustion of C₈H₁₈(l)
#### Part A
**Objective:** Write a balanced equation for the combustion of 1 mol of C₈H₁₈(l).
**Instructions:** Express your answer as a chemical equation including improper fractions for fractional coefficients. Identify all of the phases in your answer.
**Balanced Equation:**
\[ 2 \text{C}_8\text{H}_{18(l)} + \frac{25}{2} \text{O}_2 (g) \rightarrow 16 \text{CO}_2 (g) + 18 \text{H}_2\text{O} (g) \]
Status: ✔️ Correct
---
### Part B
**Objective:** Calculate the standard enthalpy change (\(\Delta H_f^\circ\)) for 2,3,4-trimethylpentane using the provided information.
#### **Data Table:**
| **Substance** | **Formula** | \(\Delta H_f^\circ \text{ (kJ/mol)}\) |
|--------------------------|--------------|-----------------|
| Acetylene | C₂H₂(g) | 226.7 |
| Ammonia | NH₃(g) | -45.9 |
| Benzene | C₆H₆(l) | 49.0 |
| Calcium carbonate | CaCO₃(s) | -1207.1 |
| Calcium carbonate | CaCO₃(aq) | -635.5 |
| Calcium oxide | CaO(s) | -635.5 |
| Carbon dioxide | CO₂(g) | -393.5 |
| Carbon monoxide | CO(g) | -110.5 |
| Diamond | C(s) | 1.88 |
| Ethane | C₂H₆(g) | -84.68 |
| Ethanol | C₂H₅OH(l) | -277.0 |
| Ethylene | C₂H₄(g) | 52.47 |
| Glucose | C₆H₁₂O₆(s) | -1273 |
| Hydrogen bromide | HBr(g) | -36.23](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9f02e1f7-2743-473a-84d2-31c18cc45e77%2Fd058c135-60fb-47d2-b4a0-ed7a47a7cd86%2Fnz3biio.jpeg&w=3840&q=75)
Transcribed Image Text:### Combustion of C₈H₁₈(l)
#### Part A
**Objective:** Write a balanced equation for the combustion of 1 mol of C₈H₁₈(l).
**Instructions:** Express your answer as a chemical equation including improper fractions for fractional coefficients. Identify all of the phases in your answer.
**Balanced Equation:**
\[ 2 \text{C}_8\text{H}_{18(l)} + \frac{25}{2} \text{O}_2 (g) \rightarrow 16 \text{CO}_2 (g) + 18 \text{H}_2\text{O} (g) \]
Status: ✔️ Correct
---
### Part B
**Objective:** Calculate the standard enthalpy change (\(\Delta H_f^\circ\)) for 2,3,4-trimethylpentane using the provided information.
#### **Data Table:**
| **Substance** | **Formula** | \(\Delta H_f^\circ \text{ (kJ/mol)}\) |
|--------------------------|--------------|-----------------|
| Acetylene | C₂H₂(g) | 226.7 |
| Ammonia | NH₃(g) | -45.9 |
| Benzene | C₆H₆(l) | 49.0 |
| Calcium carbonate | CaCO₃(s) | -1207.1 |
| Calcium carbonate | CaCO₃(aq) | -635.5 |
| Calcium oxide | CaO(s) | -635.5 |
| Carbon dioxide | CO₂(g) | -393.5 |
| Carbon monoxide | CO(g) | -110.5 |
| Diamond | C(s) | 1.88 |
| Ethane | C₂H₆(g) | -84.68 |
| Ethanol | C₂H₅OH(l) | -277.0 |
| Ethylene | C₂H₄(g) | 52.47 |
| Glucose | C₆H₁₂O₆(s) | -1273 |
| Hydrogen bromide | HBr(g) | -36.23
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY