Given the thermochemical equations X, + 3 Y, – 2XY, AH1 = -390 kJ X, + 2Z, → 2XZ, AH2 = -170 kJ 2Y, + Z, → 2Y,Z AH3 = -250 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, – 6 Y,Z + 4XZ, ΔΗΞ kJ
Given the thermochemical equations X, + 3 Y, – 2XY, AH1 = -390 kJ X, + 2Z, → 2XZ, AH2 = -170 kJ 2Y, + Z, → 2Y,Z AH3 = -250 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, – 6 Y,Z + 4XZ, ΔΗΞ kJ
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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Question 13
![Given the thermochemical equations:
1. \( X_2 + 3 \, Y_2 \rightarrow 2 \, XY_3 \) \hspace{10pt} \( \Delta H_1 = -390 \, \text{kJ} \)
2. \( X_2 + 2 \, Z_2 \rightarrow 2 \, XZ_2 \) \hspace{10pt} \( \Delta H_2 = -170 \, \text{kJ} \)
3. \( 2 \, Y_2 + Z_2 \rightarrow 2 \, Y_2Z \) \hspace{10pt} \( \Delta H_3 = -250 \, \text{kJ} \)
Calculate the change in enthalpy for the reaction:
\[ 4 \, XY_3 + 7 \, Z_2 \rightarrow 6 \, Y_2Z + 4 \, XZ_2 \]
\[ \Delta H = \] \_\_\_\_\_\_\_\_\_\_ \hspace{10pt} kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe4db1e84-75df-498d-9686-5cabfd0e0c2f%2F429aaaca-f7c0-49f2-aca5-7480f144b9bc%2Flpspt9t_processed.png&w=3840&q=75)
Transcribed Image Text:Given the thermochemical equations:
1. \( X_2 + 3 \, Y_2 \rightarrow 2 \, XY_3 \) \hspace{10pt} \( \Delta H_1 = -390 \, \text{kJ} \)
2. \( X_2 + 2 \, Z_2 \rightarrow 2 \, XZ_2 \) \hspace{10pt} \( \Delta H_2 = -170 \, \text{kJ} \)
3. \( 2 \, Y_2 + Z_2 \rightarrow 2 \, Y_2Z \) \hspace{10pt} \( \Delta H_3 = -250 \, \text{kJ} \)
Calculate the change in enthalpy for the reaction:
\[ 4 \, XY_3 + 7 \, Z_2 \rightarrow 6 \, Y_2Z + 4 \, XZ_2 \]
\[ \Delta H = \] \_\_\_\_\_\_\_\_\_\_ \hspace{10pt} kJ
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