Given the thermochemical equations:\[ X_2 + 3Y_2 \rightarrow 2XY_3 \quad \Delta H_1 = -380 \, \text{kJ} \]\[ X_2 + 2Z_2 \rightarrow 2XZ_2 \quad \Delta H_2 = -110 \, \text{kJ} \]\[ 2Y_2 + Z_2 \rightarrow 2Y_2Z \quad \Delta H_3 = -280 \, \text{kJ} \]Calculate the change in enthalpy for the reaction:\[ 4XY_3 + 7Y_2 \rightarrow 6Y_2Z + 4XZ_2 \]\[ \Delta H = \underline{\hspace{2cm}} \, \text{kJ} \]

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Given the thermochemical equations X, +3 Y, – 2XY3 AH1 = -380 kJ X, +2Z, ► 2 XZ, AH2 = -110 kJ 2 Y, + Z, → 2 Y,Z AH3 = -280 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, - > 6 Y,Z + 4XZ, ΔΗ kJ

Given the thermochemical equations X, +3 Y, – 2XY3 AH1 = -380 kJ X, +2Z, ► 2 XZ, AH2 = -110 kJ 2 Y, + Z, → 2 Y,Z AH3 = -280 kJ Calculate the change in enthalpy for the reaction. 4XY, + 7Z, - > 6 Y,Z + 4XZ, ΔΗ 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

Given the thermochemical equations:

\[
X_2 + 3Y_2 \rightarrow 2XY_3 \quad \Delta H_1 = -380 \, \text{kJ}
\]

\[
X_2 + 2Z_2 \rightarrow 2XZ_2 \quad \Delta H_2 = -110 \, \text{kJ}
\]

\[
2Y_2 + Z_2 \rightarrow 2Y_2Z \quad \Delta H_3 = -280 \, \text{kJ}
\]

Calculate the change in enthalpy for the reaction:

\[
4XY_3 + 7Y_2 \rightarrow 6Y_2Z + 4XZ_2
\]

\[
\Delta H = \underline{\hspace{2cm}} \, \text{kJ}
\]

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