**Thermochemical Equation and Enthalpy Calculation**Given the following thermochemical equations:1. \( X_2 + 3Y_2 \rightarrow 2XY_3 \) \( \Delta H_1 = -380 \text{ kJ} \)2. \( X_2 + 2Z_2 \rightarrow 2XZ_2 \) \( \Delta H_2 = -120 \text{ kJ} \)3. \( 2Y_2 + Z_2 \rightarrow 2Y_2Z \) \( \Delta H_3 = -270 \text{ kJ} \)**Objective:**Calculate the change in enthalpy for the reaction:\[ 4XY_3 + 7Z_2 \rightarrow 6Y_2Z + 4XZ_2 \]### Explanation:#### Step-by-Step Approach:1. **Identify the Target Reaction:** \[ 4XY_3 + 7Z_2 \rightarrow 6Y_2Z + 4XZ_2 \] 2. **Express the Target Reaction using Given Equations:** By manipulating the given equations, try to arrive at the target reaction. Consider the following transformations and additions: Multiply the first equation by 2: \[ 2(X_2 + 3Y_2 \rightarrow 2XY_3) \] Simplifies to: \[ 2X_2 + 6Y_2 \rightarrow 4XY_3 \] \( \Delta H_1' = 2 \times -380 \text{ kJ} = -760 \text{ kJ} \) Using the third equation as it is: \[ 2Y_2 + Z_2 \rightarrow 2Y_2Z \] \( \Delta H_3 = -270 \text{ kJ} \) To match the required coefficients: By multiplying the third equation by 3: \[ 3(2Y_2 + Z_2 \rightarrow 2Y_2Z) \] Simplifies to: \[ 6Y_2 + 3Z_2 \rightarrow 6Y_2Z \] \( \Delta H_3' = 3 \times -270 \text{ kJ} = -810 \text{

It is based on the concept of enthalpy change of the reaction.Here we are required to find the…

Given the thermochemical equations X₂ + 3 Y₂ → 2XY3 X₂ +2Z₂ → 2XZ₂ AH₁ = -380 kJ AH₂ = -120 kJ 2Y₂+Z₂2Y₂Z AH3 = -270 kJ Calculate the change in enthalpy for the reaction. 4XY3 +7Z₂ →→ 6Y₂Z + 4 XZ₂

Given the thermochemical equations X₂ + 3 Y₂ → 2XY3 X₂ +2Z₂ → 2XZ₂ AH₁ = -380 kJ AH₂ = -120 kJ 2Y₂+Z₂2Y₂Z AH3 = -270 kJ Calculate the change in enthalpy for the reaction. 4XY3 +7Z₂ →→ 6Y₂Z + 4 XZ₂

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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