Tutored Practice Problem 5.5.1 COUNIS TOWARDS GRADE Use Hess's law to calculate enthalpy change. Given the following two reactions: (1)Ba(s) + Cl2(g)- →BaCl2(s) AH(1) = -858.6 kJ (2)Zn(s) + Cl½(g)–¬ZnCl½(s) AH(2) = -415.1 kJ calculate the enthalpy change for the following reaction: (3) BaCl2(s) + Zn(s)→ Ba(s) + ZnCl½(s) AH(3) = kJ Check & Submit Answer Show Approach

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**Tutored Practice Problem 5.5.1** (COUNTS TOWARDS GRADE)

**Use Hess's Law to calculate enthalpy change.**

Given the following two reactions:

(1) Ba(s) + Cl₂(g) → BaCl₂(s)     ΔH(1) = -858.6 kJ

(2) Zn(s) + Cl₂(g) → ZnCl₂(s)     ΔH(2) = -415.1 kJ

Calculate the enthalpy change for the following reaction:

(3) BaCl₂(s) + Zn(s) → Ba(s) + ZnCl₂(s)     ΔH(3) = [_____] kJ

**[Check & Submit Answer]**  [Show Approach]
Transcribed Image Text:**Tutored Practice Problem 5.5.1** (COUNTS TOWARDS GRADE) **Use Hess's Law to calculate enthalpy change.** Given the following two reactions: (1) Ba(s) + Cl₂(g) → BaCl₂(s) ΔH(1) = -858.6 kJ (2) Zn(s) + Cl₂(g) → ZnCl₂(s) ΔH(2) = -415.1 kJ Calculate the enthalpy change for the following reaction: (3) BaCl₂(s) + Zn(s) → Ba(s) + ZnCl₂(s) ΔH(3) = [_____] kJ **[Check & Submit Answer]** [Show Approach]
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