3. What is AH for the reaction: 2 CO9+Ozg → 2 COzig) if: (1) Cu+ 1/2 Ozo → COg) (2) Cơi + Ozie) → COz) AH = -111 kJ-mol AH=-393 kJ-mol

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**Worksheet 18**

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**3. What is ΔH for the reaction: 2 CO(g) + O2(g) → 2 CO2(g) if:**

(1) C(s) + 1/2 O2(g) → CO(g)  ΔH = -111 kJ·mol⁻¹

(2) C(s) + O2(g) → CO2(g)  ΔH = -393 kJ·mol⁻¹

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*Note: The problem involves determining the change in enthalpy (ΔH) for the given reaction based on provided reactions with known enthalpy changes.*
Transcribed Image Text:**Worksheet 18** --- **3. What is ΔH for the reaction: 2 CO(g) + O2(g) → 2 CO2(g) if:** (1) C(s) + 1/2 O2(g) → CO(g) ΔH = -111 kJ·mol⁻¹ (2) C(s) + O2(g) → CO2(g) ΔH = -393 kJ·mol⁻¹ --- *Note: The problem involves determining the change in enthalpy (ΔH) for the given reaction based on provided reactions with known enthalpy changes.*
Expert Solution
Step 1

In order to find the /\H for the reaction we first write down the given data:

Change in enthalpy for the formation of CO= -111 kJ/mol.

Change in enthalpy for the reaction of carbon and oxygen= -393 kJ/mol.

/\H for the given reaction=?

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