Enthalpy changes for the following reactions can be determined experimentally A2 (g) + 3 C2 (g) 2AC3 (g) AH =-175 kJ/mol 4AC3 (g) + 5B2 (g) 4AB (g) + 6C2B (g) AH -1,176 kJ/mol C2 (g) + 1/2 B2 (g) C2B (g) AH° -162 kJ/mol Use these values to determine the enthalpy change for this reaction: 1/2 A2 (g) + 1/2 B2 (g) AB (g) AH =? Enter your answer in kJ/mol to 0 decimal places and without units.

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Chapter1: Chemical Foundations
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Enthalpy changes for the following reactions can be determined experimentally:
) -
A2 (g) + 3 C2 (g)
4AC3 (g) + 5B2 (g) 4AB (g) + 6C2B (g)
C, (g) + 1/2 B2 (g) C2B (g) AH -
-→2AC3 (g) AH --175 kJ/mol
ΔΗ.
-162kJ/mol.
--1,176 kU/mol
Use these values to determine the enthalpy change for this reaction:
1/2 A2 (g) + 1/2 B2 (g) → AB (g) AH = ?
Enter your answer in kJ/mol to 0 decimal places and without units.
Transcribed Image Text:Enthalpy changes for the following reactions can be determined experimentally: ) - A2 (g) + 3 C2 (g) 4AC3 (g) + 5B2 (g) 4AB (g) + 6C2B (g) C, (g) + 1/2 B2 (g) C2B (g) AH - -→2AC3 (g) AH --175 kJ/mol ΔΗ. -162kJ/mol. --1,176 kU/mol Use these values to determine the enthalpy change for this reaction: 1/2 A2 (g) + 1/2 B2 (g) → AB (g) AH = ? Enter your answer in kJ/mol to 0 decimal places and without units.
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