Given the Following Information

question 27

Multiple Choice

Given the following information:
¹/₂ N₂ (g) + ¹/₂ O₂ (g) →NO (g) D H = 90.3 kJ NO (g) + ¹/₂ Cl₂ (g) →NOCl (g) D H = - 38.6 kJ What is the enthalpy of reaction D H _rxn for the reaction that follows?
2 NOCl (g) →N₂ (g) + O₂ (g) + Cl₂ (g) D H _{net rxn} = ??

• A) D H = - 257.8 kJ
• B) D H = - 103.4 kJ
• C) D H = - 25.9 kJ
• D) D H = - 13.1 kJ
• E) D H = 51.7 kJ

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Definitions:

Total Cost

The complete cost of production or providing a service, including fixed and variable costs.

Cycle Inventory

The average inventory a business maintains to satisfy its normal demand during a production or purchasing cycle.

Economies of Scale

Cost advantages obtained by businesses when production becomes efficient, leading to lower per-unit costs.

Profit

The financial gain, typically the difference between the amount earned from selling goods or services and the costs of producing them.