Use the Data Given Below to Construct a Born-Haber Cycle

question 71

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the bond energy of O₂. DH°(kJ)
Na(s) → Na(g) 107
Na(g) → Na⁺(g) + e⁻ 496
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O²⁻(g) 878
2 Na(s) + O₂(g) → Na₂O(s) -416
2 Na⁺(g) + O²⁻(g) → Na₂O(s) -2608

• A) 426 kJ
• B) 249 kJ
• C) 852 kJ
• D) 498 kJ
• E) 356 kJ

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Definitions:

Reward-to-risk Ratio

A measure used to compare the expected returns of an investment to the amount of risk undertaken to capture these returns.

Market Risk Premium

Market Risk Premium refers to the excess return that an investor anticipates receiving from a risky market portfolio over that of risk-free securities.

Security Market Line

A line on a graph that describes the relationship between risk and expected return, used in the capital asset pricing model.

Security Market Line

A line that represents the relationship between the expected return of a security and its systemic risk, illustrating the risk-return tradeoff in the capital asset pricing model.