Use the Born-Haber Cycle to Calculate the Lattice Energy of NaBr(s)

question 1

Multiple Choice

Use the Born-Haber cycle to calculate the lattice energy of NaBr(s) given the following data: $\Delta$ H(sublimation) Na = 109 kJ/mol
I₁ (Na) = 496 kJ/mol
Bond energy (Br-Br) = 192 kJ/mol
EA (Br) = 324 kJ/mol
$\Delta$ H_f (NaBr(s) ) = -361 kJ/mol

• A) 738 kJ/mol
• B) 748 kJ/mol
• C) 758 kJ/mol
• D) 768 kJ/mol
• E) None of the above

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Definitions:

Replicable

The ability of a study or experiment to be repeated and yield the same results.

Falsifiable

A criterion of the scientific method stating that for a proposition to be considered scientifically valid, it must be possible to conceive an observation that could prove the proposition false.

Psychoanalytic

Pertaining to a therapeutic and theoretical approach originated by Sigmund Freud that emphasizes unconscious motivations and conflicts in understanding human behavior.

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The process of conducting an experiment or study again to confirm the results of the original study.