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

question 44

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the second ionization energy of Ca. DH°(kJ)
Ca(s) → Ca(g) 193
Ca(g) → Ca⁺(g) + e⁻ 590.
2 O(g) → O₂(g) -498
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O²⁻(g) 878
Ca(s) + O₂(g) → CaO(s) -635
Ca²⁺(g) + O²⁻(g) → CaO(s) -3414

• A) 1010 kJ
• B) 1757 kJ
• C) 1508 kJ
• D) -3027 kJ
• E) -1514 kJ

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Definitions:

Sample Size

The count of data points or repeated measurements contained within a statistical sample.

Population Standard Deviation

A measure of the dispersion or spread of all individual values from the mean of a population.

Sample Size

The number of observations or experimental units selected from a population for the purposes of statistical analysis.

Population Standard Deviation

A measure of the dispersion or variation of a set of values in a population, quantifying how much the values differ from the population mean.