The Heat of Solution of KCl Is 17

question 98

Multiple Choice

The heat of solution of KCl is 17.2 kJ/mol and the lattice energy of KCl(s) is 701.2 kJ/mol. Calculate the total heat of hydration of 1.00 mol of gas phase K⁺ ions and Cl^- ions.

• A) -718 kJ
• B) -684 kJ
• C) 684 kJ
• D) 718 kJ
• E) None of these.

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Definitions:

Level of Significance

The threshold chosen by the researcher below which a p-value indicates that the observed result is statistically unlikely to have occurred by chance.

Expected Frequency

The predicted number of times an event will occur over a specified period in a statistical experiment.

Cramér's V

Cramér's V is a measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of the relationship.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1.