The Standard Free Energy Change Associated with the Dissolution of Ammonium

question 20

Multiple Choice

The standard free energy change associated with the dissolution of ammonium nitrate in water is -6.73 kJ/mol at 298.15 K. NH₄NO₃(s) NH₄NO₃(aq)
Which of the following is the equilibrium constant for the reaction? (R = 8.314 J/K⋅mol)

• A) 1.9 × 10^-3
• B) 6.6 × 10^-2
• C) 1.0
• D) 15
• E) 5.2 × 10²

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Definitions:

Parental Divorce

The legal dissolution of a marriage by a court, affecting children through changes in family structure and dynamics.

Maternal Depression

A mood disorder affecting mothers, characterized by persistent feelings of sadness, anxiety, and/or emptiness, which can influence maternal behavior as well as infant and child development.

Contributing Factor

A contributing factor is an element or condition that plays a significant role in causing an outcome or event, often used in analyzing complex situations.

Paternal Depression

A form of depression that occurs in fathers, potentially impacting their well-being, interactions with children, and family dynamics.