The Solubility Product Constant, K_sp, at 25°C for AgI(s) in Water

question 46

Multiple Choice

The solubility product constant, K_sp, at 25°C for AgI(s) in water has the value 8.3 × 10^-17. Calculate ΔG at 25°C for the process AgI(s) Ag⁺(aq) + I^-(aq) where [Ag⁺] = 9.1 × 10^{-9 M} and [I^-] = 9.1 × 10^{-9 M}. (R = 8.314 J/K • mol)

• A) +4.4 kJ/mol
• B) +91.7 kJ/mol
• C) 0.0 kJ/mol
• D) -91.7 kJ/mol
• E) -4.4 kJ/mol

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Definitions:

Operating Leverage Factor

A measure showing the degree to which a company can increase operating income by increasing revenue, emphasizing the fixed to variable costs ratio.

Net Profit

Net profit, also known as net income, is the amount of earnings remaining after all expenses, taxes, and costs have been subtracted from total revenues.

Variable Costs

Costs that vary in direct proportion to changes in the level of activity or production volume.

Breakeven Equation

A calculation representing the point at which total costs equal total revenue, indicating that a business neither makes profit nor incurs loss.