A 7 Kg Sample of Mercury Is Completely Solidified and Liberates

question 35

Multiple Choice

A 7 kg sample of mercury is completely solidified and liberates 81.06 kJ of energy.What is the original temperature of the mercury? (The melting point of mercury is 234 K,the heat of fusion of mercury is 11.3 kJ/kg,and the specific heat of mercury is 140 J/kg·K. )

• A)240 K
• B)580 K
• C)2.0 K
• D)850 K

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Definitions:

Average Total Cost

The total cost of production (fixed plus variable costs) divided by the number of units produced, indicating the cost per unit of output.

Pure Monopolist

A market structure in which a single seller dominates the entire market, facing no competition.

Profit-Maximizing Output

The level of production at which a company can achieve the highest possible profit, usually determined by marginal cost and marginal revenue analysis.

Nondiscriminating Monopolist

A monopolist that charges all consumers the same price for its product, without price discrimination.