When a Sample of Water at 0

question 52

Multiple Choice

When a sample of water at 0.0°C is cooled to -36.0°C and freezes in the process,935,000 kJ of thermal energy is liberated.What is the mass of this sample of water? For water L_F = 334,000 J/kg,L_V = 2.256 × 10⁶ J/kg,and the specific heat of ice is 2050 J/kg ∙ C°.

• A)2290 kg
• B)1145 kg
• C)2800 kg
• D)12,700 kg

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Definitions:

Controllable Overhead Variances

The differences between the budgeted and actual overhead costs that management can control or influence.

Volume Overhead Variances

The difference between the expected (budgeted) overhead costs based on standard volume and the actual overhead costs incurred.

Flexible Manufacturing Budget

A budget that adjusts to changes in the volume of production, providing variable costs based on different levels of activity.

Standard Cost Accounting System

A standard cost accounting system estimates the cost of production in advance, using standard costs for materials, labor, and overhead for cost control and performance evaluation.