Calculate the Amount of Heat Energy Required to Convert 35 $\degree$

question 52

Multiple Choice

Calculate the amount of heat energy required to convert 35.0 g of ice at -12.5 $\degree$ C to water at 24.0 $\degree$ C.(C_water = 4.18 J/g $\degree$ C; C_ice = 2.03 J/g $\degree$ C; molar heat of fusion of ice = 6.01 x 10³ J/mol)

• A)8.88 x 10² J
• B)1.17 x 10⁴ J
• C)1.61 x 10¹⁰ J
• D)3.51 x 10³ J
• E)1.61 x 10⁴ J

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Definitions:

FIFO Method

A method of inventory valuation where the first items produced or purchased are the first ones to be expended or sold.

Equivalent Units

Units of production expressed in terms of fully completed units; a concept used in manufacturing to measure output in a period that factors in incomplete units.

Material

The substance or substances from which something is made or can be made, often used in reference to supplies used in manufacturing.

Conversion Costs

Costs incurred to convert raw materials into finished products, typically including labor and overhead expenses.