What Is the Melting Point of Polyvinyl Chloride If the Heat

question 9

Multiple Choice

What is the melting point of polyvinyl chloride if the heat of fusion of crystalline polyvinyl chloride is approximately 11.0 kJ\moles, and the corresponding entropy change for melting is 68.75 J moles ^{− 1} K ^{− 1} ?

• A)120 K
• B)160 K
• C)200 K
• D)240 K

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Definitions:

Periodic Depreciation Expense

The allocated portion of the cost of a tangible asset over its useful life, recognized as an expense in a specific accounting period.

Double Declining-Balance Method

A method of accelerated depreciation where an asset's value is reduced at double the rate of its straight-line depreciation.

Computer System

An integrated setup of hardware, software, and network components designed to process, manage, and store data.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded for an asset since its acquisition, representing the cumulative reduction in the asset's value.