If 1 Mol of Ice Melts at Its Melting Point

question 89

Multiple Choice

If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If the ice melts in someone's hand at 34°C, what is the change in the entropy of the universe? Assume a final temperature for the water of 0°C. The enthalpy of fusion for ice is 6.01 kJ/mol.

• A) +19.6 J/K
• B) -19.6 J/K
• C) +2.4 J/K
• D) -2.4 J/K
• E) +41.5 J/K

---

Definitions:

Spreadsheet

A digital tool that allows for the arrangement of data in rows and columns to facilitate calculation, analysis, and storage of information.

Labor Intensive

Describes a process or industry that requires a large amount of human labor to produce its goods or services.

Machine Intensive

Describes a production process or industry that relies heavily on machinery and equipment for manufacturing goods, typically resulting in higher fixed costs.

Predetermined Overhead Rates

Predetermined overhead rates involve estimating indirect manufacturing costs and applying them to specific jobs or departments based on a consistent allocation base, facilitating more accurate product costing.