The Enthalpy Change for Converting 10

question 120

Multiple Choice

The enthalpy change for converting 10.0 g of ice at -25.0 °C to water at 80.0 °C is ________ kJ. The specific heats of ice, water, and steam are 2.09 J g^-1 °C^-1, 4.18 J g^-1 °C^-1, and 1.84 J g^-1 °C^-1, respectively. For H₂O, Δ_fusH = 6.01 kJ mol^-1, and Δ_vapH = 40.67 kJ mol^-1.

• A)12.28
• B)6.16
• C)3870
• D)7.21
• E)9.88

---

Definitions:

Straight-Line Method

A method of depreciation that provides for equal periodic depreciation expense over the estimated life of a fixed asset.

Amortization

The process of gradually writing off the initial cost of an intangible asset over its useful life.

Yearly Interest Expense

The total amount of interest payment a company owes over the course of a year on its borrowings.

Total Interest Expense

The total cost incurred by an entity for borrowed funds over a specific period.