Heat Is Added to a Pure Substance in a Closed

question 17

Multiple Choice

Heat is added to a pure substance in a closed container at a constant rate.The figure shows a graph of the temperature of the substance as a function of time.If L_f = latent heat of fusion and L_v = latent heat of vaporization,what is the value of the ratio L_v / L_f for this substance?

• A) 5.0
• B) 4.5
• C) 7.2
• D) 3.5
• E) 1.5

---

Definitions:

Limited Partner

An owner of a limited partnership who has no right to manage the business but who possesses liability limited to his capital contribution to the business.

Manage

The act of directing, controlling, and organizing the activities or operations of an entity or group.

Sole Proprietor

A business owned and operated by a single individual, with no legal distinction between the owner and the business entity.

Deduct Business Losses

The process of reducing taxable income by the amount of losses incurred by a business during a financial period.