A Substance Has a Melting Point of 20°C and a Heat

question 23

Multiple Choice

A substance has a melting point of 20°C and a heat of fusion of
The boiling point is
And the heat of vaporization is
At a pressure of one atmosphere.The specific heats for the solid,liquid,and gaseous phases are 600 J/kg ∙ K (solid) ,1000 J/kg ∙ K (liquid) ,and 400 J/kg ∙ K (gaseous) .How much heat is given up by
Of this substance when it is cooled from 170°C to 86°C at a pressure of one atmosphere?

• A)400 kJ
• B)200 kJ
• C)300 kJ
• D)440 kJ
• E)640 kJ

---

Definitions:

Push Strategy

A marketing approach that involves taking the product directly to the customer via whatever means to ensure the customer is aware of your brand at the point of purchase.

Supply Chain

A system of organizations, people, activities, information, and resources involved in moving a product or service from supplier to customer.

Physical Distribution

The activities concerned with the efficient movement of products from the producer to consumers, including storage and transportation.

Supply Chain Management

The oversight of materials, information, and finances as they move from supplier to manufacturer to wholesaler to retailer to consumer.