Ammonia (NH₃)is Used as a Refrigerant

question 45

Multiple Choice

Ammonia (NH₃) is used as a refrigerant.At its boiling point of -33 °C,the standard enthalpy of vaporization of ammonia is 23.3 kJ/mol.How much heat is released when 50.0 g of ammonia is condensed at -33 °C?

• A) -0.466 kJ
• B) -7.94 kJ
• C) -36.6 × 10³ kJ
• D) -68.4 kJ
• E) -1.17 × 10³ kJ

Understand the concept and examples of entrepreneurship.

Recognize innovation within an existing business firm.

Understand the concept and sources of venture capital.

Define and identify examples of intrapreneurs.

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Definitions:

Relevant Range

This is the range of activity within which assumptions about variable and fixed cost behavior are valid.

Differential Cost

The cost difference between two alternative decisions.

Model 240

A specific version or design of a product, indicated by the model number 240.

Incremental Manufacturing Cost

The additional cost incurred by producing one more unit of a product.