What Is the Change in Internal Energy of the System

question 44

Multiple Choice

What is the change in internal energy of the system (ΔU) if 82 kJ of heat energy is absorbed by the system and 40 kJ of work is done on the system for a certain process?

• A)122 kJ
• B)42 kJ
• C)82 kJ
• D)-122 kJ
• E)-42 kJ

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Definitions:

Entire Industry

Refers to all the businesses and organizations involved in the production, distribution, and sale of goods and services within a particular sector.

Demand Curve

A graphical representation showing the relationship between the price of a goods or services and the quantity demanded.

Substitutes

Products or services that can be used in place of each other, satisfying the same needs or wants of the consumer.

Monopolist

A single seller in a market who has significant control over the entire supply of a good or service, and thus can influence price.