A System Initially Has an Internal Energy E of 501

question 50

Multiple Choice

A system initially has an internal energy E of 501 J. It undergoes a process during which it releases 111 J of heat energy to the surroundings, and does work of 222 J. What is the final energy of the system, in J?

• A)168 J
• B)390 J
• C)612 J
• D)834 J
• E)This cannot be calculated without more information.

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Definitions:

Market Price

The current price at which an asset or service can be bought or sold in the open market.

Equilibrium Price

The price at which the quantity of a good or service demanded equals the quantity supplied, resulting in market balance.

Demand

The willingness and ability of consumers to purchase goods or services at a given price level.