In a Steam Engine, Steam in a Cylinder Expands Against

question 47

Multiple Choice

In a steam engine, steam in a cylinder expands against a piston, exerting 10 atm of external pressure. The volume of the cylinder increases by 10 L and simultaneously the steam cools, losing 3,000 kJ of energy to the surroundings. What is the change in energy of the steam? (101.3 J  1 L atm)

• A)(  3,010 kJ)
• B)(  3,001 kJ)
• C)(  3,100 kJ)
• D)(  13,135 kJ)
• E)(  2,990 kJ)

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Definitions:

Classical Conditioning

A training process in which two stimuli are systematically paired together, causing a response initially elicited by the second stimulus to be later elicited by the first stimulus alone.

Antibodies

Proteins produced by the immune system that recognize and neutralize foreign substances like bacteria and viruses.

Decrease

A reduction in quantity, size, intensity, or the importance of something.

Tequila

A distilled beverage made from the blue agave plant, primarily in the area surrounding the city of Tequila, Mexico, known for its strong flavor and alcoholic content.