Calculate the Work,w,gained or Lost by the System When a Gas

question 28

Multiple Choice

Calculate the work,w,gained or lost by the system when a gas expands from 15 L to 40 L against a constant external pressure of 1.5 atm.1 L ∙ atm = 101 J

• A)- 6.1 kJ
• B)- 3.8 kJ
• C)+ 3.8 kJ
• D)+ 6.1 kJ

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Definitions:

Lipids

A group of naturally occurring molecules that include fats, waxes, and certain vitamins, essential for energy storage and cell membrane structure.

Vitamin A

A fat-soluble vitamin important for normal vision, immune function, and reproduction.

Bones

The hard, dense organs that form the framework of the human body, essential for movement, protection of internal organs, and storage of minerals.

Teeth

Hard, calcified structures in the mouth used for biting and chewing food, also playing a role in speech.