When the Air in a Testing Chamber Is Specially Mixed

question 25

Multiple Choice

When the air in a testing chamber is specially mixed so that its oxygen content is 10% and its overall air pressure is 400 mm Hg, then PO₂ is

• A) 400 mm Hg.
• B) 82 mm Hg.
• C) 40 mm Hg.
• D) 21 mm Hg.
• E) 4 mm Hg.

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Definitions:

Liao Dynasty

A dynasty that ruled over parts of Northern China and Mongolia from 907 to 1125, known for its cultural diversity and significant contributions to Chinese art and architecture.

Northern Wei

A dynasty in China (386–535 AD) known for significant advances in art, especially in the development of Buddhist sculpture.

Longmen Caves

A series of Chinese Buddhist cave temples located in Luoyang, China, famous for their vast collection of statues and reliefs.

Mount Wutai

A sacred Buddhist mountain located in Shanxi Province, China, known for its temples and spiritual significance.