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If a certain natural gas supply contains 2.13% helium by mass,what amount of the natural gas must be processed,at 96.2% efficiency of helium recovery,to produce sufficient helium to inflate 24 party balloons to a volume of 5.3 L each at an internal gas pressure of 1.25 atm and a temperature of 23.7 °C?
Respiratory System
The biological system of organs involved in the intake of oxygen and expulsion of carbon dioxide, primarily consisting of the lungs and airways.
Head Injury
Trauma to the skull, brain, or scalp, which can range from a mild bump or bruise to a significant brain injury.
Phobia
An intense, irrational fear of a specific object, situation, or activity that provokes anxiety and avoidance behavior.
Amygdala and Hippocampus
Two regions of the brain where the amygdala is involved in emotion regulation, particularly fear, and the hippocampus plays a key role in memory formation.
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