A Method of Removing CO₂ from a Spacecraft Is to Allow

question 80

Multiple Choice

A method of removing CO₂ from a spacecraft is to allow the CO₂ to react with sodium hydroxide. (The products of the reaction are sodium carbonate and water.) What volume of carbon dioxide at 25 ^$\circ$ C and 749 mmHg can be removed per kilogram of sodium hydroxide that reacts

• A) 276 L
• B) 284 L
• C) 301 L
• D) 310 L
• E) 620 L

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Definitions:

Retinal Image

The image of an object that is projected on the retina. Its size increases with the size of that object and decreases with the object’s distance from the eye.

Size Constancy

The perceptual phenomenon where the size of an object is perceived to remain constant despite variations in the distance or size of the image it projects on the retina.

Binding Problem

The problem confronted by the brain of recombining the elements of a stimulus, given the fact that these elements are initially analyzed separately by different neural systems.

Distance Cues

These are visual or auditory indicators that help an individual perceive how far away an object or sound is.