A 156-G Mixture of Nitrogen and Carbon Dioxide Is Found to to Occupy

question 47

Multiple Choice

A 15.6-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 9.9 L when measured at 940.2 mmHg and 54.9°C.What is the mole fraction of carbon dioxide in this mixture?

• A)0.486
• B)0.5
• C)0.513
• D)0.597
• E)0.402

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Definitions:

Primary Drives

Basic internal motivating forces in psychology, such as hunger and thirst, which drive behavior for survival.

Drive-Reduction Principle

A theory in psychology that posits motivation arises from biological needs that drive an individual to act in ways that reduce the drive and bring about a steady state.

Extrinsic Motivation

The desire to behave in a certain way to gain some external reward or to avoid some undesirable consequence.

Drive

An internal state of tension or arousal that is brought about by an underlying need and that an organism is motivated to reduce.