Your Lungs Hold 4

question 46

Multiple Choice

Your lungs hold 4.2 L of air at a temperature of 27°C and a pressure of 101.3 kPa.How many moles of air do your lungs hold? (R = 8.31 J/mol ∙ K)

• A)0.15 moles
• B)0.17 moles
• C)0.19 moles
• D)0.21 moles
• E)0.23 moles

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Definitions:

MR = MC

The condition under which profit is maximized, where marginal revenue equals marginal cost.

P > MC

Indicates a situation where the price of a good is greater than the marginal cost of producing it, suggesting a potential for profit.

Monopolistically Competitive

A market structure characterized by many sellers offering differentiated products, leading to some degree of market power but still allowing for competition.

Efficient Use

The optimal utilization of resources to achieve the highest possible output or satisfaction with the least possible waste.