Water Has an Equilibrium Vapor Pressure of 23

question 28

Multiple Choice

Water has an equilibrium vapor pressure of 23.8 mm Hg at 25°C.What mass of water vapor is present,at equilibrium,in a room with dimensions of 7.0 m × 8.0 m × 2.7 m? (760 mm Hg = 1 atm,R = 0.0821 L.atm/mol.K)

• A) 0.0050 kg
• B) 0.029 kg
• C) 0.28 kg
• D) 3.5 kg
• E) 5.0 kg

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Definitions:

Marginal Utility

The additional satisfaction or utility gained by consuming one more unit of a good or service.

Consumer Surplus

The consumer surplus is the gap between what consumers are ready and capable of paying for a good or service and what they actually spend on it.

Marginal Utility

The augmented satisfaction or value someone derives from the consumption of an extra unit of a good or service.

Consumer Surplus

Consumer surplus represents the discrepancy between the total price consumers are prepared and able to spend on a product or service and the actual amount they end up paying.