During a hot summer day at the beach when the air temperature is 30°C, someone claims the vapor pressure in the air to be 5.2 kPa. Is this claim reasonable? Group startsTrue or False
Added by Kathleen D.
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The vapor pressure of water increases with temperature. At 30°C, we need to find the saturation vapor pressure of water. Show more…
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During a hot summer day at the beach when the air temperature is $30^{\circ} \mathrm{C},$ someone claims the vapor pressure in the air to be $5.2 \mathrm{kPa}$. Is this claim reasonable?
Unreasonable Results Suppose the relative humidity is 80% on a day when the temperature is 30.0ºC . (a) What will the relative humidity be if the air cools to 25.0ºC and the vapor density remains constant? (b) What is unreasonable about this result? (c) Which premise is responsible?
During a hot summer day when the air temperature is $35^{\circ} \mathrm{C}$ and the relative humidity is 70 percent, you buy a supposedly "cold" canned drink from a store. The store owner claims that the temperature of the drink is below $10^{\circ} \mathrm{C}$. Yet the drink does not feel so cold and you are skeptical since you notice no condensation forming outside the can. Can the store owner be telling the truth?
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