WX 201 Exam 2 || with Error-free Answers.
If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb, the water
vapor pressure would be correct answers 35 mb.
The temperature to which air must be cooled in order to become saturated is the correct answers
dew point temperature
In the solid state called ice, the shape and charge of water molecule helps arrange the molecules
into ____ crystals. correct answers six-sided (hexagonal)
Which of the following will increase the relative humidity in a home during the winter? correct
answers taking a shower and letting the air circulate through the home
____ law of partial pressure describes that the total pressure inside an air parcel is equal to the
sum of all pressures of the individual gases present in the air parcel. correct answers Dalton's
Which of the following will increase in a rising parcel of air? correct answers relative humidity
Suppose the dew point of cold outside air is the same as the dew point of the air indoors. If the
door is opened and cold air replaces some of the warm air, then the new relative humidity
indoors would be correct answers higher than before.
The hot, desert air of the Sahara often contains ____ water vapor than the cold, polar air farther
north, therefore has a ____ specific humidity. correct answers more; higher
The density of water vapor in a given parcel of air is represented by the correct answers absolute
humidity.
, What will occur if a glass of water at a stable temperature is surrounded by saturated air? correct
answers The level of the water in the glass would not change.
The percentage of water vapor present in the air compared to that required for saturation is the
correct answers relative humidity.
The partial pressure of water vapor is called the ____. correct answers actual vapor pressure
The temperature at which water boils depends mainly on correct answers air pressure
In the liquid state, water molecules are ____ in the gaseous state correct answers closer together
than
The instrument that measures humidity by measuring the amount of radiant energy absorbed by
water vapor is the correct answers infrared hygrometer.
If the air temperature remains constant, evaporating water into the air will ____ the dew point
and ____ the relative humidity. correct answers increase; increase
Instruments that measure humidity are called ____. correct answers hygrometers
The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to
determine an apparent temperature. correct answers air temperature; relative humidity
As the air temperature increases, the saturation vapor pressure for that air parcel correct answers
increases.
A high water vapor pressure indicates a(n) correct answers relatively large number of water
vapor molecules in the air.
If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb, the water
vapor pressure would be correct answers 35 mb.
The temperature to which air must be cooled in order to become saturated is the correct answers
dew point temperature
In the solid state called ice, the shape and charge of water molecule helps arrange the molecules
into ____ crystals. correct answers six-sided (hexagonal)
Which of the following will increase the relative humidity in a home during the winter? correct
answers taking a shower and letting the air circulate through the home
____ law of partial pressure describes that the total pressure inside an air parcel is equal to the
sum of all pressures of the individual gases present in the air parcel. correct answers Dalton's
Which of the following will increase in a rising parcel of air? correct answers relative humidity
Suppose the dew point of cold outside air is the same as the dew point of the air indoors. If the
door is opened and cold air replaces some of the warm air, then the new relative humidity
indoors would be correct answers higher than before.
The hot, desert air of the Sahara often contains ____ water vapor than the cold, polar air farther
north, therefore has a ____ specific humidity. correct answers more; higher
The density of water vapor in a given parcel of air is represented by the correct answers absolute
humidity.
, What will occur if a glass of water at a stable temperature is surrounded by saturated air? correct
answers The level of the water in the glass would not change.
The percentage of water vapor present in the air compared to that required for saturation is the
correct answers relative humidity.
The partial pressure of water vapor is called the ____. correct answers actual vapor pressure
The temperature at which water boils depends mainly on correct answers air pressure
In the liquid state, water molecules are ____ in the gaseous state correct answers closer together
than
The instrument that measures humidity by measuring the amount of radiant energy absorbed by
water vapor is the correct answers infrared hygrometer.
If the air temperature remains constant, evaporating water into the air will ____ the dew point
and ____ the relative humidity. correct answers increase; increase
Instruments that measure humidity are called ____. correct answers hygrometers
The heat index (HI) is used by the National Weather Service, and combines ____ with ____ to
determine an apparent temperature. correct answers air temperature; relative humidity
As the air temperature increases, the saturation vapor pressure for that air parcel correct answers
increases.
A high water vapor pressure indicates a(n) correct answers relatively large number of water
vapor molecules in the air.
