Humidity is the amount of water vapor in the air at a given time
A) Precipitation will be released in the form of hail.
B) Precipitation will be released in the form of rain.
C) The humidity will remain unchanged.
D) The relative humidity will decrease
Homework Answers
A) Precipitation will be released in the form of hail.
B) Precipitation will be released in the form of rain.
C) The humidity will remain unchanged.
D) The relative humidity will decrease
1. (relative humidity) The partial pressure of water vapor in air is usually less than the...
1. (relative humidity) The partial pressure of water vapor in air is usually less than the equilibrium vapor pressure (or saturation pressure) at the ambient temperature; this is why a cup of water will spontaneously evaporate. The ratio of the partial pressure of water vapor to the equilibrium vapor pressure (at the same temperature) is called the relative humidity. Saturated air, at 100% relative humidity, would be in equilibrium with a cup of liquid water. The saturation pressure depends strongly...
Geography 01 Physical Geography East Los Angeles College Spring 2019 Exercise 4: Atmospheric Mois...
I am needing help with this assignment for my Geography class.
Can anyone help out?
Geography 01 Physical Geography East Los Angeles College Spring 2019 Exercise 4: Atmospheric Moisture Suggested Reading: Hess, pp 132-138 KEY TERMS: Absolute Humidity, Relative Humidity, Saturation Capacity, Dew Point, Warm air has relatively greater capacity to hold water vapor than does cooler air. As air warms, its capacity to hold moisture increases at an increasing rate; this means that if a source of moisture is...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial pressure of the water vapor and its dew-point temperature. (Hint: Psychrometric chart is really useful for this.)
15. The relative humidity of air equals the ratio of the partial pressure of water in the air to ...
15. The relative humidity of air equals the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature times 100%. If the relative humidity of the air is 56% and its temperature is 70°F, how many grams of water are present in a room measuring 15 ft x 10 ft x 11 ft? The vapor pressure of water at 68 °F is 17.54 torr. Show your work
15. The...
Problem 6.14 Humidity and Condensation Air at 30.0% relative humidity is cooled isobarically at 1 atm...
Problem 6.14 Humidity and Condensation Air at 30.0% relative humidity is cooled isobarically at 1 atm absolute from 90.0°C to 35.0°C. a. Estimate the dew point and the degrees of superheat of the air at 90.0°C. Dew point: Degrees of superheat: doc b. How much water condenses (mol) per cubic meter of feed gas? (See Example 6.3-2) mol c. Suppose a sample of the 90.0°C air is put in a closed variable-volume chamber containing a mirror and the pressure is...
A person breathes 10 liters per minute of air that is at 68 degree and 50%...
A person breathes 10 liters per minute of air that is at 68 degree and 50% relative humidity. [Relative humidity is the ratio of the actual vapor density to the saturation vapor density. The saturation vapor density is the maximum amount of water vapor that the air can hold at a particular temperature and is given in grams/meter cu bed] Given: Saturation vapor density at 20 deg. Celsius = 17.3 grams/meter cubed Saturation vapor density at 37 deg. Celsius =...
1 kg of atmospheric air initially at 30 ºc and 60% relative humidity is cooled slowly,...
1 kg of atmospheric air initially at 30 ºc and 60% relative humidity is cooled slowly, at a constant pressure of 100 kPa, to a final temperature of 5 ºc. a. What is the saturation pressure of water at the initial temperature? b. What is the partial pressure of water vapor (vapor pressure) at the initial condition? c. What is the partial pressure of dry air at the initial condition? d. What is the initial humidity ratio? e. What is...
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the d...
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the difference between the terms relative humidity and specific (6 marks) (c) An air conditioning unit is to supply air at 20°C, 1 bar, and relative humidity as means of quantifying the amount of water in air humidity 50% to a lecture theatre. Ambient conditions are 30°C,...
1) The air temperature is 15ºC. Determine the saturation vapor pressure at this temperature. If the...
1) The air temperature is 15ºC. Determine the saturation vapor pressure at this temperature. If the dew point temperature is found to be 10ºC, determine the vapor pressure in the air, and calculate the relative humidity for both temperatures.
absolute humidity at atmospheric pressure at 27 C is 0.011 kg water / dry air determine:...
absolute humidity at atmospheric pressure at 27 C is 0.011 kg water / dry air determine: a. water vapor partial pressure (kPa) b. relative humidity (%) c. dew point temperature (C)
1. (relative humidity) The partial pressure of water vapor in air is usually less than the equilibrium vapor pressure (or saturation pressure) at the ambient temperature; this is why a cup of water will spontaneously evaporate. The ratio of the partial pressure of water vapor to the equilibrium vapor pressure (at the same temperature) is called the relative humidity. Saturated air, at 100% relative humidity, would be in equilibrium with a cup of liquid water. The saturation pressure depends strongly...
I am needing help with this assignment for my Geography class.
Can anyone help out?
Geography 01 Physical Geography East Los Angeles College Spring 2019 Exercise 4: Atmospheric Moisture Suggested Reading: Hess, pp 132-138 KEY TERMS: Absolute Humidity, Relative Humidity, Saturation Capacity, Dew Point, Warm air has relatively greater capacity to hold water vapor than does cooler air. As air warms, its capacity to hold moisture increases at an increasing rate; this means that if a source of moisture is...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial pressure of the water vapor and its dew-point temperature. (Hint: Psychrometric chart is really useful for this.)
15. The relative humidity of air equals the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature times 100%. If the relative humidity of the air is 56% and its temperature is 70°F, how many grams of water are present in a room measuring 15 ft x 10 ft x 11 ft? The vapor pressure of water at 68 °F is 17.54 torr. Show your work
15. The...
Problem 6.14 Humidity and Condensation Air at 30.0% relative humidity is cooled isobarically at 1 atm absolute from 90.0°C to 35.0°C. a. Estimate the dew point and the degrees of superheat of the air at 90.0°C. Dew point: Degrees of superheat: doc b. How much water condenses (mol) per cubic meter of feed gas? (See Example 6.3-2) mol c. Suppose a sample of the 90.0°C air is put in a closed variable-volume chamber containing a mirror and the pressure is...
A person breathes 10 liters per minute of air that is at 68 degree and 50% relative humidity. [Relative humidity is the ratio of the actual vapor density to the saturation vapor density. The saturation vapor density is the maximum amount of water vapor that the air can hold at a particular temperature and is given in grams/meter cu bed] Given: Saturation vapor density at 20 deg. Celsius = 17.3 grams/meter cubed Saturation vapor density at 37 deg. Celsius =...
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the difference between the terms relative humidity and specific (6 marks) (c) An air conditioning unit is to supply air at 20°C, 1 bar, and relative humidity as means of quantifying the amount of water in air humidity 50% to a lecture theatre. Ambient conditions are 30°C,...
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