what does water vapor mean
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Water vapor Water vapor, water vapour or aqueous vapor, is the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.
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- Water is known to exist in three different states; as a solid, liquid or gas. Clouds, snow, and rain are all made of up of some form of water. A cloud is comprised of tiny water droplets and/or ice crystals, a snowflake is an aggregate of many ice crystals, and rain is just liquid water. Water existing as a gas is called water vapor. When referring to the amount of moisture in the air, we are actually referring to the amount of water vapor. If the air is described as moist, that means the air contains large amounts of water vapor.
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What is the general term for water vapor in air? what is the general term for water vapor in air. does anyone know the answer. Follow. 4 answers 4.
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- Save. 1  Humidity is the amount of water vapor in the air around us. More correctly called relative humidity, it tells how much water is in the air relative to air of the same temperature when it is completely saturated. 2  We manage the humidity in our homes for a number of reasons.
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What causes humidity? The term humidity generally refers to the amount of this water vapor in the atmosphere. Each atmospheric gas has its own vapor pressure, a measure of the number of molecules present at a given temperature. The vapor pressure of water thus measures the amount of water vapor in the air. The saturation vapor pressure is the vapor pressure when liquid water begins to condense. Relative humidity is determined by using the actual vapor pressure divided by the saturation vapor pressure (see below).
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Water vapor Water vapor is significant in that it can be indirect evidence supporting the presence of extraterrestrial liquid water in the case of some planetary mass objects.
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What does humidity mean? Humidity is the amount of water vapour in the air. In daily language the term humidity is normally taken to mean relative humidity. Relative humidity is defined as the ratio of the partial pressure of water vapour in a parcel of air to the saturated vapour pressure of water vapour at a prescribed temperature.
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What Is the Process Called Where Plants Release Water Vapor Into the Air? Quick Answer. Transpiration is the process in which a plant releases water vapor from its leaves into the surrounding air. The rate transpiration occurs varies widely based on the weather and soil conditions surrounding the plant. Transpiration occurs after a plant absorbs water from the soil through its roots.
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Vapor Pressure Definition Vapor Pressure Definition: The pressure exerted by a vapor in equilibrium with the solid or liquid phase of the same substance.Also, the partial pressure of the substance in the atmosphere above the solid or the liquid.By Anne Marie Helmenstine, Ph.D.hare. Vapor Pressure Definition: The pressure exerted by a vapor in equilibrium with the solid or liquid phase of the same substance. Also, the partial pressure of the substance in the atmosphere above the solid or the liquid. By Anne Marie Helmenstine, Ph.D.
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Water vapor Also, a net condensation of water vapor occurs on surfaces when the temperature of the surface is at or below the dew point temperature of the atmosphere. Deposition, the direct formation of ice from water vapor, is a type of condensation.ater vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.
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Meteorology Mass of Water Vapor / Mass of Dry Air; mixing water vapor with dry air (conserved) dew point temperature temp. to which air would have to be cooled for saturation to occur; high dew point means high water vapor content; low dew point means low water vapor content; amount of water vapor*
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- Relative humidity may be defined as the ratio of the water vapor density (mass per unit volume) to the saturation water vapor density, usually expressed in percent: Relative humidity is also approximately the ratio of the actual to the saturation vapor pressure. Actual vapor pressure is a measurement of the amount of water vapor in a volume of air and increases as the amount of water vapor increases. Air that attains its saturation vapor pressure has established an equilibrium with a flat surface of water.
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- evaporation: Noun: process by which liquid water becomes water vapor. Encyclopedic Entry: evaporation: gas: Noun: state of matter with no fixed shape that will fill any container uniformly. Gas molecules are in constant, random motion. high-pressure system: Noun: weather pattern characterized by high air pressure, usually as a result of cooling.
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- The vapor pressure of water is the pressure at which water vapor is in thermodynamic equilibrium with its condensed state. At higher pressures water would condense.The water vapor pressure is the partial pressure of water vapor in any gas mixture in equilibrium with solid or liquid water.As for other substances, water vapor pressure is a function of temperature and can be determined with Clausius–Clapeyron relation.he vapor pressure of water is the pressure at which water vapor is in thermodynamic equilibrium with its condensed state. At higher pressures water would condense.
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- The dew point is defined as the temperature at which water vapor begins to condense. Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation happens when air cools to the dew point temperature, and the water vapor in the air changes to liquid.
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Definitions &Translations Wiktionary (0.00 / 0 votes) Rate this definition: vapor (Noun). Cloudy diffused matter such as mist, steam or fumes suspended in the air. vapor (Noun). The gaseous state of a substance that is normally a solid or liquid. vapor (Verb). To become vapor; to be emitted or circulated as vapor. vapor (Verb). To turn into vapor. vapor (Verb). To use insubstantial language; to boast or bluster. Origin: From vapor.
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The Water Cycle: Evaporation Evaporation is the process by which water changes from a liquid to a gas or vapor. Evaporation is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water vapor. very small amount of water vapor enters the atmosphere through sublimation, the process by which water changes from a solid (ice or snow) to a gas, bypassing the liquid phase. This often happens in the Rocky Mountains as dry and warm Chinook winds blow in from the Pacific in late winter and early spring.
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Water vapor Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible.[4] Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.
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- A: The warmer air is, the more water vapor it can hold.. Dew point is a measure of how much water vapor is actually in the air. Relative humidity is a measure of the amount of water in the air compared with the amount of water the air can hold at the temperature it happens to be when you measure it.: The amount of water in the air is given by absolute humidity, typically measured in grams per cubic meter. Relative humidity is a ratio of how much water vapor is in a given volume of air compared with the amount of water vapor that would saturate the air at a given temperature and pressure.
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vapor The word vapor refers to a gaseous state of a substance, and not to a mist of liquid droplets or fine solid particles. For instance, the fumes that arise when volatile substances such as alcohol and gasoline evaporate are (not surprisingly) a vapor.
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As water vapor rises in the atmosphere, it cools and changes into liquid cloud droplets in a process called:? For this question -- Evaporation is when water is slowly absorbed into the air, cooling the remaining water by carrying heat away in the molecules of water which become evaporated (examples: puddles evaporate in the sun, sweat evaporates from your skin).
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- Condensation is the accumulation of water vapor changing to liquid water onto a surface. When the interior temperature is warmer than the window surface, there is a chance that condensation will form.
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- A: The old adage is, It's not the heat, it's the humidity.. However, sometimes it is just plain hot. Relative humidity is just a measure of the amount of water vapor actually in the air compared to the amount of water vapor that could be in the air at a given temperature and pressure.ew point is a measure of how much water vapor is actually in the air. Relative humidity is a measure of the amount of water in the air compared with the amount of water the air can hold at the temperature it happens to be when you measure it.
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- Humidity refers to the presence of water vapor in the atmosphere. It is measured in either relative terms (relative humidity) or absolute terms (dewpoint temperature). Water vapor is, as the name implies, the vapor form of water. It is totally transparent, just like the rest of the gases in the atmosphere.