are water vapor and steam the same thing?
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Re: Steam vs Water Vapour That said, water vapor is water in the gas phase. Boiling is one way to produce water vapor, and water vapor produced this way is usually considered to be steam.
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A benefit with steam is the large amount of heat energy that can be transferred. The energy released when steam condenses to water is in the range 2000 - 2250 kJ/kg (depending on the pressure) - compared to water with 80 - 120 kJ/kg (with temperature difference 20 - 30 oC).
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moist air. In atmospheric thermodynamics, air that is a mixture of dry air and any amount of water vapor. Compare dry air, saturation. Generally, air with a high relative humidity.
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The liquid molecules escape into the gas phase, becoming water vapor. Vaporization is the process in which a liquid is converted to a gas. Evaporation is the conversion of a liquid to its vapor below the boiling temperature of the liquid. ... Condensation is the change of state from a gas to a liquid.
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Humidity is the presence of water vapor in the atmosphere. The more water evaporates in a given area, the more water vapor rises into the air, and the higher the humidity of that area is. Hot places tend to be more humid than cool places because heat causes water to evaporate faster.
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Air is a gas while water is a liquid. Air is compressible while water is for all purposes non compressible. Water is H2O with some dissolved solids and gases while air is a mixture of all gases with some water in the form of vapor.
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That said, water vapor is a constituent of air, so something that is truly 100% airtight is also watertight: it does not allow water molecules to pass. ... However, on the other hand, there is more pressure under water, so the container that is only designed to be air-tight may break if the pressure is high enough.
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Why dry air is heavier than humid air. ... But, humidity is water vapor, not liquid water, and water vapor molecules are lighter than the molecules of nitrogen and oxygen that make up approximately 99% of the atmosphere.
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Steam vaporizers, on the other hand, don't emit as many harmful minerals and other contaminants into the air. That's because they boil water and release pure steam. The main safety concern with these machines is risk of burns from steam or spilled water.
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Difference Between Water and Steam. Steam is just water in the form of gas (vaporized). ... Because of its gaseous state, steam has looser molecules as opposed to water. Aside from its molecules being loose, it also moves faster.
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Vapour means water water which has got evaporated already and is in gaseous state. Water vapor, water vapour or aqueous vapor, is the gaseous phase of water. Moisture is water vapour present in the air, or water traces present in a solid substance, like food item, cotton, soil etc.
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Clouds (water vapor) are part of the whole always-moving atmosphere of the earth. We just notice the movement of the clouds because we can see them. The rest of the air is moving too. ... All this movement comes about because different parts of the earth's atmosphere are heated to different levels by the sun.
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Water vapor is transparent, like most constituents of the atmosphere. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation. It is less dense than most of the other constituents of air and triggers convection currents that can lead to clouds.
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Humidity is a measure of the amount of water vapour being held in the air. Water vapour is a gas. Precipitation is when the gas turns to liquid or solid and forms rain, snow, hail, mist, fog, frost, dew etc. ... Humidity is the water vapor in the air, while precipitation is the falling of water droplets or crystals, etc.
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Water vapor is the most potent of the greenhouse gases in Earth's atmosphere, and it's sort of a unique player among the greenhouse gases. The amount of water vapor in the atmosphere cannot, in general, be directly modified by human behavior—it's set by air temperatures.
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Vapor is a mixture of two or more different phases at room temperature, these phases are liquid and gaseous phase. ... Vapors of water are around us all the time at temperatures below the boiling point of water. Gases are usually formed above its critical temperature, but below critical pressure.
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Difference between Vapor and Gas Vapor is a mixture of two or more different phases at room temperature, these phases are liquid and gaseous phase. Gas usually contains a single thermodynamic state at room temperature. Vapour has a definite shape of the gaseous particles when observed under a microscope.