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What else can I help you with?
Why is expired air saturated?
Expired air is saturated because it has reached equilibrium with the moisture content of the lungs during the breathing process. As air is inhaled, it gets warmed and moistened by the mucous membranes in the respiratory tract, resulting in saturated air when exhaled.
Why are clouds not evaporated if they are water vapour?
Clouds are made up of water droplets of varying size, or ice crystals, not water vapour. Water vapour is the evaporite of clouds, and clouds often dissipate, so the water droplets making up the cloud change from visible water droplets to invisible water vapour. The "vapour trails" from aircraft engine exhausts are actually areas of cloud formation as water from burnt fuel condenses in cold air aloft.
Why does moist in the mirror after you blow it?
The moist you are talking about is nothing but the water vapour that one releases, every time one exhales. As already know, when we breathe in, the air that enters gets humidified as it passes through the nasal passages. Hence, the air exhaled, or breathed out, contains considerable percentage of water vapour. Now, this water vapour exhaled out, initially is at body temperature, i.e., 37.5*C. On coming out through exhalation, the vapour soon cools down and condenses on the nearby mirror glass surface. Hence, the moist is seen.
How does vapour form on a mirror?
When warm, moist air comes into contact with a cool surface, such as a mirror, the air near the surface cools down. If the air is saturated with moisture, the cooling causes some of the water vapor in the air to condense into tiny water droplets, creating fog or mist on the mirror.
Why rate of evaporation decreases with increase in humidity?
When humidity is high, the air is already saturated with water vapor, so there is less room for additional water molecules to evaporate from a wet surface. This reduces the concentration gradient needed for evaporation to occur, leading to a decrease in the rate of evaporation.
Why is exhaled air saturated with water?
Exhaled air is saturated with water vapor because the air we breathe in gets warmed and humidified in our lungs. As we exhale, this moisture-laden air is released, resulting in saturated air.
What is occurring when you can see your breath on cold days?
The air that you exhale contains water vapour. When you exhale during a cold day, the relative humidity increases. Relative humidity is actually the percentage of the amount of water vapour in the air.(the maximum amount of water vapour that the air can hold at that temperature) The colder the air, the less water vapour it can carry. When exhaled, air mixes with cold air, the temperature of the exhaled air drops, but there is more water vapour. When the air becomes saturated, (relative humidity is 100%), the extra water vapour will condense, allowing you to see your breathe on cold days.
Why exhaled air has more water vapour?
No. The exhaled air contents more water vapour. The exhaled air is almost saturated with water vapour.
The excretory system why do you see your breath on a cold day?
The air that you exhale contains water vapour. When you exhale during a cold day, the relative humidity increases. Relative humidity is actually the percentage of the amount of water vapour in the air. (the maximum amount of water vapour that the air can hold at that temperature) The colder the air, the less water vapour it can carry. When exhaled, air mixes with cold air, the temperature of the exhaled air drops, but there is more water vapour. When the air becomes saturated, (relative humidity is 100%), the extra water vapour will condense, allowing you to see your breathe on cold days.
How go you know that the air exhaled by us contains water vapour?
because it condenses into water when your hot breath is exhaled onto a cold object.
When air is saturated?
when it holds all the water vapor it can hold
When air is saturated it cannot hold?
… any more water vapour.
Why is exhaled air more dense than helium?
Helium is a relatively light gas which is lighter than air at ground level. Exhaled air contains a lot of water vapour and carbon dioxide relative to normal air. Since ground level air is less dense than helium, adding water vapour and carbon dioxide makes exhaled air even more heavier than helium.
How do you get dew point?
Cool air at a constant pressure until it is saturated with water vapour
Will water vapour increase or decrease in exhaled air?
Water vapor will increase in exhaled air compared to inhaled air because the air we breathe in gets warmed and humidified as it passes through our respiratory system, leading to an increase in water vapor content when we exhale.
How does dew get on the grass?
As air gets colder, the amount of water it can hold as water vapour goes down. It reaches a point where the air releases the water as dew but stays saturated with water vapour. If this point is below the freezing point of water, it is deposited as frost.
Why is expired air saturated?
Expired air is saturated because it has reached equilibrium with the moisture content of the lungs during the breathing process. As air is inhaled, it gets warmed and moistened by the mucous membranes in the respiratory tract, resulting in saturated air when exhaled.
