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Where does the liquid that makes the droplets on the outside of a glass come from?
Wiki User
∙ 15y ago
condensation. the glass is cooler inside than it is outside (you mean drinking glas right?)
this temperature difference creates what is called condensation to form on the outside of the glass.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoThe water on the outside of a cool glass comes from the water vapor that exists in the air around the glass. Water vapor in the air remains in a gaseous state as long as the temperature of the air is above its "dew point". The dew point is the temperature of the air that no longer has enough energy to keep the water vapor in a gaseous state. The process by which water is maintained in a gaseous state can be thought of as a constant evaporation/condensation cycle. That is, small amounts of the vapor will condense (i.e., turn to liquid water) while the energy of the air molecules causes small amounts of the liquid water to evaporate (i.e., turn to water vapor). This cycle is maintained as long as the air temperature stays above its dew point. At and below the dew point the condensation dominates the cycle and there is net condensation (this is how rain drops form).
So, if a glass of cool water is at a temperature at or below the ambient air's dew point, any water vapor that comes in contact with the surface of the glass will condense on the glass because there is not enough energy in the molecules around the glass to evaporate enough water to counteract the condensation that is occurring.
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When limestone is heated with sand and sodium carbonate it makes which important material?
It creates Glass! : D
How does the addition of calcium carbonate affect the use of glass pitchers and vases?
It makes the glass insoluable in water.
Why is it that you can see clouds but not see the water vapour in the air?
Water vapour is a gas and invisible. Cloud water droplets are what appear when water vapour condenses (they are either liquid droplets or suspended ice cristals: not gas). Therefore, you can see clouds but not water vapour.
Why does glass only soften at high temperatures not melt?
Well im not a technical scientist, and people might disagree, but glass is made of millions and millions of tiny molecules made up of milions and milions of atoms, we should all know that the hotter a molecule gets the more it moves about, millions of these do this, and this causes shape deformaties, especially in weak materials such as plastic and metal.... glass is made of lots of differents molecules so the heat makes them move very quickly into a liquid, but it has a lot higher boiling temp than for example water which is 100 D C
Which element makes up most of the earth's core?
Liquid Iron
What occurs when water droplets form on the outside of your iced tea glass on a hot summer day?
the cold glass cools the air in contact with the glass to the point that it can no longer hold as much water vapor as is present. This makes water condense on the outside of the glass. or more formally The vapor pressure of water at the temperature of the glass is less than the partial pressure of water vapor in the surrounding air causing condensation.
How does a liquid in a glass thermometer?
the heat makes it expand you see
Why are the thermometers called liquid in glass thermometers?
A so-called "glass" thermometer has a small bore-hole in the center of the glass that has some liquid in it. It's the activity of the liquid in the narrow hole that makes the thermometer a thermometer.
What makes a liquid-in-glass thermometer sensitive to a small change of temperature?
a bulb with a thin glass wall
How does a liquid in glass thermometer work?
the heat makes it expand you see
How a liquid in glass thermometer works?
the heat makes it expand you see
What is it called when droplets of water form on the outside of a cold soda can?
Because the water evaporates outside of it and makes it sticky and cold. A2. The surrounding air contains water vapour, but can only hold so much for a given temperature. The cold of the can, causes the air touching it to cool. The air cannot hold the water at this cooler temperature, so it comes out, as water droplets on the can. So the water comes from the air.
How will moisture form on a glass?
Cohesion and Adhesion. Adhesion is the property of water that makes it stick to other substances. For example, water on glass. Cohesion is the property of water that makes water stick to itself. For example, water droplets. Now you breath and the air has trace amounts of moisture, so when you breathe out, the moisture go from your mouth to the glass, and due to adhesion, it stays there for a while.
What makes hard glass hard?
well most things in the world start as a liquid. What most do is but in a "glass oven" it harden in the mold and you have the glass that you see today. In other words is it goes from liquid to solid. please pass your wisdom on . . . Wise woman age 9
How does condensation explain the water on the cold glass?
The water comes from the air. Air as it exists under normal conditions in the atmosphere contains some small fraction of water vapor. When the glass is cold the water molecules strike the glass and cool off, becoming liquid.
What does sand and water make?
sand makes glass and glass make sand its a reverse psychology :)
Does the liquid in a glass effect the pitch of the note when a person rubs the rim of the glass?
Yes, the ringing is caused by vibrations. The pitch is determined by the frequency (measured in hertz) which is how fast the waves alternate up and down. The water blocks the vibrations making them need to travel less up and down the glass, which makes the pitch higher.
