what causes the bubbles. It appears that air is escaping, but that cant be right. right?
2007-01-12 12:29:24 · 7 answers · asked by ken h 1 in Science & Mathematics ➔ Physics
The vapor pressure of the water reaches atmospheric pressure.
The bubbles are water vapor, an invisible and colorless gas.
When the bubbles break surface and hit cooler surrounding air the vapor condenses to microscopic droplets of liquid water. (steam)
2007-01-12 12:38:30 · answer #1 · answered by Steve 7 · 2⤊ 0⤋
The temperature of a substance is simply how fast it's molecules are moving:the faster the molecules move, the hotter something is. When you heat water, it's molecules start to move faster and faster. Eventually (at the boiling point, 100 degrees Celsius or 212 degrees Fahrenheit) the molecules move so fast the escape from from the liquid phase into a gas. The bubble are water vapor, or steam.
2007-01-12 12:46:14 · answer #2 · answered by TunaFishTaco 2 · 0⤊ 0⤋
you have several states of matter, most common in our every day experience are solid, liquid and gas.
water when solid is ice
when liquid is sel evident
when gas is steam
temperature is a measure of the kinetic energy ( energy of vibration or movement) of the molecules of matter, in this case water. below freezing point , water is solid , it is ice.
Solid is only vibration, liquid is some movement and gas is a lot of movement of matter
If you heat ice, it becomes liquid at only one temperature. That is because the heat input does not reflect a temperature change, but the energy applied ( heat) is used to rearrange the structure of water into liquid, that is why until the water is not completely liquid the temperature remains constant.
Now you apply more heat, the temperature rises, until you reach the boiling point. Then again the temperature remains constant, until all the water becomes a gas in the form of bubbles of steam ( not air, gaseous water called commonly steam)
You can easily put a few ice cubes in a pan, in a stove,apply heat and with a thermometer verify everything said above
2007-01-12 14:02:20 · answer #3 · answered by Robertphysics 2 · 0⤊ 0⤋
H2O is changing into a gas when it reaches boiling point
that varies upon pressure, contamination, elevation. Check out web site below I think it is pretty cool.
2007-01-12 12:45:56 · answer #4 · answered by Earth to Mars 5 · 0⤊ 0⤋
the heat causes the bubbles and they float to the top then pop then the air in the bubbles evaporate so it is evaporating
2007-01-12 12:36:18 · answer #5 · answered by Tori 5 · 0⤊ 0⤋
you are right, boiling is a phase transition from liquid to gas.
2007-01-12 12:38:03 · answer #6 · answered by Francis 2 · 0⤊ 0⤋
the pot the water it is in gets burnedand rusts away after along time
2007-01-12 12:39:17 · answer #7 · answered by odee 1 · 0⤊ 0⤋