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Believe it or not, water is always changing into a new form! It is generally accepted that water boils at 212 degrees Fahrenheit or 100 degrees Centigrade. However, this is simply the temperature at which water will spontaneously become a gas at one atmosphere of pressure at sea level. Even so, water will evaporate at just about any temperature, even ice evaporates! Take an ice cube and set it in the back of your freezer and then leave it there for a few months, eventually it will get smaller and smaller until it disappears, and that's because it evaporated. Water is actually always water. The only thing that made us assign it three different "forms" was the fact that it behaves differently under these conditions. When frozen, water molecules fit tightly together and stay put, because they are not vibrating fast enough to break any molecular bonds. As the water warms, the molecular bonds loosen and the molecules are free to tumble about, which makes the water "liquidy". After a certain point, the molecular bonds shatter entirely and the water molecule goes flying off by itself, which we call water vapor, steam, or the gaseous state of water. However, the water molecules can break free for many reasons and at any time, it's just most likely to happen with warmer temperatures.
What else can I help you with?
Which type of change will affect the state of matter but not its chemical makeup?
A change in temperature or pressure can affect the state of matter without altering its chemical composition. For example, melting ice to form liquid water or boiling liquid water to form steam are changes in state of matter that do not change the chemical makeup of water molecules.
What property of a substance does the change in temperature indicate?
Change in temperature directly indicates a change in the mean amount of kinetic energy possessed by each particle. It also indirectly indicates a possible change in state, and a possible change in chemical properties too (chemical reactions often involve energy transfer in the form of temperature change).
When icicles form at the edge of a roof is it a physical or chemical change?
The formation of icicles at the edge of a roof is a physical change. It occurs when water freezes due to a drop in temperature, without any change in the chemical composition of the water molecules.
Why does the temp of water not increase during a phase change?
During a phase change, the energy that is added or removed from the water is used to change the arrangement of water molecules rather than increase the temperature. This energy is used to break or form intermolecular bonds between the molecules, leading to a change in state (solid, liquid, gas) rather than a change in temperature.
How does the change in the volume of water affects the temperature at which KNO3 crystals will form?
1. Decreasing the volume of water crystallization at a lower temperature is more possible.2. The solubilty is expressed in amount of solute, in a given volume (ex. 100 mL or 1 L) at a given temperature and pressure.
when water vapor is change into water droplets in the air are formed?
water vapor change into water droplets when are at a low temperature. when the water vapors are at a low tempertaure, the particles of water come closer to each other and they form droplets of water.
What causes water to change form?
Its the change in a temperature. If its cold water might freeze and make an ice cube.
What causes water to change its form?
Its the change in a temperature. If its cold water might freeze and make an ice cube.
When a cube of ice melts to form a puddle of water a physical or chemical change?
When a cube of ice melts to form water, it undergoes a physical change. This is because the substance remains water in both states, but changes from a solid form (ice) to a liquid form (water) due to a change in temperature.
At what temperature does cold water change into a new form?
0 degrees Celsius, water turns into ice at that point
Is water freezing at zero degrees Celsius physical or chemical change?
Water freezing at zero degrees Celsius is a physical change. This is because the change in temperature causes the water molecules to slow down and form a solid structure, without altering the chemical composition of water.
Is crystalline at room temperature a property of water?
The crystalline form of water is called ice. It does not form at room temperature.
What is a physical change that takes place when oxygen and hydrogen are combined to form H2O?
When oxygen and hydrogen combine to form water there is a chemical change, not a physical change. That may be followed by a physical change, depending on the conditions when the chemical change occurs. You may, for example begin with water vapor and, if the temperature is low enough, it will condense (a physical change) to liquid water.
How and why is clouds forming in the sky a physical change?
because condensation is simply just a change of the water temperature in the air. a temperature change is a physical change. clouds form when the water vapor condenses, so therefore, cloud formation is a physical change.
When water is heated the temperature eventually reaches a plateau what does the plateau indicate?
The plateau indicates that the water has reached its boiling point, where the temperature remains constant as the water undergoes a phase change from liquid to gas. Additional energy input is needed to facilitate this phase change rather than increasing the temperature.
Is there any temperature change on mixing ethanol and water?
No, there is no temperature change when mixing ethanol and water because they form a homogenous solution. The heat released during solvent mixing is offset by the heat absorbed during solvent separation.
What is one way to change water from a liquid to a solid?
One way to change water from a liquid to a solid is by lowering its temperature below 0 degrees Celsius. This process is known as freezing, where water molecules slow down and come closer together to form a solid structure, ice.
