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Condensation can be a physical process whereby a vapour becomes a liquid e.g. the 'steam' (water vapour) from your shower condenses on the bathroom window and runs down as water to form a puddle on the windowsill. Warm air can hold more water than cold air - the warm, vapour-laden air is cooled as it comes in contact with the colder glass and can hold less vapour so the surplus appears as water on the glass. In chemistry there are 'condensation reactions'
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Is a nebula a physical change or a chemical change?
A nebula is a physical change. It is a cloud of gas and dust in space that is not undergoing any chemical reactions. The process of a nebula forming into a star involves physical changes such as gravity causing the gas to condense and heat up.
ice crystals forming on a window a chemical change?
No, ice crystals forming on a window is a physical change. A physical change involves a change in the form of a substance without changing its chemical composition. The water molecules in the air condense and freeze on the window, but they are still water molecules.
The defroster melts the frost on the windshield Is this physical change or chemical change?
This is an example of a change in the physical states of Matter. These states-of-Matter are: Solid, Liquid, Gas and the Newest and Latest and most energetic State - Plasma. Frost is a special 'case' because it does not Condense [vapor to liquid], it Sublimes - water [in this case] vapor crystallizing [directly] to the Solid - bypassing the liquid phase.
Is peeling an apple a physical or chemical change?
it is a chemical change
Is crushing charcoal into powder a physical or chemical change?
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
Is condense e a physical change or chemical change?
Condensation is a physical change, as no new substances are being formed. It is only water changing from gas form to liquid form.
Is dry ice changing into theatrical smoke physical or chemical change?
Dry ice doesn't "turn into smoke". Dry ice causes moisture in the air to condense, forming fog. This is a purely physical, not chemical, change.
Is a nebula a physical change or a chemical change?
A nebula is a physical change. It is a cloud of gas and dust in space that is not undergoing any chemical reactions. The process of a nebula forming into a star involves physical changes such as gravity causing the gas to condense and heat up.
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.
ice crystals forming on a window a chemical change?
No, ice crystals forming on a window is a physical change. A physical change involves a change in the form of a substance without changing its chemical composition. The water molecules in the air condense and freeze on the window, but they are still water molecules.
Is water boiling in a pan a physical or chemical change?
It depends on what is boiling. If you are boiling WATER, then it is NOT a chemical change, it is a physical change (change of state from liquid to gas). If you are cooking food on the stove, a chemical change is occuring. That is, the chemical bonds within the food molecules are actually changing. One way you can tell that it is a chemical change is that you can't "uncook" food, but you can condense steam back into water.
Is stapling an envelope a physical change or chemical?
A physical change
What is the physical and chemical change of Alka-Seltzer tablet in H20?
It is a chemical reaction because the bubbles that you see is the gas from of the alka seltzer tablet. There fore there is no way you can condense the gas back to a solid, making it a chemical change!
The defroster melts the frost on the windshield Is this physical change or chemical change?
This is an example of a change in the physical states of Matter. These states-of-Matter are: Solid, Liquid, Gas and the Newest and Latest and most energetic State - Plasma. Frost is a special 'case' because it does not Condense [vapor to liquid], it Sublimes - water [in this case] vapor crystallizing [directly] to the Solid - bypassing the liquid phase.
IS water evaporating from a puddle a physical or chemical change?
Water evaporating from a puddle is a physical change. During evaporation, water changes from a liquid to a gas, but its chemical composition (H₂O) remains the same. This process is reversible, as the water vapor can condense back into liquid water. Therefore, it exemplifies a change in state rather than a change in chemical identity.
Is painting a door a physical or chemical change?
Physical change of the paint, not the door.
Is peeling an apple a physical or chemical change?
it is a chemical change
