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Evaporation is a physical change.
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∙ 11y ago
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When a piece of wood is painted is that a physical change?
That's complicated. The wood is simply covered up, so that's a physical difference. Application of the paint is also physical, you are just putting it somewhere else. What happens as the paint dries depends on the type of paint. Evaporation of the solvent is also physical, but as gloss paint dries chemical changes happen to produce the permanent skin.
Why do you feel relieved under a fan when you perspire?
Evaporation of fluid from your skin
How does the evaporation of water from your skin cools you on a hot day?
the sweat evaporates, thermal energy stays on your skin, remains cooling
What is Water loss due to evaporation of fluid that has penetrated through the skin termed?
Insensible
Does evaporation take on or give off energy?
Moisture needs to take in energy to evaporate. That's why your skin feels cooled when it happens to sweat on your skin.
Is prefume evaporating on your skin a physical or chemical change?
Evaporation of any fluid is a change of state and therefore (like all C.o.S.) it is a physical change.
Is the perfume vaporising from your skin a chemical or physical change?
It is a physical change.
Is bleaching skin a physical or chemical change?
chemical
How do you find out the effect of evaporation on skin?
Evaporation causes cooling . The skin cools when evaporation takes place.
Is skin getting wrinkled a physical change?
Yes.
Is perfume evaporating on your skin a chemical change or physical change?
The evaporation of perfume is a physical change. The chemical constitution of the perfume has not changed, it is still exactly the same chemical, but it has changed from a liquid phase to a gas phase.
Why does the smell of cologne and perfumes on the skin change with age?
On your part, your pheromones change with age. On the perfumes part, evaporation and sometimes spoilage, a staleness.
Is UV radiation penetrating the skin is a physical or chemical change?
This phenomenon is of physical nature.
Is sun tan a chemical or a physical change?
It is a Physical change because it is changing the color of your skin not any chemicals in your body.
Is a chameleon changing color chemical or physical change?
It is a physical change. Preexisting pigments are moved to and from the surface of the skin, but the pigments themselves do not change.
What your sweat does when it leaves your skin?
Cools the skin by evaporation
Is alcohlol evaporating on skin a chemical or physical change?
its a physical because its a change in the state of matter just like boiling water
