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If grass turns brown as it dries is it a physical or chemical change?
it is a chemical change
Is painting a room a chemical change?
Painting a room involves a physical change rather than a chemical change. The process of painting a room typically involves applying a layer of paint, which dries and forms a new physical layer on the surface of the wall. Chemical changes involve the rearrangement of atoms and the formation of new substances with different chemical properties, which is not the case in painting a room.
What is an agent of chemical weathering?
Agents of chemical weathering depend on the climate and composition of the rock that is breaking down. Some Agents would include, water, oxygen, CO2, and acids. Temperature plays a significant role in chemical weathering. If it is warm and wet, the Chemical weathering process will increase. So, really it all depends.
Why does glue cause wrinkles on paper?
when the glue dries it shrinks, pulling the surface of the paper together causing the wrinkle.
If semen dries and gets wet again does it come back alive?
Absolutely not. That would be the same as pouring water over a dead person, and bring them back to life! Just doesn't work that way.
If grass turns brown as it dries is it a physical or chemical change?
it is a chemical change
Is a mud dries and change to dust a physical or chemical?
Physical.
Is putting paint on wood a chemical change?
No, because the paint simply sits on the surface of the wood, and there is no change to the molecules in the wood. Therefor, it is a physical change, until its dries then its a chemical change.
Is molded clay physical or chemical change?
physical, because it can be easily reversed
Is cornflour and water a physical change?
Adding cornflour to water is a physical change. The reason this process is classified as such is that it does not change the chemical identities of the substances involved, which is the criterion for a process to be considered a chemical reaction. Technically, the cornflour would slowly hydrolyze in water, which would be a chemical reaction.
Is painting a room a chemical change?
Painting a room involves a physical change rather than a chemical change. The process of painting a room typically involves applying a layer of paint, which dries and forms a new physical layer on the surface of the wall. Chemical changes involve the rearrangement of atoms and the formation of new substances with different chemical properties, which is not the case in painting a room.
Does the color of a stain change as it dries?
Yes, the color of a stain can change as it dries due to factors such as evaporation of solvents and chemical reactions with the surface being stained.
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.
Is a fountain pens ink drying a chemical change?
Yes, the drying of fountain pen ink is a physical change rather than a chemical change. The ink dries through evaporation of the solvent, leaving behind the solute (pigments or dyes), which does not undergo a chemical reaction during the drying process.
Why laundry dries fast during summer months?
Because of the sun
Why our laundry dries fast during summer months?
because the sun is vry hot
When paint dries is it considered an exothermic reaction?
No, the drying of paint is considered a physical change, not a chemical reaction. The drying involves the evaporation of the solvent in the paint, and it is not an exothermic reaction because it does not involve the release of heat.
