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it is a physical change since water and water vapor has the same chemical composition which is H2O. there is only a change in phase from liquid to gas.
You must understand that water can be in any one of three PHYSICAL states, liquid, solid or vapor ( a gas ).
Changing physical states is not a chemical change, but a direct result of heat or cold application.
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How is a change in an ecosystem like a ripple after a stone is thrown into a pond?
When a stone is thrown in a pond we have noticed that many small waves of water are formed which moves away from the point where the stone hits the water
What is pond water?
Pond water is often still because there is no current bringing more water into the pond. A pond that relies on rain water will be still most of the time. A pond that is spring fed might have a small current.
What kind of bacteria are in pond water?
Under examination, pond water is full of microbes. Bacteria is found in large numbers, as are protozoa and algae.
What was the source for the microscopic ''animalcules'' described by van Leeuwenhoek?
The source of the microscopic animalcules described by Leuwenhoek was pond water. All these small organisms were single celled organisms.
What size pond to hold 3 acre feet of water?
Any size pond that can hold at least 977,600 gallons of water.
Is water evaporating from a pond chemical or physical?
Physical, but the pond does not chemically change - you still have water and pond goo, only the water has evaporated.
Is water evaporating from a pond a chemical or a physical change?
Evaporation from a pond is not a chemical change. It is a physical change. The water that leaves the pond and goes into the air is not changed from water into some other chemical compound. It's still water, but in the form of a vapor or gas. As the water doesn't chemically change, evaporation is a physical change and not a chemical one.
The ability of a pond to freeze over in winter is a?
chemical change
The ability of a pond to freeze over in the winter is a?
chemical change
Is pond water a element or a compound or a mixture?
Water is a chemical compound; the water in a lake is a mixture between water and impurities.
Your pond liner is going green why?
Probably the water is stale. Change the water, and get a means of oxygenating the water.
Your koi carp is lying on his side after bad weather but is still clearly alive what to do?
If there was run off into the pond during the "bad weather" some polutant (s) may have got into the pond. A full chemical check of the water would be indicated or maybe if you can't do that a very large water change may help.
How is a change in an ecosystem like a ripple after a stone is thrown into a pond?
When a stone is thrown in a pond we have noticed that many small waves of water are formed which moves away from the point where the stone hits the water
Is pond water a pure substance or a mixture?
Pond water is not a pure substance.
What is the solute and solvent of Pond water?
Solution of Pond Water= Oxygen + Water
How do you clear green water in a goldfish pond?
Algae in a goldfish pond is quite common with an increase in sun (light) and temperature. To try and keep algae to a minimum you will want to look at ways to provide the pond with shade, and regularly change out some of the water for fresh water during the warmer months.
When the water in a pond gets cold that it hardens on the surface it is going through which change state?
freezing. Is the answer to this question
