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Is heat taken away or added in evaporation?
Taken away. As a liquid evaporates, it loses heat to the atmosphere.
What kind of changes has taken place when you sharpen a pencil how do you know?
It is a physical procedure because the chemical composition remain unchanged.
In examples of chemical changes the odor of sour milk indicates a chemical change has taken place true or false?
True
Can you list three kinds of changes that indicate a chemical reaction has taken place?
Some signs that a chemical change has taken place is that a gas can be produced, the temperature can change, and a substance disappears. Other signs are that a solid is formed, the color changes, and a new odor is produced.
When paper turns yellow brown upon exposure to sunlight what type of change has taken place a chemical or physical change?
Physical, Because The Color Changes.. Not The Chemical Property Of The Paper.. :)
What changes have taken place at arundel castle?
It was almost built anew during the Victorian epoque.
Is heat absorbed or released during evaporation?
Heat is absorbed by the molecules leaving the place the evaporation is occuring. That is why, after putting aftershave or cologne, you feel cold. The alcohol in the aftershave/cologne has evaporated and taken the heat from your face with it.
What changes gives NO evidence that a chemical reaction has taken place?
Physical changes give no evidence that a chemical reaction has taken place, because no chemical reaction has taken place.
What are the changes taken place in the life of the Inuits?
shunga ka ?
Is heat released to the environment or taken up from the environment during evaporation?
Heat comes from one source, the sun.
What process of going from a gas to a liquid?
When something changes state from a liquid to a gas, evaporation or boiling has taken place. The difference might be that in evaporation, atoms or molecules of the substance "break free" of the liquid and become a gas. In boiling, there is enough heat present that the change is rapid.
What changes have taken place in the industrial base of the north east?
nothing
Why have these changes in cars taken place?
Because people are trying to save fuel.
Has the Olympics ever not taken place?
Yes, during WW2 they did not take place.
What changes hrve taken place in methods of farming and manufacturing in Zimbabwe since independence?
what chqnges have taken place in methods of farming and manufacturing in zimbabwe since independence
What cultural changes have taken place since 1952?
The answer will depend on what country or city the question is about.
What are the common changes that have taken place among individual of the same sex?
anonymously or login
