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How do you know whether osmosis has taken place?
Osmosis has taken place when there is a net movement of solvent molecules from an area of higher concentration to an area of lower concentration across a semi-permeable membrane. This can be observed by changes in the volume or concentration of the solutions on either side of the membrane.
Do you think a chemical reaction has taken place Can you explain your reasoning behind your conclusion?
Yes, a chemical reaction has likely taken place if there is a change in the chemical composition of the substances involved. This can be observed through the formation of new substances, changes in color, temperature, or the release of gas. These are all indicators that a chemical reaction has occurred.
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?
A chemical change has taken place. The exposure to sunlight causes the paper to undergo a chemical reaction, breaking down the molecules in the paper and causing the color change to occur.
What are four things that indicate that a chemical change may have taken place?
Change in color: If the substance changes color during a reaction, it may indicate a chemical change. Formation of gas: Production of gas bubbles, fizzing, or bubbling is a sign of a chemical change. Temperature change: Significant heat or cooling effects can indicate a chemical reaction is occurring. Formation of a precipitate: When a solid substance forms in a solution, it suggests a chemical change has taken place.
What kind of change has taken place when you sharpen a pencil?
That is a physical change. The is no chemical change that takes place when you sharpen your pencil in a standard manner. I suppose if you sharpen it extremely fast, you could catch the pencil on fire, which would then be a chemical change.
What are the changes taken place in the life of the Inuits?
shunga ka ?
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.
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 major changes have taken place in the US over the last twenty years?
A LOT!
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 have taken place among individual of the same sex?
anonymously or login
What chemical reactions come with a fire what changes has taken place?
A fire is an oxidation reaction.
What are the common changes that have taken place among individual of the same sex?
anonymously or login
What are the changes taken place in 10th board cbse board in all subject 2008-2009?
upto now no changes in science....
What changes have taken place at arundel castle?
It was almost built anew during the Victorian epoque.
