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Is opening a box of matches a physical or chemical change?

it is physical change as you are not adding new chemicals and your are only changing the shape and it is revers able because once you open it you can close it again so it is definitely physical.


Is opening a can of soda a chemical reaction?

Opening a can of soda is not a chemical reaction because no new substances are formed. It is a physical change where no chemical bonds are broken or created. The release of gas when the can is opened is due to the pressure change, not a chemical reaction.


When you open a bottle of carbonated cola you see bubbles of gas bursting from the surface. What can you infer about the amount of gas dissolved in the solution before you opened the bottle?

If gas comes out of solution when a bottle is opened, then there must have been a greater amount of dissolved gas in the substance while it was under pressure prior to opening the bottle.


Why does the gas rush to the top of a pop bottle when it is opened?

When a pop bottle is opened, the pressure inside the bottle decreases rapidly due to the sudden release of pressure. The gas dissolved in the liquid now has fewer constraints and begins to escape, pushing its way to the top of the bottle as it is less dense than the surrounding liquid. This creates the bubbling or fizzing effect commonly observed when a bottle is opened.


Water freezing in bottle when opened?

When a bottle of water is opened, the pressure inside the bottle decreases, causing the water to start freezing because of the drop in temperature. This phenomenon is known as "flash freezing" and occurs rapidly when the conditions are right, such as in very cold temperatures.

Related Questions

When A warm soda bottle fizzes when opened is it a physical change or a chemical change?

It is a physical change. The fizzing is caused by the release of carbon dioxide gas that was dissolved in the liquid, which does not involve a change in the chemical composition of the liquid itself.


Is opened a can of fuit left out of the refigerator a physical or chemical change?

it is a physical change because it is still fruit.


When a soda water bottle is opened a gas is released. does a chemical reaction occur?

No, only gas escape from oversaturated carbon dioxide solution (de-pressurised) is purely physical.


When soda water bottle is opened a gas is released. Does a chemical reaction occur?

No, only gas escape from oversaturated carbon dioxide solution (de-pressurised) is purely physical.


What happends if you shook a soda can and some of the fizze came out would it be a physical or a chemical change?

Physical because it is changing in the sense that its fizzing your coke was/is coke before and after you opened/shook your can.


Is opening a box of matches a physical or chemical change?

it is physical change as you are not adding new chemicals and your are only changing the shape and it is revers able because once you open it you can close it again so it is definitely physical.


How long is a bottle of Winstrol good for if it isn't opened?

How long is a bottle of winstrol good for after it is opened


Is opening a can of soda a chemical reaction?

Opening a can of soda is not a chemical reaction because no new substances are formed. It is a physical change where no chemical bonds are broken or created. The release of gas when the can is opened is due to the pressure change, not a chemical reaction.


How long does a open bottle of wine last if you put a spoon in it?

A bottle of an opened white wine is OK for about a week. A bottle of an opened red wine can last about a month. How do you put a spoon in a wine bottle?


What is a sentence using the word bottle?

i drank out of the bottle. there was a broken bottle on the ground. the baby drank out of her bottle. i opened the bottle. hope that helps :)


Is hadacol still available?

I have a bottle never been opened, no date found on bottle.


How long will a bottle of chardonnay last after opened?

About a week.