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I just had this question for a chemistry and it is a physical change

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Lydia Schulist

Lvl 13
3y ago

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Related Questions

Why is dry ice disappearing a chemical change?

It isn't. Answer --> It is an example of phase change and thus a physical change. Not a chemical change


Is dry ice changing into theatrical smoke physical or chemical change?

Dry ice doesn't "turn into smoke". Dry ice causes moisture in the air to condense, forming fog. This is a purely physical, not chemical, change.


Is mealting dry ice a chemical change or physical change?

Melting dry ice is a physical change because it is a change in state from solid to gas without altering the chemical composition of the substance.


Is dry ice smoking at a concert is a physical or chemical change?

The process of dry ice sublimating, or turning directly from a solid to a gas, is a physical change. No new substances are formed, just a change in the physical state of the dry ice from solid to gas.


Is dry ice subliming a physical change or a chemical change?

A physical change. It's chemically still CO2, whether solid or a gas.


Is freezing carbon dioxide to make dry ice a chemical change?

No, it's a physical change.


Is dry ice subliamating into carbon dioxide a chemical change?

no. a phase change is ALWAYS a physical change in the substance.


Why is dry ice evaporation a physical chainge?

Dry ice is a solid form of cooled carbon dioxide. When it reaches room temperature it changes to gaseous carbon dioxide. Since, there is no change in the chemical composition of dry ice, it is called a physical change.


When solid dry ice gets warmed and changes into a gas a physical or chemical property?

The process is a physical process and the actual change is a physical change.


Is dry ice turning into Carbon dioxide physical or chemical?

It is a physical change of state. CO2 solid (dry ice) is still CO2 as a gas.What does change is the physical heat content of the substance. By absorbing heat the physical state is changed from a solid at -109.3 degrees F to a gas at -109.3 degrees F. All the heat absorbed for the change of state is used by the molecules to expand in size (external energy), rather than to change in temperature. There is also a small amount of energy loss due to this change (entropy). Another calculation made is internal energy which is the internal molecular motive energy of the substance.


What is dry ice physical or chemical change when left unattended?

Physical change, called sublimation. It still stays CO2


IF solid dry ice slowly disappears completely is this a physical or chemical change?

The "disappearance" of dry ice is a physical change. What you refer to as disappearance is actually sublimation where the solid CO2 turns to a gas without going through the liquid phase. Dry is is solid CO2 and when it disappears it becomes gaseous CO2, so it is a physical change.