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Who is known as the first African American scientist

What is Luis Alvarez's cultural background

What was Benjamin Banneker's ethnic background

Which scientist used mathematical knowledge to calculate the exact measurement of the meter

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Q: How does the density of carbon dioxide change when it sublimes?
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Can carbon dioxide change from a solid directly into a gas?

Yes, this is why solid carbon dioxide is often called "dry ice." Instead of melting, it sublimes directly from a solid into a gas.


What is the change of a substance from a solid to a gas?

The change of a substance from a solid directly to a gas is called sublimation. As an example, frozen carbon dioxide sublimes into gaseous carbon dioxide without going through a liquid phase.


Can a solid change its state of matter straight to a gas?

Yes it can. It is called sublimation. Solid carbon dioxide (dry ice) sublimes at room temperature.


Is freezing carbon dioxide a chemical change or physical change?

Frozen carbon dioxide is still carbon dioxide, so it is a physical change.


Does plants change carbon monoxide to carbon dioxide?

plants do not change carbon monoxide into carbon dioxide. they, on the other hand, convert carbon dioxide in to oxygen.


What happens when sublimation takes place?

Sublimation is when solids change directly from solid to gas without a liquid phase. Dry Ice (Solid Carbon Dioxide CO2) sublimes which is why it is a favorite for parties.


Is Carbon dioxide filled with balloon a chemical change?

No, it is not a change at all. Did you mean "a balloon filled with Carbon dioxide"


Which organs are oxygen and carbon dioxide changed?

Oxygen and carbon dioxide change in the lungs.


What must be done to carbon dioxide gas to change it to a solid?

the cold air can change the carbon dioxide gas to a solid


Is subliming a chemical change?

Nope, it's physical. When a material sublimes or sublimates, it changes state from a solid to a gas. Carbon dioxide does this, and so do mothballs. Nothing new is created; it's just a state change, so it's physical.


Would the amount of carbon dioxide change if there were no plants?

Yes. Plants absorb carbon dioxide.


Is the formation of carbon dioxide a chemical change?

No. The formation of carbon dioxide is a change in physical state from the gas phase to the solid phase, which is a physical change.


Is bubbles of carbon dioxide evidence of a chemical change?

Yes and no. Bubbles of carbon dioxide effervescing from a soft drink is a physical change. Bubbles of carbon dioxide produced as vinegar reacts with baking soda is a chemical change.


If you could break up a carbon dioxide molecule would you still have carbon dioxide?

Although the molecule is broken up it does not change the fact that it is carbon dioxide. Therefore you still have carbon dioxide.


What are the melting and boiling point of carbon dioxide?

It depends on the pressure. At normal atmospheric pressure, carbon dioxide neither melts nor boils... it sublimes (goes directly from solid to gas) at about 195K.Added:At 1.0 bar, normal pressure, it sublimes (solid-gas phase change) at -78 °C, 194.7 K without passing through its liquid phase.At 5.185 bar the boiling point (from liquid) is -57 °C, 216.6 K.


Why are the boiling and melting points of carbon dioxide the same?

Because carbon dioxide is a gas.Added:At 1.0 bar, normal pressure, it sublimes (solid-gas phase change) at -78 °C, 194.7 K without passing through its liquid phase.At 5.185 bar the boiling point (from liquid) is -57 °C, 216.6 K.


How does carbon dioxide and methane get into the air naturally?

We breathe out carbon dioxide into the air, and trees take the carbon dioxide and change in into our oxygen. That is why trees are so important to us.


How do the phase change of water and carbon dioxide differ?

Solid carbon dioxide is transformed directly in a gas by sublimation.


Does dry ice go through a physical change or chemical change?

It is a physical change (phase change). Dry Ice is frozen carbon dioxide gas. At atmospheric pressure, liquid CO2 is unstable. So the frozen solid "sublimes" turning directly from a solid to a gas (absorbing heat from around it).


Is carbon dioxide leaving exhaust a chemical change?

If carbon dioxide is leaving as a result of combustion of some organic material, then it is of course a chemical change.


What is an alveoli?

It is the place in the body where carbon dioxide and oxygen change places in the lungs. It is the place in the body where carbon dioxide and oxygen change places in the lungs.


Which increase in atmospheric carbon dioxide contributes to global climate change?

Any increase in atmospheric carbon dioxide contributes to global climate change.


When you inhale oxygen and exhale carbon dioxide is that a physical change or a chemical change?

chemical and physical because some carbon dioxide is already in the air


Is it a chemical change if carbon dioxide mix with oxygen?

No, its a physical change.


What compound are formed from carbon dioxide in the Calvin cycle?

the carbon dioxide formed into carbon sugar molecules compound then they begin to change back.