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the change from a solid to a gas (without changing into a liquid first) is known as sublimation
"Sublimation is an endothermic change (requires energy from its surroundings). As dry ice sublimes, the cold carbon dioxide vapor causes water vapor in the air to condense and form clouds."
What else can I help you with?
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.
Can a solid change states?
yes a solid can hange states, ice can melt (liquid) and dry ice (solid) 'melts' into a gas
What is causing the change in dry ice and the water ice?
Dry ice changes directly from a solid to a gas through sublimation. The change in water ice is due to melting, where heat energy is absorbed to break the hydrogen bonds holding the water molecules together, resulting in a phase change from solid to liquid.
Is dry ice a chemical change or a physical change?
I just had this question for a chemistry and it is a physical change
What is added to dry ice to make it change?
Essentially, dry ice will simply change from a solid straight to a gas through sublimation at room temperature. Nothing is needed to change the state of matter of dry ice except a higher temperature.
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.
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
What does dry ice change into?
Water vapor
From what state does sublimation change to?
Sublimation causes a change from solid straight to liquid or vica-verca, skipping the liquid phase altogether. Examples are mothballs and dry ice (frozen CO2).
Is there any chemical change that can happen to dry ice?
no.
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.
Why does a spoon rattle when placed on dry ice?
The spoon will almost always be warmer than the dry ice. As heat is transferred from the spoon to the ice, it will promote rapid sublimation of the dry ice it is contact with (sublimation = direct change from solid to gas). All that rapidly released gas moves the spoon out of the way - tilting it this way and that and bringing different parts of the spoon into contact with the surface of the dry ice - which then causes gas to be released from that part of the surface. The net effect is that the spoon rattles.
