Carbon dioxide (CO2) turns directly from a solid to a gas, without any liquid phase, this is why it is often called dry ice when it is solid because it doesn't get wet.
The process of a substance turning from gas to solid is called deposition. This occurs when gas molecules lose energy and come together to form a solid.
Boiling a solid substance directly does not affect its pressure. However, when a solid substance boils and turns into a gas, the pressure can increase due to the expansion of the gas molecules.
The process of a solid turning directly into a gas is called sublimation. This occurs when the solid skips the liquid phase and changes directly into a gas. An example of a substance that undergoes sublimation is dry ice (solid carbon dioxide).
Evaporation (or sublimation IF it goes straight from solid to gas).
Sublimation is a change of a substance from solid to gas without becoming liquid.
When a substance goes from a gas to a solid it is called deposition.
The process of a substance turning from gas to solid is called deposition. This occurs when gas molecules lose energy and come together to form a solid.
Endothermic phase changes - the substance is gaining energy (being heated) and the molecules are getting more active.- solid to liquid: melting- liquid to gas: vaporization- solid to gas: sublimationExothermic phase changes - the substance is losing energy (cooling) and the molecules are slowing down.- gas to liquid: condensation- liquid to solid: freezing- gas to solid: depositionMemory helper: exo is like exit, and the heat energy exits the substance during an exothermic phase change.
Boiling a solid substance directly does not affect its pressure. However, when a solid substance boils and turns into a gas, the pressure can increase due to the expansion of the gas molecules.
When a solid turns into a gas, it is called sublimation. This is when a substance changes directly from a solid state to a gas state without passing through the liquid state in between.
The process of a solid turning directly into a gas is called sublimation. This occurs when the solid skips the liquid phase and changes directly into a gas. An example of a substance that undergoes sublimation is dry ice (solid carbon dioxide).
The most common example of a sublimable solid is Iodine.
Gas -> Solid = Deposition Solid -> Gas = Sublimation Gas -> Liquid = Condensation Liquid -> Gas = Evaporation Solid -> Liquid = Freezing Liquid -> Solid = Melting Hope that helps. Qualifications: I googled it. You should try sometime ^^ + 1 year Chemistry education
When a solid substance turns into a gas, it undergoes a process called sublimation. This occurs when the solid directly changes into a gas without first becoming a liquid. The solid particles gain enough energy to break free from their fixed positions and become gas particles.
During changes between a solid and a gas, a substance undergoes sublimation or deposition. Sublimation occurs when a solid turns directly into a gas without passing through the liquid phase, whereas deposition is when a gas turns directly into a solid without becoming a liquid first.
Evaporation (or sublimation IF it goes straight from solid to gas).
Sublimation is a change of a substance from solid to gas without becoming liquid.