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How do you describe each phase change?
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.
How does sublimation differ from melting?
Sublimation is the process where a solid turns directly into a gas without passing through the liquid phase, while melting is the process where a solid turns into a liquid upon the addition of heat. Sublimation occurs at specific temperatures and pressures where the solid phase is not stable, whereas melting occurs at the melting point of a substance.
Is evaporation a liquid or a solid?
Evaporation is the change from liquid to gas. So neither it is a change.
How does a solid substance undergo the process of turning into a gas?
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.
When a solid skips the liquid step and goes straight to a gas it is called?
it is called a watercycle
How a solid turns straight into a gas?
sublimation!!
When a solid turns straight to a gas is called?
Sublimation
What is when a solid turns straight into a gas?
sublimation
When a solid turns straight into a gas it is called?
Sublimation
Can you name a solid that turns straight to a gas from a solid?
The most common example of a sublimable solid is Iodine.
What is it called when water turns straight form solid to gas?
Sublimation is a change of a substance from solid to gas without becoming liquid.
What do you call when a solid turns straight into a gas?
A solid that turns directly into a gas is dry ice. Sublimation
What happens when solid turns into gas?
The gas can't generally turn straight into a solid, it has to change into a liquid and then a solid. When a gas turns into a liquid, the particles go closer together into groups and condensate. When the liquid turns into a solid, the particles all compress into a small space thus making a solid object.-----------------------------------------------------------------------But the phenomenon of change from a gas to a solid is also very known and is called deposition.
Why napthalene is called a sublimate?
because it turns straight from a solid to gas and bypasses the liquid state.
What is it called when something turns into a gas at room temperature?
Evaporation (or sublimation IF it goes straight from solid to gas).
Can you name a solid that turns straight from a solid into a gas?
some solids turn straight into a gas when heated. This process is called sublimation. A good example is solid carbon dioxide, also called dry ice. At atmospheric pressure, it turns straight into gaseous carbon dioxide
What do you call it when gas turns into a solid?
When a substance goes from a gas to a solid it is called deposition.
