How to change solid into gases
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sublimation is the process that solid directly change into gases
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- Sublimation is an endothermic phase transition in which a solid evaporates to a gas
- Solids that sublimate have such high vapor pressures that heating leads to a substantial vaporization even before the melting point is reached.
- Under certain conditions, 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.
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