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The process of a gas changing directly into a solid is called deposition or desublimation. For example, water vapor in sub-freezing air can transform into ice without going through the liquid phase, which is how snow and frost are formed.
And also in fire extinguishers gases are stored in high pressure and thats why when they release they are in the form of solid flakes.
this is due to a process called sublimation.the gases can be sublimated by decreasing heat and increasing pressure
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Change from a solid to a gas and vice versa?
Changing from a solid to a gas is called sublimation, where a solid directly transitions to a gas without passing through the liquid phase. The reverse process, changing from a gas to a solid, is called deposition, where a gas transforms directly into a solid without becoming a liquid.
Identify the three states of matter and give two examples of substances in each state?
The three states of matter are solid, liquid, and gas. Examples of substances in the solid state are ice and diamond. Examples of substances in the liquid state are water and ethanol. Examples of substances in the gas state are oxygen and helium.
What phase change changes a solid to a gas or vapor without changing to a liquid first?
Sublimation is the phase change that changes a solid directly to a gas or vapor without first changing to a liquid. In this process, the solid particles gain enough energy to break free from the solid structure and enter the gas phase without passing through the liquid phase.
Describe four examples of changes in state?
Melting: When ice is exposed to heat, it changes from a solid to a liquid state. Evaporation: When water is heated, it changes from a liquid to a gaseous state. Freezing: When water is cooled, it changes from a liquid to a solid state. Sublimation: When dry ice (solid carbon dioxide) is heated, it changes directly from a solid to a gaseous state without becoming a liquid.
Can a solution be a solid a gas and a liquid or is it just liquids and gases or just liquids only?
A solution can exist as a solid, liquid, or gas. Examples include alloys (solid solutions), soda (liquid solution), and air (gas solution). Solutions are defined as homogenous mixtures of two or more substances.
