Question

Solid carbon dioxide turning directly into gaseous carbon dioxide at room temperature.

Answer 1

Answer:

Solid carbon dioxide is unusual in that, at room temperature and pressure, it does not turn into a liquid before changing into a gas as it warms up – it sublimes. The change in volume from solid to gas can be seen to be as much as 600 times if the container in which it is expanding is well-sealed and has no holes.

Answer 2

Solid carbon dioxide is unusual in that, at room temperature and pressure, it does not turn into a liquid before changing into a gas as it warms up – it sublimes. The change in volume from solid to gas can be seen to be as much as 600 times if the container in which it is expanding is well-sealed and has no holes.

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