Question

when iodine is heated it turns from solid to gas​

Answer 1

Answer:

When solid iodine crystals are heated (in a beaker with hot sand) the iodine will change from a solid directly to a gas without passing through a liquid phase. This is called sublimation. You can see in the video that a purple gas is formed when the iodine hits the hot sand.

Explanation:

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Answer 2

When solid iodine crystals are heated (in a beaker with hot sand) the iodine will change from a solid directly to a gas without passing through a liquid phase. This is called sublimation. You can see in the video that a purple gas is formed when the iodine hits the hot sand.

Iodine sublimes for the same reasons that all solids do: because it has some equilibrium vapor pressure an normal conditions. ... Some sources may specify that iodine goes directly from solid to gas when heated, never becoming a liquid.

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