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depends on temperature. Very slowly at room temperature.

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14y ago

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Why do mothball powder and margarene dissolve in kerosene but not in the water?

Because "like dissolves like" eg. polar substances dissolve polar substances. Mothball powder, margarine, and kerosene are all non-polar. Water however is polar, so the mothball powder and margarine cannot dissolve in it.


Is disappearance of moth ball a chemical or physical change?

The disappearance of a mothball is considered a physical change. This is because there is no change in the chemical composition of the mothball when it disappears; it simply changes form from a solid into a gas through the process of sublimation.


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Longinus, a Roman rhetorician, defines the concept of the sublime as the ability of great writing to elevate and transport readers beyond the ordinary. He argues that the sublime evokes awe and inspires power, stirring the audience emotionally. Longinus believed that exceptional writing could create a sense of transcendence, leaving a lasting impact on the reader.


Do all ammonium compounds sublime?

No, not all ammonium compounds sublime. The ability of an ammonium compound to sublime depends on its specific chemical properties, such as its volatility and stability under heating. Some ammonium compounds do sublime, like ammonium chloride, but others may decompose or melt before sublimation can occur.


Does Mercury sublime?

Yes, Mercury can sublime, or transition directly from a solid to a gas at certain conditions. Because of its low boiling point, Mercury can evaporate at room temperature, creating a vapor that is toxic to humans.