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JudyEvaporation is the process in which a liquid turns into a gas (vapor) at a temperature below its boiling point, whereas drying is the removal of moisture from a solid or liquid through various methods such as air or heat. Evaporation typically occurs at the surface of a liquid, while drying can involve the removal of moisture from the interior of a material.
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How is evaporation useful for drying washing?
Evaporation is useful for drying washing because it allows moisture in the wet clothes to be converted into water vapor and dissipate into the air. This process helps to remove the water from the fabric, leaving the clothes dry.
Why does swirling or shaking a solution and its drying agent hasten the drying process?
Swirling or shaking a solution with a drying agent increases the surface area of contact between the solution and the drying agent, enhancing evaporation. This helps to remove moisture more efficiently compared to just letting the solution sit still.
What are the differences between drying and dehydration in chemistry?
Drying typically refers to the removal of moisture or water from a substance, while dehydration specifically refers to the removal of water molecules from a larger molecule. Drying can involve physical methods like evaporation, whereas dehydration often involves chemical reactions such as elimination reactions.
What process causes the mass of the drying sponge to change?
Evaporation is the process that causes the mass of the drying sponge to change. As water molecules on the sponge's surface gain energy, they convert into water vapor and leave the sponge, resulting in a decrease in mass as the sponge dries.
Is ink drying a physical or a chemical change and what are some examples?
Ink drying is a physical change because it involves the evaporation of the solvent, leaving the pigment behind on the surface of the paper. Some examples of ink drying include ballpoint pens, markers, and printing ink drying on paper.
