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Is dissolving sugar in heat nonspontaneous?
Dissolving sugar in water is a spontaneous process as it increases the entropy (disorder) of the system. The increase in entropy overcomes the small decrease in enthalpy to make the overall process spontaneous.
What is the difference between dissolving sugar in water and making cookies with sugar in them?
Dissolving sugar in water involves sugar molecules dispersing and mixing evenly throughout the water. Making cookies with sugar involves combining sugar with other ingredients like flour, eggs, and butter to create a dough that is then baked, resulting in a solid mixture with sugar crystals distributed throughout.
What are the solid materials that can be completely dissolved in the liquid materials?
Solids that can be completely dissolved in liquid materials are typically in the form of soluble salts, sugars, or certain gases. Examples include table salt (sodium chloride) dissolving in water, sugar dissolving in coffee, and carbon dioxide dissolving in water to make carbonated drinks.
Method use in separating sugar and sand?
One common method to separate sugar and sand is by dissolving the sugar in water and then filtering the mixture. The sugar will dissolve in the water while the sand remains solid, allowing it to be separated by pouring the liquid through a filter. The sugar can be recovered by evaporating the water.
What are the variables of does sugar dissolving faster in hot or cold water?
Temperature: more sugar will dissolve in water at a higher temperature. The amount of water is also a factor, since more water will be able to dissolve more sugar. If you are wondering about the rate, and not simply the amount, of sugar dissolving, then the surface area of the particles is also important. The greater the surface area, the more rapidly it will dissolve (smaller grains of sugar would dissolve more rapidly than a sugar cube, for instance).
