Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
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We should add ice after dissolving the sugar.
When we add ice to the solution, the ice cubes starts absorbing the thermal energy of the water molecules and thus reduces their kinetic or vibrational energy. Due to this the intermolecular forces of attraction contracts the spaces between the molecules and thus reduces their solubility.
The excess sugar molecules tends to settle at the bottom in a state of equilibrium.
When we add ice to the solution, the ice cubes starts absorbing the thermal energy of the water molecules and thus reduces their kinetic or vibrational energy. Due to this the intermolecular forces of attraction contracts the spaces between the molecules and thus reduces their solubility.
The excess sugar molecules tends to settle at the bottom in a state of equilibrium.
ravinder679:
This answer is right but not that I want
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Answer:
We should add ice after dissolving sugar because the dissolving power of water decreases with decrease in temperature. So, if we add ice before dissolving sugar, less amount of sugar will get dissolved.
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