2007-06-02 19:22:40 · 10 answers · asked by naveen s 1 in Science & Mathematics ➔ Earth Sciences & Geology
In simple terms...
The water molecules move about faster when they are hot.
Water molecules collide with the sugar when it's placed in the water. Since the water molecules are moving about faster the force of collisions (between the water and sugar molecules) is greater and they occour at a higher rate.
The sugar therefore gets broken up (dissolved) faster.
2007-06-02 20:49:10 · answer #1 · answered by Anonymous · 1⤊ 0⤋
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why sugar dissolves more quickly in hot water than cold water?
2015-08-06 07:19:04 · answer #2 · answered by Anonymous · 0⤊ 0⤋
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Hot water has higher capability for dissolving sugar. The water molecules are more agitated and there is more motion inside the liquid and hence the sugar molecules get spread out far more quickly than in cold water. Further, the solubility of sugar is also more for hot water. Since the water molecules are more agitated, there is higher intermolecular space and hence more space to hold more sugar.
2016-04-08 10:07:44 · answer #3 · answered by Cynthia 4 · 0⤊ 0⤋
hot water more quickly dissolves the chemical bonds that hold the sugar together.
by the way, here is a little help with English Grammar: the question should read as follows:
Why does sugar dissolve more quickly in hot water than in cold water?
2007-06-02 19:25:49 · answer #4 · answered by schenzy 3 · 2⤊ 2⤋
The reason the hot water dissolves more is because it has faster moving molecules which are spread further apart than the molecules in the cold water. With bigger gaps between the molecules in the hot water, more sugar molecules can fit in between.
2015-08-29 19:52:26 · answer #5 · answered by shellen 1 · 0⤊ 0⤋
REACTION BETWEEN ANY TWO SUBSTANCES OF DIFFERENT TYPES TAKES PLACE MORE QUICKLY IN THE PRESENCE OF HEAT THAN IN NORMAL CONDITIONS .SO SUGAR DISSOLVES MORE QUICKLY IN HOT WATER THAN IN COLD WATER.
2007-06-02 19:27:45 · answer #6 · answered by Anonymous · 0⤊ 1⤋
Increase in temp. breaks down the bonds faster and speeds up the dissolving hence: change in surface tension is another factor here.
2007-06-02 19:44:30 · answer #7 · answered by swanjarvi 7 · 0⤊ 0⤋
All chemical reactions take place faster in hot solutions than in cold.
2007-06-02 19:26:51 · answer #8 · answered by Mike1942f 7 · 0⤊ 0⤋
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2015-08-04 07:43:33 · answer #9 · answered by Anonymous · 0⤊ 0⤋
as the temperature goes up the velocity of the molecules increases,decreases the surface tension,and this causes the sugar molecules to break of into the liquid.
2007-06-02 19:33:09 · answer #10 · answered by hick 2 · 0⤊ 0⤋