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Lets assume the molecules in the liquid have a certain kinetic energy: E = 0.5mv2
If the liquid is heated, more energy is given to the molecules so their kinetic energy is increased. If their kinetic energy is increased, and their mass remains constant, then their velocity must have also increased according to the above equation.
Answer: they move faster
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoFaster, because there are collisions between the particles in the warm air and the particles in the cold butter, and there is a transfer of energy from warm to cool. So as the butter particles become warmer they move faster.
Wiki User
∙ 9y agoOne thing that complicates this is that some of the "molecules" of butter are water; up to about 15% in most commercial butter ("home-made" butter typically has an even higher water content).
The butterfat molecules are significantly more massive than water (exactly how much varies, since "butterfat" refers to any of a number of compounds, but molecular weights of around 800 aren't at all unreasonable; for comparison, the molecular mass of water is about 18). Since the average molecular speed at a given temperature depends on the square root of the molecular mass, the heavier butterfat molecules move slower than water molecules at the same temperature (by a factor of roughly 6-7).
Wiki User
∙ 14y agoFaster because as the butter changes from a solid to a liquid its particles move faster.
Wiki User
∙ 13y agoYes because particles in liquids have more space to move freely while a solid's particles are compacted into a tight space and scarcely move.
Mia Jenkins
Faster
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