The teacher heats both beakers. She adds more energy to beaker X than to beaker Y by heating it for a longer time.
Which statement is true about the the water particles in the two beakers after they are heated?
A.
The water particles in beaker X and beaker Y will have the same average kinetic energy.
B.
The water particles in beaker X will have a higher average kinetic energy than those in beaker Y.
C.
There is no way to determine the average kinetic energy of the water particles.
D.
The water particles in beaker Y will have a higher average kinetic energy than those in beaker X.
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The correct statement is:
B. The water particles in beaker X will have a higher average kinetic energy than those in beaker Y.
This is because beaker X was heated for a longer time, which means it received more energy and the water particles in beaker X will therefore move faster, resulting in a higher average kinetic energy compared to the water particles in beaker Y.
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