Question
The mercury level in a capillary tube placed in a dish of mercury is below the surface of the mercury in the dish. Explain why.
Step 1
Adhesive forces are the attractive forces between unlike molecules, in this case, mercury and glass. Cohesive forces, on the other hand, are the attractive forces between like molecules, in this case, mercury and mercury. Show more…
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The mercury level in a capillary tube inserted into a dish of mercury is below the surface of the mercury in the dish. Why?
The mercury level in a capillary tube placed in a dish of mercury is actually below the surface of the mercury in the dish. Please choose the answer that best explains the phenomenon.
a. Why does a column of mercury in a tube that is inverted in a dish of mercury have a height of about 760 mm at sea level? b. The density of water is approximately 1/13.5 the density of mercury. What height would be maintained by a column of water inverted in a dish of water at sea level? c. What accounts for the difference in the heights of the mercury and water columns?
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