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3493026
ConcepTest 1
Description
Volatility of gases, gas pressure
No tags specified
chemistry
gases
pressure
Quiz by
Wendell Thomas
, updated more than 1 year ago
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Created by
Wendell Thomas
about 9 years ago
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Resource summary
Question 1
Question
Syringes are used to bring drops of H2O and ethanol (EtOH) to the top of columns of mercury (Hg), as shown below. Identical volumes of the two liquids are added. What will happen to the heights of the Hg columns after a short time has passed?
Image:
92bb344b-292e-426d-a183-a0fe783a6bcf (image/png)
Answer
Both column heights will be the same.
The column below H2O will be shorter.
The column below EtOH will be shorter.
It is impossible to tell without knowing the temperature.
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