
Concept explainers
(a)
Interpretation:
The level of mercury on decreasing the temperature from
Concept introduction:
The change in temperature with change in pressure can be represented as follows:
Here, P is pressure, T is temperature and 1 and 2 is initial and final values.
(b)
Interpretation:
The approximate level of the mercury needs to be determined for the given conditions.
Concept introduction:
The manometric unit of presusre is mm Hg. It is defined as extra pressure that is generated by the column of mercury wich is 1 mm high and it is equal to 133.322 pascals. It is not the SI unit of pressure. The reading from a mercury column can be converted into other units of pressure by multiplying the height difference between two mercury levels by denisty of the mercury and gravitational acceleration.
(c)
Interpretation:
The approximate level of the mercury when the stopcock in (2) drawing is opened needs to be determined.
Concept introduction:
The manometric unit of presusre is mm Hg. It is defined as extra pressure that is generated by the column of mercury wich is 1 mm high and it is equal to 133.322 pascals. It is not the SI unit of pressure. The reading from a mercury column can be converted into other units of pressure by multiplying the height difference between two mercury levels by denisty of the mercury and gravitational acceleration.

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Chapter 10 Solutions
CHEMISTRY-TEXT
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