
Concept explainers
Pressure
(See Section 10.1 and Example 10.1.)
The pressure of a gas is 440 mm Hg. Express this pressure in units of (a) atmospheres, (b) bars, and (c) kilopascals.
(a)

Interpretation:
The pressure given should be converted into the units of atmosphere.
Concept Introduction:
Pressure can be expressed in different units. But it is normally reported in
General unit conversions:
Answer to Problem 1PS
Explanation of Solution
The given pressure are in the units of atmosphere
Given the value of pressure as
Conversion into atm:
(b)

Interpretation:
The pressure given should be converted into the units of bars.
Concept Introduction:
Pressure can be expressed in different units. But it is normally reported in
General unit conversions:
Answer to Problem 1PS
Explanation of Solution
The given pressure are in the units of bar
Given the value of pressure as
Conversion into bar:
(c)

Interpretation:
The pressure given should be converted into the units of kilopascals.
Concept Introduction:
Pressure can be expressed in different units. But it is normally reported in
General unit conversions:
Answer to Problem 1PS
Explanation of Solution
The given pressure are in the units of kilopascals.
Given the value of pressure as
Conversion into kilopascals:
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