
Concept explainers
(a)
Interpretation:
Unit of pressure has to be converted from mmHg to atm.
Concept Introduction:
Pressure of gas is the force applied on a unit area.
Pressure = ForceArea
Pressure can be expressed in different units.
General unit conversions:
1 Pa = 1Nm−2 = 1 kgm−1s−2; 1 kPa = 103 Pa1 bar = 105 Pa = 103 kPa; mbar = 102 Pa1 atm = 1.01325×105 Pa = 101.325 kPa1 atm = 760 Torr = 760 mm Hg1 atm = 14.7 lb/in2(psi) = 1.01325 bar
(a)

Answer to Problem 11QRT
Pressure in atm is 0.158 atm.
Explanation of Solution
Given that pressure is 120 mmHg.
Convert the unit of pressure from mmHg to atm as follows,
P= 120 mmHg ×1 atm760 mmHg= 0.158 atm
Hence, pressure in atm is 0.158atm.
(b)
Interpretation:
Unit of pressure has to be converted from atm to mmHg.
Concept Introduction:
Refer to part (a)
(b)

Answer to Problem 11QRT
Pressure in mmHg is 1.52×103mmHg.
Explanation of Solution
Given that pressure is 2.00 atm.
Convert the unit of pressure from atm to mmHg as follows,
P= 2.00 atm ×760 mmHg1 atm= 1.52×103 mmHg
Hence, pressure in mmHg is 1.52×103mmHg.
(c)
Interpretation:
Unit of pressure has to be converted from kPa to mmHg where the given pressure is 100.0 kPa.
Concept Introduction:
Refer to part (a)
(c)

Answer to Problem 11QRT
Pressure in mmHg is 750.0mmHg.
Explanation of Solution
Given that pressure is 100.0 kPa.
Convert the unit of pressure from kPa to mmHg as follows,
P= 100.0 kPa×1 atm101.325 kPa×760 mmHg1 atm= 750.0 mmHg
Hence, pressure in mmHg is 750.0mmHg.
(d)
Interpretation:
Unit of pressure has to be converted from kPa to atm where the given pressure is 200.0 kPa.
Concept Introduction:
Refer to part (a)
(d)

Answer to Problem 11QRT
Pressure in atm is 1.97atm.
Explanation of Solution
Given that pressure is 200.0 kPa.
Convert the unit of pressure from kPa to atm as follows,
P= 200.0 kPa×1 atm101.325 kPa= 1.97 atm
Hence, pressure in atm is 1.97atm.
(e)
Interpretation:
Unit of pressure has to be converted from kPa to atm where the given pressure is 36 kPa.
Concept Introduction:
Refer to part (a)
(e)

Answer to Problem 11QRT
Pressure in atm is 0.36atm.
Explanation of Solution
Given that pressure is 36 kPa.
Convert the unit of pressure from kPa to atm as follows,
P= 36 kPa×1 atm101.325 kPa= 0.36 atm
Hence, pressure in atm is 0.36atm.
(e)
Interpretation:
Unit of pressure has to be converted from kPa to mmHg where the given pressure is 600.0 kPa.
Concept Introduction:
Refer to part (a)
(e)

Answer to Problem 11QRT
Pressure in mmHg is 4.50×103mmHg.
Explanation of Solution
Given that pressure is 600.0 kPa.
Convert the unit of pressure from kPa to mmHg as follows,
P= 600.0 kPa×1 atm101.325 kPa×760 mmHg1 atm= 4.50×103 mmHg
Hence, pressure in mmHg is 4.50×103mmHg.
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Chapter 8 Solutions
Chemistry: The Molecular Science
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