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Chem 103 module 5 Questions and Correct
Answers/ Latest Update / Already Graded
gas pressure is caused by...
Ans: the force exerted by gas molecules colliding with the
surfaces of objects
atmospheric pressure is caused by...
Ans: the weight of the column of air molecules in the
atmosphere above an object
pressure
Ans: the force exerted on a given area
P=F/A
unit= Pascal
pascal (Pa)
Ans: 1 Pa = I N/m^2
atmosphere (atm)
Ans: I atm = 101,325 Pa
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kilopascal (kPa)
Ans: 1 kPa = 1000 Pa
pounds per square inch (psi)
Ans: air pressure at sea level is 14.7 psi
bar (b)
Ans: 1 bar = 100,000 Pa
millibar (mb)
Ans: 1000 mb = 1 b
inches of mercury (in Hg)
Ans: 1 in Hg = 3386 Pa
torr
Ans: 760 torr = 1 atm
All rights reserved © 2025/ 2026 |
Chem 103 module 5 Questions and Correct
Answers/ Latest Update / Already Graded
gas pressure is caused by...
Ans: the force exerted by gas molecules colliding with the
surfaces of objects
atmospheric pressure is caused by...
Ans: the weight of the column of air molecules in the
atmosphere above an object
pressure
Ans: the force exerted on a given area
P=F/A
unit= Pascal
pascal (Pa)
Ans: 1 Pa = I N/m^2
atmosphere (atm)
Ans: I atm = 101,325 Pa
All rights reserved © 2025/ 2026 |
, Page |2
kilopascal (kPa)
Ans: 1 kPa = 1000 Pa
pounds per square inch (psi)
Ans: air pressure at sea level is 14.7 psi
bar (b)
Ans: 1 bar = 100,000 Pa
millibar (mb)
Ans: 1000 mb = 1 b
inches of mercury (in Hg)
Ans: 1 in Hg = 3386 Pa
torr
Ans: 760 torr = 1 atm
All rights reserved © 2025/ 2026 |
