This learning activity sheet offers interesting discussion about gases, its behaviour and properties. Like solids and liquids, gases are governed by laws of nature. One of the undamental laws that governs gas is the Boyle's Law. This law is explained by the kinetic nolecular theory, in which the pressure of a gas depends on the number of times per econd that the molecules strike the surface of the container or collide with each other, as he volume of gas decreases, the pressure increases forcing the gas particles to move loser to one another. Boyle's law states that the relationship between the volume and pressure of gases at

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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This learning activity sheet offers interesting discussion about gases, its behaviour
and properties. Like solids and liquids, gases are governed by laws of nature. One of the
fundamental laws that govems gas is the Boyle's Law. This law is explained by the kinetic
molecular theory, in which the pressure of a gas depends on the number of times per
second that the molecules strike the surface of the container or collide with each other, as
the volume of gas decreases, the pressure increases forcing the gas particles to move
closer to one another.
Boyle's law states that the relationship between the volume and pressure of gases at
constant temperature is inversely proportional, meaning when one value decreases, the
other value increases. This was first stated by Robert Boyle during the 16th century while
he performed an experiment wherein he trapped a fixed amount of air in the J-tube, he
changed the pressure and controlled the temperature and then, he observed its effect to the
volume of the air inside the J-tube. He found out that as the pressure is increased, the
volume decreases. He finally concluded that the volume of a fixed amount of gas is inversely
proportional to its pressure at constant temperature.
Gas particles have a very weak intermolecular force of attraction, hence they move
as far as possible from each other. They have the tendency to occupy all the spaces they
are contained in. If the pressure is increased, the volume will be decreased. This
phenomenon can be expressed in the Boyle's Law equation:
1
-a
at constant T and n
P
GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021
Where: V= volume, P= pressure, T = temperature and n= amount of the gas.
Let us apply the equation you learned about Boyle's Law. Since volume and pressure
of the gas can be varied, let P, and V, be the initial pressure and volume respectively and P,
and V, be the final pressure and volume respectively.
According to Boyle's Law, PV-K therefore:
V,P,K
V.PK
Then: V.P. =V.P:
Let Us Try
Since you are now equipped with the fundamental knowledge about Boyle's Law, try
to answer these questions by examining the picture below.
P-4 tim
P-1 etm
-2 atm
V-IL
T-298 K
V-050L
T-208K
V-0.25 L
T-20 K
Figure 1: Boyle's Law Illustration
Guide Questions:
1. What happens to the volume of the syringe as the set of weights is added on top of it?
2. What happens to the pressure on the syringe when the set of weights is added?
3. What is the relationship between volume and pressure of gases at constant temperature?
GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021
Transcribed Image Text:Let Us Discover This learning activity sheet offers interesting discussion about gases, its behaviour and properties. Like solids and liquids, gases are governed by laws of nature. One of the fundamental laws that govems gas is the Boyle's Law. This law is explained by the kinetic molecular theory, in which the pressure of a gas depends on the number of times per second that the molecules strike the surface of the container or collide with each other, as the volume of gas decreases, the pressure increases forcing the gas particles to move closer to one another. Boyle's law states that the relationship between the volume and pressure of gases at constant temperature is inversely proportional, meaning when one value decreases, the other value increases. This was first stated by Robert Boyle during the 16th century while he performed an experiment wherein he trapped a fixed amount of air in the J-tube, he changed the pressure and controlled the temperature and then, he observed its effect to the volume of the air inside the J-tube. He found out that as the pressure is increased, the volume decreases. He finally concluded that the volume of a fixed amount of gas is inversely proportional to its pressure at constant temperature. Gas particles have a very weak intermolecular force of attraction, hence they move as far as possible from each other. They have the tendency to occupy all the spaces they are contained in. If the pressure is increased, the volume will be decreased. This phenomenon can be expressed in the Boyle's Law equation: 1 -a at constant T and n P GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021 Where: V= volume, P= pressure, T = temperature and n= amount of the gas. Let us apply the equation you learned about Boyle's Law. Since volume and pressure of the gas can be varied, let P, and V, be the initial pressure and volume respectively and P, and V, be the final pressure and volume respectively. According to Boyle's Law, PV-K therefore: V,P,K V.PK Then: V.P. =V.P: Let Us Try Since you are now equipped with the fundamental knowledge about Boyle's Law, try to answer these questions by examining the picture below. P-4 tim P-1 etm -2 atm V-IL T-298 K V-050L T-208K V-0.25 L T-20 K Figure 1: Boyle's Law Illustration Guide Questions: 1. What happens to the volume of the syringe as the set of weights is added on top of it? 2. What happens to the pressure on the syringe when the set of weights is added? 3. What is the relationship between volume and pressure of gases at constant temperature? GSC-CID-LRMS-ESSLM, v.r. 02.00, Effective April 21, 2021
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