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Kinetic Molecular Theory

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Presentation on theme: "Kinetic Molecular Theory"— Presentation transcript:

1 Kinetic Molecular Theory
Gas Laws Jeopardy Boyle’s Law Charles Law Combined Gas Law Formulas and units Kinetic Molecular Theory 10 20 30 40 50

2 Define Boyle’s Law The volume of The volume of a gas is inversely proportional to the pressure of the gas. roportional to the pressure of the gas. Category

3 For two sets of pressure and volume measurements mathematically
how do you write Boyle’s Law ? Category P1V1 = P2V2

4 According to Boyle’s Law When pressure of a gas increases
What would happen to its volume? Decreases

5 A 2L Helium Balloon has a pressure of 100kPa. What is its new volume
when it is take to a mountain top where the pressure is 50 kPa? Volume is= 4L

6 What pressure is required to change the volume to 0.250 L
A bicycle pump contains 0.750L of air at 101 kPa. If the pump is closed, What pressure is required to change the volume to L 303 kPa

7 Define Charles Law Volume of a gas is directly proportional to temperature When pressure is kept constant.

8 How can you write the mathematical expression
when two sets of volume and temperature measurements are given? V1T2 = V2T1

9 What will happen to the volume of a gas when its temperature is increased ?
Volume also increases

10 On Kelvin temperature scale what is absolute zero?
Absolute zero is 0°K or -273°C

11 A gas cylinder has a gas of volume of 2. 5L at 25°C
A gas cylinder has a gas of volume of 2.5L at 25°C. When the temperature is increased to 95°C what is its final volume? 3.087 L

12 Name the quantities that involve In combined gas law.
Pressure, Temperature and Volume

13 Mathematically how do you express combined gas law
P1V1 = P2V2 T T2

14 Define combined gas law
The product of the pressure and volume of a gas sample is Proportional to its absolute temperature in Kelvin scale. PV = kT

15 A balloon has a volume of 5. 00 L at 20°C and 100 kPa
A balloon has a volume of L at 20°C and 100 kPa. What is its new volume at 35°C and 90 kPa. 9.7 L

16 A cylinder of helium gas has a volume of 1. 0 L
A cylinder of helium gas has a volume of 1.0 L. The gas in the cylinder exerts a pressure of 800 kPa at 30°C . What volume would this gas occupy at SATP? 6.67 L

17 What is STP means? Standard Temperature and Pressure

18 What are the exact values of Temperature and Pressure at STP?
Temperature = 0°C and Pressure = kPa

19 What is SATP? Standard Ambient Temperature and Pressure

20 what are the exact values of Temperature and Pressure at SATP?
Temperature = 25°C and Pressure = 100 kPa

21 List all the units given for pressure
Atmospheres, Kilo Pascal, Torr, mm Hg

22 How do you define Kinetic Molecular Theory
All substances contain particles that are in constant, random motion.

23 What type of motion we see in the particles of Solids?
Vibrational motion

24 Name the energy possessed by the moving particles
Kinetic Energy

25 What type of motion does liquid particles possess?
Vibrational, Rotational, and Translational

26 Why do translational motion is most significant in Gases?
This produces random collisions and the most disordered state with no organization.


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