Chapter 14 Review “The Behavior of Gases” Chemistry 1 Barstow High School Mr. Smith.

Slides:



Advertisements
Similar presentations
Section 2 – The Gas Laws Scientists have been studying physical properties of gases for hundreds of years. In 1662, Robert Boyle discovered that gas.
Advertisements

Gas Laws.
Unit 5: Gases – More Gas Laws: Charles’s Law and Boyle’s Law
Physical Characteristics of Gases
Gas Laws.
Gas Laws Chapter 14. Properties of Gases  Gases are easily compressed because of the space between the particles in the gas.
Gas Laws Mr. Gates Created by Educational Technology Network
Chapter 14 The Behavior of Gases 14.2 The Gas Laws
1 Chapter 12 The Behavior of Gases. 2 Section 12.1 The Properties of Gases u OBJECTIVES: Describe the properties of gas particles.
 Slides 3-8 Slides 3-8 ◦ Part One: Kinetic Molecular Theory and Introduction to Gas Laws  Slides Slides ◦ Part Two: Boyle’s Law, Charles’
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Chapter 14 The Behavior of Gases 14.1 Properties of Gases 14.2 The Gas Laws.
2-Variable Gas Laws. Kinetic-Molecular Theory 1. Gas particles do not attract or repel each other 2. Gas particles are much smaller than the distances.
The Gas Laws.
Chapter 13 Gases.
1 Chapter 12 The Behavior of Gases Milbank High School.
Gases Chapter – The Gas Laws Kinetic Theory = assumes that gas particles:  do not repel or attract each other  are much smaller than the distances.
Chapter 13: Gases. What Are Gases? Gases have mass Gases have mass.
Chapter 11 Behavior of Gases. Warm-up #1 How much force do you think it would take to crush this railroad tank car? Stay tuned.
Third Nine Weeks- 6 weeks review
Gases Chapter 13.
Aim: What are the properties of Gases?. Compressibility Compressibility is measure of how much volume decreases under increased pressure. Gases are easily.
CHEMISTRY THE BEHAVIOR OF GASES. VARIABLES THAT DESCRIBE A GAS Compressibility: a measure of how much the volume of matter decreases under pressure.
Now, a little more about Gases!. Boyle’s Law The volume of a gas is inversely related to the pressure at a constant temperature. P 1 V 1 = P 2 V 2.
Gases Chapter 14.
Chapter 14 The Behavior of Gases
We NEED Air to Breathe!!! Gases form homogeneous mixtures with each other regardless of the identities or relative proportions of the component gases Air.
13.2 THE GAS LAWS pp
Chapter 14 The Behavior of Gases 14.2 The Gas Laws
Chapter 3 Section 3 Notes.
Unit 14 Gas Laws. Properties of Gases Gas properties can be modeled using math. Model depends on— 1.V = volume of the gas (L) 2.T = temperature (Kelvin,
The Gas Laws u Describe HOW gases behave. u Can be predicted by the theory. The Kinetic Theory u Amount of change can be calculated with mathematical.
Chapter 12 (Practice Test)
Unit 8 Chemistry Langley
The Behavior of Gases Chapter 14.
1 Unit 10: Gases Chapter 14 Test: February 25, 2009.
Chapter 14: The Behavior of Gases
Gas Class #4 OB: continued investigation into gases, and gas chemistry Demo diagram #2 today, to add to the first one (hot and cold balloons)
Chapter 12 – Review The Behavior of Gases
Gas Pressure, and Gas Laws
Gas Laws 10-2 and Ideal Gas Law PV = nRT PV = nRT P = Pressure, in atm V = volume, in L n = number of moles T =Temperature, in Kelvins (K = C +
The Gas Laws u The gas laws describe HOW gases behave. u They can be predicted by theory. u The amount of change can be calculated with mathematical.
Gas Laws.
Ch. 14 The Behavior of Gases PROPERTIES OF GASES.
Gas Laws. 1. Kinetic Molecular Theory Ideal Gases :  Gas particles do not attract or repel each other.  Gas particles are much smaller than the distances.
Gas Laws Review. A sample of carbon dioxide occupies a volume of 3.5 L at 125 kPa pressure. What pressure would the gas exert if the volume was lowered.
Gases & Atmospheric Chemistry Charles’ & Gay-Lussac’s Gas Laws Unit 5.
Gases. Kinetic Theory of Gases Explains Gas behavior: 4 parts: 1) Gas particles do not attract or repel each other (no I.M. forces).
Chapter 14 Review “The Behavior of Gases”. Chapter 14 Review Charles’s law states that ____. Charles’s law states that ____. As the temperature of a fixed.
Chapter 14 Properties of Gases Section 14.1 The Behavior of Gases 1.
Chapter 13: Gases. Nature of gases Assumptions of Kinetic-Molecular theory are based on four factors: 1)Number of particles present 2)Temperature 3)Pressure.
Aim: What are the properties of Gases? DO NOW: Fill in the blanks. (increase or decrease for each blank) 1. As the volume of a gas ____________, the pressure.
Chapter 14 Review “The Behavior of Gases”. First Item: Know the Theory and Definitions of the Gas Laws PTV Remember.
Unit 9 Review Gases and States of Matter. 1. What is a key difference between a liquid and a gas? A. Particles are moving faster in a liquid B. Particles.
Gases HW: read CH 13.
Section 13.1 Describing the Properties of Gases Steven S. Zumdahl Susan A. Zumdahl Donald J. DeCoste Gretchen M. Adams University of Illinois at Urbana-Champaign.
THE GAS LAWS AVOGADRO’S, BOYLE’S, CHARLES’S, GAY-LUSSAC’S AND COMBINED GAS LAWS.
Chapter 12 “The Behavior of Gases” Pre-AP Chemistry Charles Page High School Stephen L. Cotton.
1 Behavior of Gases Ch Why do air bags work? Which would you rather hit the dashboard or an air bag? Why? Which would you rather hit the dashboard.
14.1 The Gas Laws > 1 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Chapter 14 The Behavior of Gases 14.1 Properties of.
1 Gases (Vapors) Gases expand to fill any container. Therefore, gases are highly compressible.
Math Review 1.Solve for x:2x - 3 = 1 7x + 2 = 4 4.
Behavior of Gases. Compressibility Compressibility- a measure of how much the volume of matter decreases under pressure.
The Behavior of Gases.
Chapter 11 Review.
Chapter 14 The Behavior of Gases 14.2 The Gas Laws
Chapter 12 The behavior of gases.
Chapter 14 The Behavior of Gases 14.2 The Gas Laws
Chapter 14 Review “The Behavior of Gases”
Basic Chemistry Chapter 11 Gases Chapter 11 Lecture
Chapter 14 The Behavior of Gases 14.1 Properties of Gases
Presentation transcript:

Chapter 14 Review “The Behavior of Gases” Chemistry 1 Barstow High School Mr. Smith

First Item: Know the Theory and Definitions of the Gas Laws PTV Remember

Chapter 14 Review Charles’s law states that ____. Charles’s law states that ____. As the temperature of a fixed volume of a gas increases, the pressure will ____. As the temperature of a fixed volume of a gas increases, the pressure will ____. Which gas law can be used to calculate the number of moles of a contained gas? Which gas law can be used to calculate the number of moles of a contained gas? If a sealed syringe is plunged into cold water, in which direction will the syringe piston slide? If a sealed syringe is plunged into cold water, in which direction will the syringe piston slide?

Chapter 14 Review Boyle’s law states that ____. Boyle’s law states that ____. Which of the following atoms would have the greatest velocity if each atom had the same kinetic energy? a) ammonia, or b) hydrogen Which of the following atoms would have the greatest velocity if each atom had the same kinetic energy? a) ammonia, or b) hydrogen Why does air escape from a tire when the tire valve is opened? Why does air escape from a tire when the tire valve is opened? What happens to the pressure of a gas inside a container if the temperature of the gas decreases? What happens to the pressure of a gas inside a container if the temperature of the gas decreases?

Chapter 14 Review If a sealed syringe is heated, in which direction will the syringe plunger move? If a sealed syringe is heated, in which direction will the syringe plunger move? The volume of a gas is doubled while the temperature is held constant. So, how does the gas pressure change? The volume of a gas is doubled while the temperature is held constant. So, how does the gas pressure change?

Chapter 14 Review How is the ideal gas law usually written? How is the ideal gas law usually written? The combined gas law relates which items together? The combined gas law relates which items together? If a balloon is squeezed, what happens to the pressure of the gas inside the balloon? If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?

Chapter 14 Review At low temperatures and pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? At low temperatures and pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? If the volume of a container of gas is reduced, what will happen to the pressure inside the container? If the volume of a container of gas is reduced, what will happen to the pressure inside the container? In general, for a gas at a constant volume, the pressure of the gas is ____ proportional to its Kelvin temperature. In general, for a gas at a constant volume, the pressure of the gas is ____ proportional to its Kelvin temperature.

Chapter 14 Review At high pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? At high pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? Why does the pressure inside a container of gas increase if more gas is added to the container? Why does the pressure inside a container of gas increase if more gas is added to the container? Why is a gas easier to compress than a liquid or a solid? Why is a gas easier to compress than a liquid or a solid?

Second Item: Know the Math to solve the Problem Calculations

Steps to Solve the Math Calculations of the Gas Laws: 1)Carefully read the question; write down the known and unknown values on your paper. 2)Choose the equation that contains the known and unknown values. 3)Algebraically solve the equation for the unknown value. 4)Insert the known values into the equation, and carefully calculate the answer.

Chapter 14 Review A balloon filled with helium has a volume of 30.0 L at a pressure of 100 kPa and a temperature of 15.0 o C. What will the volume of the balloon be if the temperature is increased to 80.0 o C and the pressure remains constant? A balloon filled with helium has a volume of 30.0 L at a pressure of 100 kPa and a temperature of 15.0 o C. What will the volume of the balloon be if the temperature is increased to 80.0 o C and the pressure remains constant?

Chapter 14 Review The gaseous product of a reaction is collected in a 25.0 L container at 27 o C. The pressure in the container is kPa and the gas has a mass of 96.0 g. How many moles of the gas are in the container? The gaseous product of a reaction is collected in a 25.0 L container at 27 o C. The pressure in the container is kPa and the gas has a mass of 96.0 g. How many moles of the gas are in the container?

Chapter 14 Review The volume of a gas is 250 mL at kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant? The volume of a gas is 250 mL at kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant? A gas occupies a volume of 140 mL at 35.0 o C and 97 kPa. What is the volume of the gas at STP? A gas occupies a volume of 140 mL at 35.0 o C and 97 kPa. What is the volume of the gas at STP?

Chapter 14 Review A gas has a volume of 590 mL at a temperature of o C. What volume will the gas occupy if the temperature changes to 30.0 o C? A gas has a volume of 590 mL at a temperature of o C. What volume will the gas occupy if the temperature changes to 30.0 o C? What is the pressure exerted by 32 g of O 2 in a 22.0 L container at 30.0 o C? What is the pressure exerted by 32 g of O 2 in a 22.0 L container at 30.0 o C?

Chapter 14 Review A rigid container of O 2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K? A rigid container of O 2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K? A gas has a pressure of 710 kPa at 227 o C. What will its pressure be at 27 o C, if the volume does not change? A gas has a pressure of 710 kPa at 227 o C. What will its pressure be at 27 o C, if the volume does not change?

Chapter 14 Review A gas storage tank has a volume of 3.5 x 10 5 m 3 when the temperature is 27 o C and the pressure is 101 kPa. What is the new volume of the tank if the temperature drops to -10 o C and the pressure drops to 95 kPa? A gas storage tank has a volume of 3.5 x 10 5 m 3 when the temperature is 27 o C and the pressure is 101 kPa. What is the new volume of the tank if the temperature drops to -10 o C and the pressure drops to 95 kPa?

Chapter 14 Review A 10 g mass of krypton occupies 15.0 L at a pressure of 210 kPa. Find the volume of the krypton when the pressure is increased to 790 kPa. A 10 g mass of krypton occupies 15.0 L at a pressure of 210 kPa. Find the volume of the krypton when the pressure is increased to 790 kPa.

Chapter 14 Review How many moles of N 2 are in a flask with a volume of 250 mL at a pressure of kPa and a temperature of K? How many moles of N 2 are in a flask with a volume of 250 mL at a pressure of kPa and a temperature of K?