ELEMENTARY GAS LAWS GAS LAWS INTRODUCTION Gas laws
![ELEMENTARY GAS LAWS ELEMENTARY GAS LAWS](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-1.jpg)
![GAS LAWS INTRODUCTION • Gas laws are simple mathematic relationships between volume, temperature, pressure GAS LAWS INTRODUCTION • Gas laws are simple mathematic relationships between volume, temperature, pressure](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-2.jpg)
![BOYLE’S LAW • Relates pressure and volume (temperature and moles of gas are held BOYLE’S LAW • Relates pressure and volume (temperature and moles of gas are held](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-3.jpg)
![BOYLE’S LAW Boyle’s law states that the volume of a fixed amount of gas BOYLE’S LAW Boyle’s law states that the volume of a fixed amount of gas](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-4.jpg)
![EXAMPLE A sample of oxygen gas has a volume of 150. m. L when EXAMPLE A sample of oxygen gas has a volume of 150. m. L when](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-5.jpg)
![LET’S PRACTICE USING BOYLE’S LAW Page 559 #1, 2 LET’S PRACTICE USING BOYLE’S LAW Page 559 #1, 2](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-6.jpg)
![CHARLES’ LAW • Relates volume and temperature (pressure and moles of gas are held CHARLES’ LAW • Relates volume and temperature (pressure and moles of gas are held](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-7.jpg)
![CHARLES’ LAW Charles’ law states that the volume of a fixed amount of a CHARLES’ LAW Charles’ law states that the volume of a fixed amount of a](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-8.jpg)
![KELVIN SCALE (ABSOLUTE ZERO) TYLER DEWITT KELVIN SCALE (ABSOLUTE ZERO) TYLER DEWITT](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-9.jpg)
![EXAMPLE A sample of neon gas occupies a volume of 752 m. L at EXAMPLE A sample of neon gas occupies a volume of 752 m. L at](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-10.jpg)
![LET’S PRACTICE USING CHARLES’ LAW Page 552 #1, 2 LET’S PRACTICE USING CHARLES’ LAW Page 552 #1, 2](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-11.jpg)
![GAY-LUSSAC’S LAW • Relates pressure and temperature • What can be interpreted from this GAY-LUSSAC’S LAW • Relates pressure and temperature • What can be interpreted from this](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-12.jpg)
![GAY-LUSSAC’S LAW Gay-Lussac’s law states that the pressure of fixed amount of gas (moles) GAY-LUSSAC’S LAW Gay-Lussac’s law states that the pressure of fixed amount of gas (moles)](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-13.jpg)
![EXAMPLE The gas in an aerosol can is at a pressure of 3. 00 EXAMPLE The gas in an aerosol can is at a pressure of 3. 00](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-14.jpg)
![LET’S PRACTICE USING GAYLUSSAC’S LAW Page 559 #3 LET’S PRACTICE USING GAYLUSSAC’S LAW Page 559 #3](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-15.jpg)
![COMBINED GAS LAW A gas sample often undergoes changes in temperature, pressure and volume COMBINED GAS LAW A gas sample often undergoes changes in temperature, pressure and volume](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-16.jpg)
![COMBINED GAS LAW • The combined gas law can be used to calculate different COMBINED GAS LAW • The combined gas law can be used to calculate different](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-17.jpg)
![EXAMPLE A helium filled balloon has a volume of 50. 0 L at 25°C EXAMPLE A helium filled balloon has a volume of 50. 0 L at 25°C](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-18.jpg)
![GAS LAWS SUMMARY Law Boyle’s Charles’ Gay-Lussca’s Combined Variables Constant(s) Mathematical Relationship Expression GAS LAWS SUMMARY Law Boyle’s Charles’ Gay-Lussca’s Combined Variables Constant(s) Mathematical Relationship Expression](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-19.jpg)
![PRACTICE TIME Read sections 11. 8 & 11. 9 Page 549 #1, 2 Page PRACTICE TIME Read sections 11. 8 & 11. 9 Page 549 #1, 2 Page](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-20.jpg)
- Slides: 20
![ELEMENTARY GAS LAWS ELEMENTARY GAS LAWS](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-1.jpg)
ELEMENTARY GAS LAWS
![GAS LAWS INTRODUCTION Gas laws are simple mathematic relationships between volume temperature pressure GAS LAWS INTRODUCTION • Gas laws are simple mathematic relationships between volume, temperature, pressure](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-2.jpg)
GAS LAWS INTRODUCTION • Gas laws are simple mathematic relationships between volume, temperature, pressure and moles of a gas • These variables can be changed and the results can be observed
![BOYLES LAW Relates pressure and volume temperature and moles of gas are held BOYLE’S LAW • Relates pressure and volume (temperature and moles of gas are held](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-3.jpg)
BOYLE’S LAW • Relates pressure and volume (temperature and moles of gas are held constant) • What can be interpreted from this graph about volume and pressure?
![BOYLES LAW Boyles law states that the volume of a fixed amount of gas BOYLE’S LAW Boyle’s law states that the volume of a fixed amount of gas](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-4.jpg)
BOYLE’S LAW Boyle’s law states that the volume of a fixed amount of gas (moles) varies inversely with the pressure at a constant temperature Mathematically, his law is expressed as Where V is volume, P is pressure and k is a constant Boyle’s law can be used to compare changing pressure/volume conditions for a gas Where P 1 and V 1 are initial conditions and P 2 and V 2 are new conditions
![EXAMPLE A sample of oxygen gas has a volume of 150 m L when EXAMPLE A sample of oxygen gas has a volume of 150. m. L when](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-5.jpg)
EXAMPLE A sample of oxygen gas has a volume of 150. m. L when its pressure is 0. 947 atm. What will the volume of the gas be at a pressure of 0. 987 atm if the temperature remains constant? The final volume would be 144 m. L of O 2
![LETS PRACTICE USING BOYLES LAW Page 559 1 2 LET’S PRACTICE USING BOYLE’S LAW Page 559 #1, 2](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-6.jpg)
LET’S PRACTICE USING BOYLE’S LAW Page 559 #1, 2
![CHARLES LAW Relates volume and temperature pressure and moles of gas are held CHARLES’ LAW • Relates volume and temperature (pressure and moles of gas are held](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-7.jpg)
CHARLES’ LAW • Relates volume and temperature (pressure and moles of gas are held constant) • What can be interpreted from this graph about volume and temperature?
![CHARLES LAW Charles law states that the volume of a fixed amount of a CHARLES’ LAW Charles’ law states that the volume of a fixed amount of a](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-8.jpg)
CHARLES’ LAW Charles’ law states that the volume of a fixed amount of a gas (moles) at constant pressure varies directly with the Kelvin temperature Mathematically, his law is expressed as Where V is volume, T is temperature and k is a constant Charles’ law can applied directly to most volume/temperature problems involving gases by the following Where T 1 and V 1 are initial conditions and T 2 and V 2 are new
![KELVIN SCALE ABSOLUTE ZERO TYLER DEWITT KELVIN SCALE (ABSOLUTE ZERO) TYLER DEWITT](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-9.jpg)
KELVIN SCALE (ABSOLUTE ZERO) TYLER DEWITT
![EXAMPLE A sample of neon gas occupies a volume of 752 m L at EXAMPLE A sample of neon gas occupies a volume of 752 m. L at](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-10.jpg)
EXAMPLE A sample of neon gas occupies a volume of 752 m. L at 25°C. What volume will the gas occupy at 50° C if the pressure is constant? The final volume will be 815 m. L of neon gas
![LETS PRACTICE USING CHARLES LAW Page 552 1 2 LET’S PRACTICE USING CHARLES’ LAW Page 552 #1, 2](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-11.jpg)
LET’S PRACTICE USING CHARLES’ LAW Page 552 #1, 2
![GAYLUSSACS LAW Relates pressure and temperature What can be interpreted from this GAY-LUSSAC’S LAW • Relates pressure and temperature • What can be interpreted from this](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-12.jpg)
GAY-LUSSAC’S LAW • Relates pressure and temperature • What can be interpreted from this graph about pressure and temperature?
![GAYLUSSACS LAW GayLussacs law states that the pressure of fixed amount of gas moles GAY-LUSSAC’S LAW Gay-Lussac’s law states that the pressure of fixed amount of gas (moles)](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-13.jpg)
GAY-LUSSAC’S LAW Gay-Lussac’s law states that the pressure of fixed amount of gas (moles) at constant volume varies directly with the Kelvin temperature. Mathematically, his law is expressed as Where P is Pressure, T is temperature and k is a constant Gay-Lussac’s law can be used to calculate unknown values using the following form Where P 1 and T 1 are initial conditions and P 2 and T 2 are new
![EXAMPLE The gas in an aerosol can is at a pressure of 3 00 EXAMPLE The gas in an aerosol can is at a pressure of 3. 00](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-14.jpg)
EXAMPLE The gas in an aerosol can is at a pressure of 3. 00 atm at 25°C. Directions on the can warn the user not to keep the can in a place where the temperature exceeds 52°C. What would the gas pressure be in the can at 52° C? The final pressure would be 3. 27 atm
![LETS PRACTICE USING GAYLUSSACS LAW Page 559 3 LET’S PRACTICE USING GAYLUSSAC’S LAW Page 559 #3](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-15.jpg)
LET’S PRACTICE USING GAYLUSSAC’S LAW Page 559 #3
![COMBINED GAS LAW A gas sample often undergoes changes in temperature pressure and volume COMBINED GAS LAW A gas sample often undergoes changes in temperature, pressure and volume](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-16.jpg)
COMBINED GAS LAW A gas sample often undergoes changes in temperature, pressure and volume at the same time. When this happens, Boyle’s, Charles’s and Gay-Lussac laws must be combined The combined gas law expresses the relationship between pressure, volume and temperature of a fixed amount of gas (moles) Mathematically this is expressed as Where P is pressure, V is volume, T is temperature and k is a constant
![COMBINED GAS LAW The combined gas law can be used to calculate different COMBINED GAS LAW • The combined gas law can be used to calculate different](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-17.jpg)
COMBINED GAS LAW • The combined gas law can be used to calculate different conditions for equal quantities of gases • The combined gas law can be re-written as follows • Where P 1, V 1, and T 1 are initial conditions and P 2, V 2, and T 2 are new conditions
![EXAMPLE A helium filled balloon has a volume of 50 0 L at 25C EXAMPLE A helium filled balloon has a volume of 50. 0 L at 25°C](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-18.jpg)
EXAMPLE A helium filled balloon has a volume of 50. 0 L at 25°C and 1. 08 atm. What volume will it have at 0. 855 atm and 10. °C? The final volume will be 60. 0 L of Helium
![GAS LAWS SUMMARY Law Boyles Charles GayLusscas Combined Variables Constants Mathematical Relationship Expression GAS LAWS SUMMARY Law Boyle’s Charles’ Gay-Lussca’s Combined Variables Constant(s) Mathematical Relationship Expression](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-19.jpg)
GAS LAWS SUMMARY Law Boyle’s Charles’ Gay-Lussca’s Combined Variables Constant(s) Mathematical Relationship Expression
![PRACTICE TIME Read sections 11 8 11 9 Page 549 1 2 Page PRACTICE TIME Read sections 11. 8 & 11. 9 Page 549 #1, 2 Page](https://slidetodoc.com/presentation_image_h2/d42b967b6aa9694882bf5dbfa883939e/image-20.jpg)
PRACTICE TIME Read sections 11. 8 & 11. 9 Page 549 #1, 2 Page 560 #1 -3 Take the Check Your Understanding Quiz
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