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*Note- heat is added without an increase in temperature during phase changes

Draw a sketch of a phase diagram. Using arrows, indicate where the 6 different phase changes are occurring. *Note- heat is added without an increase in temperature during phase changes. GAS LAWS. Boyle’s Law.

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*Note- heat is added without an increase in temperature during phase changes

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  1. Draw a sketch of a phase diagram. Using arrows, indicate where the 6 different phase changes are occurring.

  2. *Note- heat is added without an increase in temperature during phase changes

  3. GAS LAWS

  4. Boyle’s Law • Volume of a given amount of gas held at a constant temperature varies inversely with the pressure P1V1=P2V2

  5. Boyle’s Law

  6. Boyle’s Law • A balloon with a volume of 2.0 L is filled with a gas at 3 atmospheres. If the pressure is reduced to 0.5 atmospheres without a change in temperature, what would be the volume of the balloon? • The volume of the balloon will expand to 12 L.

  7. Charles’s Law • The volume of a given mass of gas is directly proportional to its kelvin temperature at constant pressure

  8. Charles’s Law

  9. Charles’s Law • A gas sample at 40.0 degres C occupies a volume of 2.32 L. If the temperature is raised to 75.0 degrees C, what will be the resulting volume, assuming the pressure remains constant? • 2.58 L

  10. Gay-Lussac’s Law • The pressure of a given mass of gas varies directly with the kelvin temperature when the volume remains constant

  11. Gay-Lussac’s Law

  12. Gay-Lussac’s Law • The pressure of a gas in a tank is 3.20 atm at 22.0 degrees C. If the temperature rises 60.0 degress C, what will be the gas pressure in the tank? • 3.61 atm

  13. A balloon is filled with 35.0 L of helium in the morning when the temperature is 20.0 C. By noon the temperature has risen to 45. °C. What is the new volume of the balloon?

  14. A sample of nitrogen gas has a volume of 478 cm3 and a pressure of 104.1 kPa. What volume would the gas occupy at 88.2 kPa if the temperature remains constant?

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