quiz 6: chapter 6

• what are the basic points in the kinetic molecular theory as it relates to gases?

  1. particles of a gas are in rapid, constant motion
  2. particles are tiny compared to the distances between them
  3. very little attraction between gas particles
  4. collisions between gas particles are conserved - energy is not lost overall
  5. temperature of a gas = a measure of the average kinetic energy of the gas particles
• what is pressure?


  force exerted over an area

  • pressure = P
  • increase motion, increased collisions, greater pressure
  • example: psi = pounds per square inch
  • 1 atmosphere (1atm) = 14.7 psi
• what is boyles law?

  the pressure of gas is inversely related to the volume of gas

  • ex: pressure goes up causing the volume to go down, and vise versa
• what quantities are kept constant in boyles law?

  • N = moles = number of particles
  • T = temperature
• what are examples of the relationship in boyles law?

  • air shocks on cars
  • car/bike inner tubes
  • weather balloons
• what is charles law?

  the volume of a gas is directly proportional to its absolute temperature (kelvin = k)
• what quantities are kep constant in charles law?

  • p = pressure
  • n = moles
• what are the examples of the relationship in charles law?

  a balloon heated / cooled down and changing volume
• what is the relationship between pressure and temperature?

  as the temperature of a gas increases, the pressure of the gas increases
• what quantities are kept constant between pressure and temperature?

  • v = volume
  • n = moles = number of particles
• what are examples of the relationship between pressure and temperature?

  • pressure cooker
  • aerosol cans in a fire (explosion)
• what happens if the temperature of a closed balloon is dropped, what happens to the gas in the balloon at 1 atm at equilibrium?

  • pressure = constant
  • temperature = decreases
  • volume = decreases
  • number of particles = constant
  • energy of particles = decreases
  • motions of particles = decreases
  • collisions between particles = constant
• pressure is related to?

  collisions
• volume is related to?


  distances between the particles
• temperature is related to?

  motions and energy of particles
• when temperature increases, the energy of particles…?

  increase
• When pressure increase, the collisions between particles..?

  increase
• When the temperature of a gas goes from 25 degrees to 10 degrees, the motion of gas particles ..?

  decrease
• When pressure drops, the collisions between particles..?

  decrease
• when the temperature decreases, the energies of the particles..?

  decrease
• when the temperature of a gas rises from 50 deg to 100 degrees, particles..?

  increase
• when pressure of gas increases, the volume of gas..?

  decreases
• When the temperature of gas increases, the volume of gas..?

  increases
• When the temperature of gas increases, the pressure of gas..?

  increases
• When pressure of gas decreases the volume of gas..?

  increase
• As the temperature goes from 25 degrees to 14, the volume of the gas..?

  decreases
• as the temperature goes from 100 to 25 degrees, the pressure of gas will..?

  decrease
• As the pressure goes from 1 atm to 2 atm the volume will..?

  decrease