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PAP Chem Wednesday & Thursday Test 4/8-4/9

Quiz by Veronica Nickols

High School
Chemistry (2017)
Texas Essential Knowledge and Skills (TEKS)

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20 questions
Show answers
  • Q1
    The temperature of a gas in a rigid steel container is increased from 100 K to 200 K. Which of the following is the most likely effect of this change on the other three variables used to describe the behavior of a gas?
    The mass and volume of the gas is halved, while the pressure remains constant.
    The pressure of the gas is doubled, while the volume and mass remain constant
    The volume of the gas is halved, while the pressure and the mass remain constant.
    The pressure and volume of the gas are doubled, while the mass remains constant.
    30s
    112.35.c.9.a
  • Q2
    30s
    112.35.c.9.b
  • Q3
    When a gas is ideal, there is no loss of energy during collisions. Which postulate of the kinetic molecular theory BEST supports this statement.
    The kinetic energy of gas particles is directly proportional to temperature.
    Gas particles are in constant random motion.
    There are no interactive forces between particles of gases.
    Collisions between gas particles are elastic.
    30s
    112.35.c.9.b
  • Q4
    Which postulate of the kinetic molecular theory BEST explains why gases can be compressed?
    There is no force of attraction between gas particles.
    There is empty space between gas particles.
    Gases are in constant random motion.
    Gas particles move in a straight line until they collide with other matter.
    30s
    112.35.c.9.b
  • Q5
    Which of the following is NOT a postulate of the Kinetic Molecular Theory?
    There are no attractive or repulsive forces between particles.
    The average speed of particles is proportional to the temperature.
    Larger particles exert more pressure at a given temperature.
    Particles move in straight lines until the collide with something.
    30s
    112.35.c.9.b
  • Q6
    Two gas molecules collide together in a box container. Which reaction accurately portrays the kinetic molecular theory?
    The two molecules will either be attracted or repelled by each other depending on the charge of each gas molecule.
    The two molecules will move in different directions without being attracted or repelled by the other.
    The two molecules will move off in opposite directions because they are repelled by each other.
    The two molecules will stay together because they are attracted to each other.
    30s
    112.35.c.9.b
  • Q7
    30s
    112.35.c.9.a
  • Q8
    30s
    112.35.c.9.a
  • Q9
    30s
    112.35.c.9.a
  • Q10
    30s
    112.35.c.9.a
  • Q11
    30s
    112.35.c.9.a
  • Q12
    With pressure, volume, and temperature being known values, the ideal gas law can be used to -
    calculate the density
    calculate the chemical formula
    calculate the kinetic energy
    calculate the number of moles
    30s
    112.35.c.9.a
  • Q13
    If the temperature of a gas changes, but the number of moles and volume remains constant, which of the following values must also change?
    Pressure
    Mass
    Density
    Number of atoms
    30s
    112.35.c.9.a
  • Q14
    A sample of gas in a rigid container at 30.0 C and 2.00 atm has its temperature increased to 40.0 C. What will be the new pressure?
    6.04 atm
    1.50 atm
    2.67atm
    2.07 atm
    30s
    112.35.c.9.a
  • Q15
    30s
    112.35.c.9.a

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