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# 1.Collisions between gas molecules and the walls of the container are elastic.

TRUE or FALSE

2.Which of the following does not follow the kinetic molecular theory?

a.Gas molecules possess mass but have negligible volume.

b.Gas molecules attract each other during collision, which affects the overall energy.

c.The average kinetic energy of gas molecules is unaffected by the mass of the molecules.The average kinetic energy of gas molecules increases with d.increasing thermal energy (higher temperature).

3.Solid iodine crystals at the bottom of a closed test tube sublime to form iodine vapor. The vapor eventually fills the entire test tube. Use kinetic molecular theory to explain the diffusion of the iodine gas and whether diffusion happens in liquids and solids.

4.If the Kelvin temperature of a substance has doubled, we can say:

a.the kinetic energy of the substance has been halved

b.the kinetic energy of the substance is tripled

c.the kinetic energy of the substance has doubled

d.the kinetic energy of the substance is unaffected

5.The average kinetic energy of 1 mole of a gas at -32 degrees Celsius is:

a.3.01 x 103 J

b.3.99 x 102 J

c.-3.99 x 102 J

d.3.80 x 103 J

6.The average kinetic energy of 1 mole of a gas at 0 Kelvin is:

a.1.237 x 101 J

b.5.543 x 100 J

c.0 J

d.8.314 x 100 J