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A certain amount of chlorine gas was placed inside a cylinder with a movable piston at
one end. The initial volume was 1.00 L and the initial pressure of chlorine was 1.10 atm.
The piston was raised to change the volume to 0.500 L. Which of the following
describes the new pressure? CORRECT ANSWERS Higher than 1.10
Which scientist originally described the relationship between pressure and volume in
gas? CORRECT ANSWERS Boyle
In a room indoors at 19.0 degrees Celsius, a spherical balloon had the diameter of 50.0
cm. When taken outside, the balloon deflated to 49.0 cm in diameter. Assuming that the
pressure inside the balloon remains the same, which of the following describes the
outside temperature? CORRECT ANSWERS Less than 19.0 degrees Celsius
In a container that is sealed at the top by a movable piston, an ideal gas is added at
1.00 atm, 20.0 degrees Celsius, and 1.00 L. If the temperature of the gas is raised to
40.0 degrees Celsius and the piston is not allowed to move, which of the following
describes the pressure of the gas? CORRECT ANSWERS Higher than 1.00 atm
According to the kinetic molecular theory, the pressure of a gas in a container will
increase if the: CORRECT ANSWERS number of collisions with the container wall
increases
Which of the following intermolecular forces are the weakest? CORRECT ANSWERS
Dispersion forces
For which of the following would hydrogen bonding be the most important intermolecular
force in determining the physical properties in the liquid state? CORRECT ANSWERS
NH3 (H with O, N, or F)
Identify the intermolecular forces present in phosphine, PH3 CORRECT ANSWERS
Dipole-dipole and London dispersion forces
The vapor pressure of a pure liquid decreases with which of the following? CORRECT
ANSWERS The temperature of the liquid phase decreases
Capillary action will occur when adhesive forces are _____________ cohesive forces
CORRECT ANSWERS greater than