PHA 317 Exam 1 Questions and
Answers 100% Pass
convert K to C - CORRECT ANSWER--273.15
convert F to C - CORRECT ANSWER-(5X (F-32))/9
1 angstrom is equal to ____ m - CORRECT ANSWER-10^(-10)
keesom forces - CORRECT ANSWER-dipole-dipole
debye forces - CORRECT ANSWER-dipole-induced dipole
london forces - CORRECT ANSWER-induced dipole-induced dipole
electrostatic forces (3) - CORRECT ANSWER-ionic
ion dipole
dipole-dipole
hydrogen bonds have both - CORRECT ANSWER-ionic and dipolar forces
enatiotropic - CORRECT ANSWER-two different polymorphs stable at 2
different temperature ranges
, monotropic - CORRECT ANSWER-only one polymorph is stable at all temps
below mp (others aren't stable
hydrates - CORRECT ANSWER-if the solvent is H2O
amorphous solids - CORRECT ANSWER-random order, tend to flow, have a
range of mp
isotropic solids - CORRECT ANSWER-similar properties in all direction
-amorphous
anisotropic solids - CORRECT ANSWER-different properties in different
directions
-crystalline solids
partially crystalline solids - CORRECT ANSWER-beeswax
multicomponent system - CORRECT ANSWER-both amorphous and crystalline
real gas law (3) - CORRECT ANSWER-volume of gases is not negligible
collision between particles is not perfectly elastic
attraction and repulsion forces occur
kinetic molecular theory (5) - CORRECT ANSWER-1. molecules are in random
motion, colliding with each other
2. rate of motion is invite temp in kelvin
3. molecules are completely elastic
Answers 100% Pass
convert K to C - CORRECT ANSWER--273.15
convert F to C - CORRECT ANSWER-(5X (F-32))/9
1 angstrom is equal to ____ m - CORRECT ANSWER-10^(-10)
keesom forces - CORRECT ANSWER-dipole-dipole
debye forces - CORRECT ANSWER-dipole-induced dipole
london forces - CORRECT ANSWER-induced dipole-induced dipole
electrostatic forces (3) - CORRECT ANSWER-ionic
ion dipole
dipole-dipole
hydrogen bonds have both - CORRECT ANSWER-ionic and dipolar forces
enatiotropic - CORRECT ANSWER-two different polymorphs stable at 2
different temperature ranges
, monotropic - CORRECT ANSWER-only one polymorph is stable at all temps
below mp (others aren't stable
hydrates - CORRECT ANSWER-if the solvent is H2O
amorphous solids - CORRECT ANSWER-random order, tend to flow, have a
range of mp
isotropic solids - CORRECT ANSWER-similar properties in all direction
-amorphous
anisotropic solids - CORRECT ANSWER-different properties in different
directions
-crystalline solids
partially crystalline solids - CORRECT ANSWER-beeswax
multicomponent system - CORRECT ANSWER-both amorphous and crystalline
real gas law (3) - CORRECT ANSWER-volume of gases is not negligible
collision between particles is not perfectly elastic
attraction and repulsion forces occur
kinetic molecular theory (5) - CORRECT ANSWER-1. molecules are in random
motion, colliding with each other
2. rate of motion is invite temp in kelvin
3. molecules are completely elastic