important stuff for quiz

Question 1

the greater the intermolecular forces, the ___ the boiling and melting points

Answer 1

greater

Question 2

the greater the intermolecular forces, the ___ heats of fusion and vaporization

Answer 2

greater

Question 3

the greater the intermolecular forces, the ___ the vapor pressure

Answer 3

lower

Question 4

the greater the intermolecular forces, the ___ the viscosity

Answer 4

greater

Question 5

laplace - the greater the radius, the ___ the tension on the surface of a blood vessel

Answer 5

greater

Question 6

aneurysms have ____ surface tension

Answer 6

reduced

Question 7

when temp increases, vapor pressure

Answer 7

increases

Question 8

the more volatile a liquid, the ___ the vapor pressure

Answer 8

greater

Question 9

the more volatile a liquid, the ___ the boiling point

Answer 9

lower

Question 10

as temp increases, vapor pressure _____, and volatility ____

Answer 10

increase increase

Question 11

iso

Answer 11

239

Question 12

halo

Answer 12

243

Question 13

des

Answer 13

669

Question 14

sevo

Answer 14

157

Question 15

normal boiling point

Answer 15

760

Question 16

as intermolecular forces decrease, vapor pressure

Answer 16

increases

Question 17

as a volume of a gas sample increases, density

Answer 17

decreases

Question 18

the greater the cross sectional area, the ___ the flow rate

Answer 18

greater

Question 19

the greater the viscosity, the ___ the flow rate

Answer 19

lower

Question 20

the greater the radius, the ___ the flow rate

Answer 20

greater

Question 21

the longer the tube, the ___ the flow rate

Answer 21

lower

Question 22

a short tube is ___

Answer 22

faster

Question 23

if an object sinks, the buoyant force is ___ than the density of the object

Answer 23

less

Question 24

if an object floats, the bouyant force is ___ than the density of the object

Answer 24

greater

Question 25

the faster a fluid flows, the ____ pressure it exerts

Answer 25

less

Question 26

if viscosity is higher, reynolds number is

Answer 26

lower

Question 27

if density is higher, reynolds number is

Answer 27

higher

Question 28

if the radius of a tube is higher, reynolds number is

Answer 28

higher

Question 29

poiseuille

Answer 29

flow rate the tube.. radius length pressure viscosity

Question 30

pascal

Answer 30

a line, capped syringe

Question 31

the greater the pressure, the ___ the flow rate

Answer 31

greater

Question 32

pressure is lower in the ___ part of a tube

Answer 32

narrow

Question 33

beroulli

Answer 33

if speed of fluid increases, the pressure exerted by the fluid decreases

Question 34

as diameter decreases, speed

Answer 34

increases

Question 35

points of an object deeper in a fluid experience a ___ force from the fluid

Answer 35

greater

Question 36

for high laminar flow rates you want the fluid to be ___, and the channel to be ___ and ___

Answer 36

thin , wide, short

Question 37

soaps and detergents have a ____ head

Answer 37

ionic (highly polar)

Question 38

soaps and detergents have a ____ tail

Answer 38

hydrophobic

Question 39

what prevents the water molecules from interacting with eachother

Answer 39

hydrophobic tail

Question 40

what allows the surfactant to interact with water

Answer 40

ionic (highly polar) head

Question 41

as cross sectional area increases, pressure __

Answer 41

decreases

Question 42

an object floating on a fluid will displace a volume of fluid that has a weight ____ to the weight of the object

Answer 42

equal

Question 43

flow rate has to do with

Answer 43

volume

Question 44

velocity has to do with

Answer 44

speed? rate of change

Question 45

venturi tube idea

Answer 45

faster at narrow portion but higher pressure at wide portion

Question 46

reynold is inversely proportional to

Answer 46

viscosity

Question 47

reynold is directly proportional to

Answer 47

density and radius