The Unique Properties of Water

Question 1

water molecules

Answer 1

two hydrogen atoms form covalent bonds with an oxygen

Question 2

polar molecule with opposite ends of the molecule with opposite charges

Answer 2

water

Question 3

how many hydrogen bonds can each water molecule form?

Answer 3

four

Question 4

hybrogen bonds give water ___ (less or more) structure than other liquids

Answer 4

more

Question 5

water’s attraction to other water molecules

Answer 5

Cohesion

Question 6

water’s attraction to other objects

Answer 6

Adhesion

Question 7

the tightness across the surface of water caused by the attraction of water molecules

Answer 7

Surface tension

Question 8

water has a _____(greater or less) surface tension than most liquids because of _____ ______

Answer 8

greater, hydrogen bonds

Question 9

water’s ability to creep up thin tubes

Answer 9

capillary action

Question 10

water molecules are “dragged” from the roots to the top of the tree by ___ ____ and ___

Answer 10

capillary action, cohesion

Question 11

how much heat is needed to raise the temperature of water

Answer 11

Specific Heat

Question 12

Water has a ____ (high or low) specific heat

Answer 12

high

Question 13

cells exist in a ______ environment making high the specific heat of water important.

Answer 13

watery

Question 14

a mixture of 2 things which mix together evenly

Answer 14

Solution

Question 15

water part of solution

Answer 15

Solvent

Question 16

what your dissolving

Answer 16

Solute

Question 17

can dissolve in water

Answer 17

Soluble

Question 18

cannot dissolve in water

Answer 18

insoluble

Question 19

can hydrophilic dissolve in water?

Answer 19

yes

Question 20

can hydrophobic dissolve in water?

Answer 20

no

Question 21

can non polar disolve in water?

Answer 21

no

Question 22

_______ and ________ allow water to transport molecules dissolved in it

Answer 22

cohesion, soluability

Question 23

what is the density formula?

Answer 23

D=M/V

Question 24

Ice forms on the surface first the freezing of the water releases ____ to the water

Answer 24

heat