Properties of Water & PH

Question 1

polarity

Answer 1

a molecule with positive and negative charged regions (ex. magnet)

Question 2

cohesion

Answer 2

two alike molecules sticking together

Question 3

adhesion

Answer 3

two unalike molecules sticking together

Question 4

capillary action

Answer 4

the ability water has to flow upward against the flow of gravity due to cohesion and adhesion

Question 5

surface tension

Answer 5

a measure of the force necessary to stretch or break the surface of a liquid

Question 6

heat capacity/specific heat

Answer 6

amount of heat that must be absorbed or lost before it actually changes temperature

Question 7

hydrogen bond

Answer 7

weak bond formed by hydrogen

Question 8

heat of vaporization

Answer 8

the cooling of a surface occurs when the liquid evaporates

Question 9

density

Answer 9

measure of how compact the atoms or molecules within a substance, or how much mass there is in a given space

Question 10

universal solvent

Answer 10

solvent- liquid that dissolves a particle
solute- gets dissolved in the solute

Question 11

ph of 7 is

Answer 11

neutral

Question 12

ph of less than 7

Answer 12

acidic, 0-3 are more stronger ones

Question 13

ph greater than 7

Answer 13

basic, strong ones are 11-14

Question 14

acids produce what ions in a solution?

Answer 14

H+

Question 15

bases produce what ions in a solution

Answer 15

OH-