Water

Question 0

Hydrolysis/Catabolic

Answer 0

Disrupts/breaks a bond

Digestion in mouth

Question 1

Dehydration synthesis/Anabolic

Answer 1

Joins molecules

Glucose➡Sucrose

Question 2

Exchange

Answer 2

Double replacement

Question 3

High Surface Tension

Answer 3

Allows things to float

Question 4

Capillary Action

Answer 4

Movement of water up a porous surface (plants)

Question 5

Imbition

Answer 5

Movement of water into wood or seeds

Question 6

Heat capacity

Answer 6

The resistance to temp. change

H.C. of water = 1

Question 7

High Vaporization Point

Answer 7

Having cells made of water, in high water doesn’t change easily.

Question 8

Freezing Expands the Solid

Answer 8

Water expands due to the stability of hydrogen bonds

Question 9

Amphoteric/Amphiprotic

Answer 9

Water can act as an acid or a base aka as a “buffer”

Moderates pH

Question 10

Ability as a Solvent

Answer 10

Water dissolves ionics, polar covalents, and acids and bases.

Question 11

Acids

Answer 11

H+ donors (hydronium ions)

Question 12

Bases

Answer 12

OH- donors (hydroxide ions)

Question 13

pH rule

Answer 13

pH=4 so [H+]= 1 x 10^-4 (.0001)

Question 14

Buffer

Answer 14

Moderates pH (water)

Question 15

Carbonic Acid Buffer System

1) What does it do?
2) Equation

Answer 15

1) Regulates breathing, CO2 + H2O in blood plasma➡ H2CO3 = no good
2) H+ + HCO3-

Question 16

Chemoreceptors

Answer 16

In neck (carotids) monitor plasma pH

Question 17

Osmosis

Answer 17

The movement of water through:

• a membrane
• down a gradient
• until equilibrium reached
• MUST HAVE WATER POTENTIAL*

Question 18

Osmotic Potential

Answer 18

The potential to gain water

“Water moves from low osmotic potential into higher osmotic potential”

Question 19

Osmotic Pressure

Answer 19

AKA “water pressure”

“Water moves from high osmotic pressure into low osmotic pressure

Question 20

Low osmotic pressure = ?

Answer 20

High osmotic potential

Question 21

High osmotic pressure = ?

Answer 21

Low osmotic potential