Environmental Materials water-nitrogen

H₂O has:

• high surface tension

• high melting and boiling points

• very high heat capacity

• very high viscosity

Water is the universal ____

Water dissolves

• polar

• nonpolar (fats)

Measure of how acidic or alkaline a solution is

PH is the negative ____ of the H+ ion concentration (tenfold differences)

pH 4 is ___ times more acidic than pH 5.

Typical pH range of water

Preferred water pH for fisheries

• 6.5-8.0

• 5.0-7.5

• 7.0-8.5

• 9.0-10.0

___ becomes more toxic as pH increases and is more alkaline.

__ become more soluble with decreasing pH (more acidic)