5.4 Flashcards
Cohesion
bond between two water molecules
Adhesion
bond between water and another substance
Solvents dissolve… to create…
solutes/solutions
Ice is … ….. than water.
less dense
High specific heating
The energy it takes to heat 1 g of a substance by 1 degree C.
Heat of Vaporization
the amount of energy it take 1 g of water to evaporate to become water vapor.
how are hydroxide ions and hydronium ions created?
Bonding of two water molecules where one loses hydrogen while the other one gains hydrogen.
Neutral
hydroxide = hydronium
Acidic
hydroxide < hydronium
Basic
hydroxide > hydronium
pH
potential Hydrogen
pOH
14-pH=
pH of water
7
pH of battery acid (hint 1x10^-1)
1
Hand soap H3O (hint 10)
1x10^-10
Which is acid water or battery acid
battery acid.
Why Cohesion and Adhesion?
Move water up a tree’s stem.
Why is water a solvent of life?
Dissolve for easy transportation of energy.
Why is Ice less dense?
Control the temperature.
Why heat and vaporation?
Evaporating cool for the body.
