Lesson 3: Water Flashcards
1
Q
makes up large proportion of entire biosphere
A
water
2
Q
the human body consists of %?
A
50-75% OF WATER
3
Q
water molecules are also attracted to other polar molecules and to ions
A
water as a solvent
4
Q
hydrophilic, hydrophobic means?
A
hydro = water
philic = loving
_ hydrophobic = fearing
5
Q
attraction of other molecule of the same kind, water stick to each other. due to the hydrogen bonds among the molecules
A
cohesion
6
Q
attraction of other molecules of the diff kind
A
adhesion
7
Q
the mass per unit volume of a substance
A
density
8
Q
the amount of heat needed to raise the temperature of one gram of a substance by one degree celsius
A
specific heat capacity
9
Q
the amount of energy needed to change one gram of a liquid substance to a gas at constant temperature
A
heat of vaporization
