Chapter 3 Water Flashcards
describe the characteristics of water
polar, 2 hydrogen and 1 oxygen, partial positive hydrogen, partial negative oxygen
the 4 emergent properties of water
solvent, cohesive, moderates temperature, expands when frozen
properties of cohesion
when water molecules are forming a lot of hydrogen bonds
properties of adhesion
the water will adhere to surfaces
properties of surface tension
surface of the liquid is bonded tightly and takes strong force to break
results of high specific heat of water
stabilizes temperature
Explain; insulation of ice
when water is frozen it becomes less dense, floating to the top and insulating the water beneath it
Why is water fundamental on earth
its the universal solvent
what makes water a powerful solvent
its polarity and its ability to form hydrogen bonds
what is a hydration shell
sphere of water molecules around the dissolved ion
what is hydrophilic
molecule that has an affinity to water
ex. cotton
what is hydrophobic
repels water
ex, vegetable oil
what makes a solution acidic
High amount of H+
what makes a solution basic
high amount of OH-
how does the pH scale measure
0-14 scale
