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Properties of Water - Honors Biology
Water molecules stick to each other as a result of hydrogen bonds
Water molecules stick to other substances (ex: water up a plant)
Measure of how difficult it is to stretch or break the surface of a liquid
absorbs heat from air and releases itt to where it's cooler
high specific heat
heat must be absorbed to break hydrogen bonds, and heat is released when hydrogen bonds form
molecules move fast enough to overcome the attractions between them can depart the liquid and enter the air as gas
expands when frozen
water expands because of hydrogen bonding hydrogen bonds keep the molecules at "arms length"
a liquid that is a mixture of hydrogen bonding
"water loving" - a substance that has an affinity for water
"water fearing" - a substance that does not have an affinity for water
higher concentration of H+/ have pH less than 7
higher concentration of oH-/have pH more than 7
internal pH of most living cells cells/close to 7/minimize changes in pH
the dissolving agent
the substance that is dissolved
electrons are transferred from one atom to another-STRONG
electrons are shared among atoms-STRONG
weak bonds formed between molecules that have weak partial charges
partial negative with hydrogen/ opposite charges opposite elements