u nit 2 s ec 2.2 properties of water. a. p olarity 1.water = h 2 o 2.oxygen and hydrogen bonded by:...
TRANSCRIPT
![Page 1: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/1.jpg)
UNIT 2SEC 2.2Properties of Water
![Page 2: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/2.jpg)
A. POLARITY1. Water = H2O
2. Oxygen and hydrogen bonded by: 3. Polar Molecule: electrons are not shared equally 4. Water = universal solvent ionic compounds
1. When ionic compounds are dissolved in water, _________________________.
![Page 3: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/3.jpg)
![Page 4: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/4.jpg)
POLARITY OF WATER
![Page 5: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/5.jpg)
B. HYDROGEN BONDING
1. Hydrogen Bond- bond between a hydrogen & oxygen of 2 water molecules
a) bond btwn water molecules
b) Weakest of the three chemical bond
![Page 6: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/6.jpg)
C. COHESION AND ADHESION1. Cohesion: attractive force btwn particles of
same kind2. Adhesion: attractive force btwn 2 unlike
substance3. Capillarity: movement of water upward against
force of gravitya) Capillarity =
![Page 7: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/7.jpg)
WATER HAS POLAR BONDING
![Page 8: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/8.jpg)
YOUR BODY IS 75 PERCENT WATER!
Animals lose water by Animals gain water byUrinating -DrinkingSweating -Eating FoodBreathing
![Page 9: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/9.jpg)
ESSENTIAL USES OF WATER IN ANIMALS
CoolingChemical reactions
Transport food & waste
Makes up most of body fluids
![Page 10: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/10.jpg)
PLANTS DEPEND ON WATER.Plants use water
forPhotosynthesisChemical reactionsTransportation
Plants absorb waterthrough their roots
![Page 11: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/11.jpg)
E. DESCRIBING SOLUTIONS
A. Solutions: mixture where substances are distributed evenly
1. Solute2. Solvent3. Aqueous solution:
![Page 12: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/12.jpg)
F. ACIDS AND BASES
A. Dissociation of water1. Dissociation: breaking water into a positive &
negative charge particle2. Acids:
1. Solution containing more hydronium ions (H+)
![Page 13: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/13.jpg)
F. ACIDS AND BASES
3. Bases:1. Solution containing more hydroxide ions (OH-)
4. pH scale: measures how base or acidic
![Page 14: U NIT 2 S EC 2.2 Properties of Water. A. P OLARITY 1.Water = H 2 O 2.Oxygen and hydrogen bonded by: 3.Polar Molecule: electrons are not shared equally](https://reader035.vdocuments.mx/reader035/viewer/2022081603/5697bfc71a28abf838ca7e87/html5/thumbnails/14.jpg)
An acid produces H+
A base absorbs H+