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Water and the solution process

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Presentation on theme: "Water and the solution process"— Presentation transcript:

1 Water and the solution process
A. A water molecule consists of two atoms of __________ and one atom of _______ united by _____________ bonds. hydrogen oxygen polar covalent

2 Water and the solution process
1. The _____ nature of the water molecule allows for ________ bonding between water molecules which contributes to some of water’s unique properties. polar hydrogen

3 Water and the solution process
a. _______ ______ is the inward force or pull that tends to minimize the _______ ____ of a liquid. Water has a relatively ____ surface tension. Surface tension surface area high

4 Water and the solution process
b. Water has a relatively _____ boiling point due to the extensive ________ bonding that occurs between water molecules. high hydrogen

5 Water and the solution process

6 Water and the solution process
c. Hydrogen bonding holds water molecules in a ________ arrangement in the solid form. This allows the solid form of water to occupy a greater volume and therefore smaller ______. hexagonal density

7 Water and the solution process
aqueous A. An ________ solution is water that contains ________ substances. dissolved

8 Water and the solution process
B. The solution process depends on the _____ of attraction between the _____, the thing getting dissolved, and the _______, the thing doing the dissolving. force solute solvent

9 +Dissoc iation- ionic ions separate dissociation
H O δ- δ+ +Dissoc iation- H O δ- δ+ ionic A. When an _____ compound made of ____ dissolves in water, the ions ________ from one another. This is called ___________ and is the result of the strong attraction between the ions and the polar water molecules ions separate dissociation

10 +Dissoc iation- electricity
H O δ- δ+ +Dissoc iation- H O δ- δ+ 1. The result is a solution with free moving charged particles able to conduct __________. electricity

11 +Dissoc iation- ions ratio formula
H O δ- δ+ +Dissoc iation- H O δ- δ+ ions 2. The number of ____ produced in solution depends upon the _____ in the original ________. ratio formula

12 +Dissoc iation- covalent intact
H O δ- δ+ +Dissoc iation- H O δ- δ+ covalent B. Most _________ compounds (except acids), dissolve in water as _______ molecules. intact

13 +Dissoc iation- ions electrolyte
H O δ- δ+ +Dissoc iation- H O δ- δ+ A. A solution that dissolves in water to give a solution of ____ does conduct electric current and is called an __________ ions electrolyte

14 H O δ- δ+ +Dissoc iation- H O δ- δ+ ionic 1. Typically, _____ compounds will conduct electrical current when dissolved in water.

15 +Dissoc iation- acids 2. Strong _____ also are good electrolytes H O
δ- δ+ +Dissoc iation- H O δ- δ+ acids 2. Strong _____ also are good electrolytes

16 +Dissoc iation- molecules nonelectrolyte
H O δ- δ+ +Dissoc iation- H O δ- δ+ B. A solute that dissolves in water to give a solution of _________ does not conduct electric current and is called a ______________. molecules nonelectrolyte

17 +Dissoc iation- molecular
H O δ- δ+ +Dissoc iation- H O δ- δ+ molecular 1. Typically, _________ compounds will NOT conduct electrical current when dissolved in water.

18 +Dissoc iation- molecules ions weak
H O δ- δ+ +Dissoc iation- H O δ- δ+ C. A solute that dissolves mostly as _________ but partially as ____ does (although not as well) conduct electric current is called a _____ electrolyte molecules ions weak

19 H O δ- δ+ +Dissoc iation- H O δ- δ+ acids 1. Typically , weak _____ are generally weak electrolytes


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