1.9.1 CASTING DEFECTS Any unwanted deviation from the desired requirements in a cast product results in a defect. Some defects in the cast products are tolerable while others…

Slide 1ACID AND BASE By Dr. Taing N. You 2009 ~2010 Slide 2 Water Water behave both like acid and base The dissociation of water is the most fundamental of acid- base reaction…

Slide 1Pre-AP Biology Water Properties (2.2) Part 1 Slide 2 Earth 2/3rds covered by water Slide 3 Organisms are mostly water Slide 4 Polar covalent bonding of water molecule…

Slide 1 Slide 2 ? Water =Life Water =Life Slide 3 Why water is so FREAKIN cool: 1. Its Polarity gives potential. 1. Its Polarity gives potential. 2. Cohesion/Adhesion/Surface…

Slide 11 CHAPTER 2 Slide 2 2 Slide 3 3 ELEMENTS: Periodic Table ____ total elements : ____ natural and ____ man-made Slide 4 4 Slide 5 5 ORGANIZATION OF PERIODIC TABLE Slide…

Slide 1Acid-Base Equilibria: Acids and Bases What makes an Acid an Acid? An acid possess a sour taste An acid dissolves active metals magnesium An acid causes certain vegetable…

Slide 1Alkalinity of water Def: It is due to the presence of those types of substances in water which have tendency to increase the concentration of OH - ions either by hydrolysis…

Slide 11 Chapter 6 Chemical Equilibrium Slide 2 2 Spontaneous Chemical Reactions The Gibbs Energy Minimum Consider the simple equilibrium reaction: A B The equilibrium concentrations…

Slide 1Solution properties pH pH Acid Acid Base Base Ionization of water Ionization of water pH scale pH scale significance significance pKa pKa Weak acid, base Weak acid,…

Slide 1 Slide 2 Pg 164-165 Slide 3 pH Reminder: Water is held together by ___________________ bonds. These are relatively __________ bonds. These bonds are constantly _________…