Slide 1Acids & Bases Slide 2 Key Characteristics of Acids & Bases Acids Taste sour Reacts with alkali metals (forms H2 gas) Litmus paper: RedNeutralizes Bases Bases…

Slide 1 9.6 Nitrogen and Sulphur Learning outcomes: Candidates should be able to: (a)Explain the lack of reactivity of nitrogen (b)Describe: (i)The formation and structure…

Slide 1 ACIDS & BASES How does pH value affect our environment? Slide 2 Recall Questions What is an acid? What is a base/alkali? A substance which produces hydrogen ions…

Slide 1 Chapter 19 Slide 2  All aqueous solutions contain hydrogen ions (H + ) and hydroxide (OH - ) ions.  An acidic solution contains more H + ions than OH -. …

Slide 11 - SCH3U1 - Acids and Bases Sections 10.1 Slide 2 2 Learning Goals 1.What is Arrhenius's definition of an acid? A base? 2.What is the Brønsted-Lowry definition…

Slide 11 Acids and Bases - the Three Definitions 1. The Arrhenius Definition of an Acid 2. Acid strength and pK a 3. K a, pK a, pK b 4. polyprotic acids, pK a1, pK a2, pK…

Slide 1 CHEMICAL EQUILIBRIUM Chapter 16 ALL BOLD NUMBERED PROBLEMS Slide 2 2 Properties of an Equilibrium Equilibrium systems are DYNAMIC (in constant motion) & REVERSIBLEDYNAMIC…

Slide 1 Regents Review Slide 2 1. According to the Arrhenius theory, an acid is a substance that: A) Changes litmus from red to blue B) Changes phenolphthalein from colorless…

Slide 1 pH = - log [H 3 O + ] [H 3 O + ] = 10 - pH mol/L For pure water at 25 o C pH = - log (1.0 x 10 -7 ) = 7.00 For a change in pH by 1, H 3 O + concentration changes…

Slide 1 Chapter 17 ACID-BASE EQUILIBRIA (Part I) 1Dr. Al-Saadi Slide 2 The Common Ion Effect  A phenomenon known as the common ion effect states that: When a compound…