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Chapter 15 Acids and Bases

Chapter 15 Acids and Bases

Chapter 15 Acids and Bases. Acids and Bases Review. conjugate base. conjugate acid. Bronsted Acid = proton donor. strong acid: HCl + H 2 O ? H 3 O + + Cl -. weak acid: HCN + H 2 O ? H 3 O + + CN -. Bronsted Base = proton acceptor.

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570 views • 30 slides
Solubility Equilibrium

Solubility Equilibrium

Solubility Equilibrium. Chapter 7. The Solubility Equilibrium. Remember from SPH3U: Solubility is the amount of solute that dissolves in a given amount of solvent (usually water) at a particular temperature. Measured in g/100 mL or mol/L (molar concentration)

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793 views • 30 slides
Repeats, Pseudogenes etc.

Repeats, Pseudogenes etc.

Repeats, Pseudogenes etc. Lecture 11/4. Paper : Wexler et al. Finding Approximate Tandem Repeats in Genomic Sequences Recomb 2004. Goal. Find approximate tandem repeat (ATR) A string of bases repeated consecutively at least twice with small differences between instances. ATR hunter.

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491 views • 29 slides
Acids ph buffers A2 chemistry

Acids ph buffers A2 chemistry

Acids ph buffers A2 chemistry. Using the post it notes write down the name of the species and whether each species round the room is an acid, base or alkali. H 3 O +. pka = -1.7 . H 2 O. pka = 15.7. HI. pka = -10. NH 4 +. pka = 9.2. Al 2 O 3. Na 2 O. SO 2. Ammonia. pka = 36 .

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402 views • 25 slides
Chemical Equilibrium

Chemical Equilibrium

Chemical Equilibrium. Chapter 13 Introduction. Intro:. Many chemical reactions go to completion (where all reactants are consumed to form product) This unit deals with reactions that do not completely convert all reactants to products. Chemical Equilibrium.

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420 views • 23 slides
Structure Analysis II

Structure Analysis II

Structure Analysis II. Analysis of statically Indeterminate structures by the Force Method Part 1. Review Conjugate beam method. Conjugate-Beam Supports. Review Example 1. Find the deflection at Point B. Review Example 2. Find the deflection at Point C. Determinacy & Stability.

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732 views • 22 slides
Solving Equilibrium Problems Using Tableaux

Solving Equilibrium Problems Using Tableaux

Solving Equilibrium Problems Using Tableaux. Aquatic Chemistry CEE-367. Find the pH of a solution of HAc? HAc = Acetic or Ethanoic Acid CH 3 -COOH!. Recipe: [H 2 O] T = 55.4 M [HAc] T = 10 -3 M Reactions ( N rxn = 2) H 2 O = H + + OH - K w HAc = H + + Ac - K a

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592 views • 11 slides
Acid Base Review

Acid Base Review

Acid Base Review. 2H 2 O ? H 3 O + + OH -. K w = 1 x 10 -14 (at 25 ?C) = [H 3 O + ][OH - ]. pH = - log [H 3 O + ]. pOH = - log [OH - ]. pH + pOH = 14. K a = [H 3 O + ][A - ] [HA]. Weak Monoprotic acids. Generic: HA + H 2 O ? H 3 O + + A -.

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316 views • 9 slides

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