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Electrochemistry

Electrochemistry

Electrochemistry. Chapter 3. 2Mg ( s ) + O 2 ( g ) 2MgO ( s ). 2Mg 2Mg 2+ + 4e -. O 2 + 4e - 2O 2-. Electrochemical processes are oxidation-reduction reactions in which: the energy released by a spontaneous reaction is converted to electricity or

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527 views • 44 slides
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??? ????????. ???????????. ???????? HP ???????? http://www.ioa.s.u-tokyo.ac.jp/kisohp/STAFF/nakada/intro-j.html. ????????. ????????? Eddington Approximation. ????????. ???????????????????????????????????????? ??????????????????? ? ??????????? / ??? ? ?? ?.

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720 views • 32 slides
Acetate

Acetate

Acetate. C 2 H 3 O 2 -. Ammonium. NH 4 +. Arsenate. AsO 4 - 3. Borate. BO 3 - 3. Bromate. BrO 3 -. Carbonate. CO 3 - 2. Chlorate. ClO 3 -. Chlorite. ClO 2 -. Chromate. CrO 4 - 2. Cyanide. CN -. DiChromate. Cr 2 O 7 - 2. DiHydrogen Phosphate. H 2 PO 4 -.

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Unit 3 Redox

Unit 3 Redox

Unit 3 Redox. Go to question. 1. 2. 3. 4. 5. 6. 7. 8. 1. Cr 2 O 7 2- (aq) + 14H + + 6e. 2Cr 3+ (aq) + 7H 2 O (l). I 2 (aq) + 2e - 2I - (aq). How many moles of I 2 are reduced by 1 mole of Cr 2 O 7 2- ions?. a. 4. b. 3. c. 2. d. 1. a hint!!!!. 1 st hint

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Chapter 9 Dissolution and Precipitation Equilibria

Chapter 9 Dissolution and Precipitation Equilibria

Chapter 9 Dissolution and Precipitation Equilibria. 9-1 The Nature of Solubility Equilibria 9-2 The Solubility of Ionic Solids 9-3 Precipitation and the Solubility Product 9-4 The Effects of pH on Solubility 9-5 Complex Ions and Solubility 9-6 Controlling Solubility in Qualitative Analysis.

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Q = reaction quotient Q = K eq only at equilibrium

Q = reaction quotient Q = K eq only at equilibrium

Q = reaction quotient Q = K eq only at equilibrium If Q<K eq then the forward reaction is favored If Q>K eq then the reverse reaction is favored If K eq >1, the reaction is considered spontaneous. K p. Equilibrium constant when reactants and products are gases.

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Iodine Clock Reaction

Iodine Clock Reaction

Iodine Clock Reaction. or How Long Does a Reaction Take?. Three Mysteries:. 1. How can the reaction between two molecules (that appear too small and move too fast) be explored? 2. How does concentration affect the rate of a reaction? 3. How can the reaction:

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961 views • 14 slides
Iodine Clock Reaction

Iodine Clock Reaction

Iodine Clock Reaction. or How Long Does a Reaction Take?. Three Mysteries:. 1. How can the reaction between two molecules (that appear too small and move too fast) be explored? 2. How does concentration affect the rate of a reaction? 3. How can the reaction:

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1.15k views • 13 slides
Acids Lesson 4 Acid and Base Definitions

Acids Lesson 4 Acid and Base Definitions

Acids Lesson 4 Acid and Base Definitions. Acid and Base Definitions Bronsted Arrhenius Acid Base Acid Base proton donor proton acceptor ionizes to H + ionizes to OH - Strong means completely . Weak means partially. Definitions 1. Strong Arrhenius Acid-.

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Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences Moscow, Russia

Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences Moscow, Russia

NEW COMPOSITE MATERIALS FOR DECREASING OF RADIOACTIVE MOLECULAR IODINE IN THE WATER COOLANT ON THE WORKING AND NEW DEVELOPED NPPs. Prof. Sergey A. Kulyukhin Dr. Lubov' V. Mizina Eng. Anna A. Tishina. Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences

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267 views • 9 slides
Rates of Chemical Reactions

Rates of Chemical Reactions

Experiment 25. Rates of Chemical Reactions. 5 HSO 3 ? + 2 IO 3 ? ? I 2 + 5 SO 4 2? + H 2 O + 3 H +. r = k [HSO 3 ? ] m [IO 3 ? ] n. GOAL. Find n by method of initial rates.

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Lesson 4 Calculating Solubility

Lesson 4 Calculating Solubility

Lesson 4 Calculating Solubility. Calculate the solubility @ 25 o C for BaCrO 4 in units of g/L. BaCrO 4(s) ? Ba 2+ + CrO 4 2-. s s s. Ksp = [Ba 2+ ][CrO 4 2- ]. Ksp = s 2. from page 5. 1.2 x 10 -10 = s 2. s = 1.1 x 10 -5 M. note that solubility units are M!.

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Lesson 4 Calculating Solubility

Lesson 4 Calculating Solubility

Lesson 4 Calculating Solubility. Calculate the solubility @ 25 o C for BaCrO 4 in units of g/L. BaCrO 4(s) ? Ba 2+ + CrO 4 2-. s s s. Ksp = [Ba 2+ ][CrO 4 2- ]. Ksp = s 2. from page 5. 1.2 x 10 -10 = s 2. s = 1.1 x 10 -5 M. note that solubility units are M!.

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90 views • 8 slides
One product!

One product!

One product!. IO 3 - + I - + Cl -. ICl 2 -. 1-. 5+. 1+. IO 3 - + I - + Cl -. ICl 2 -. reduction. oxidation. IO 3 -. ICl 2 -. IO 3 - + I - + Cl -. ICl 2 -. 4 e - +. 6 H + +. 2 Cl - +. + 3 H 2 O. (6)(1+). + (2)(1-). + (1)(1-). (1)(1-). + (3)(0). = 3+. = 1-.

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331 views • 7 slides

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