'Ch 3 cooh aq' presentation slideshows

Chapter 16

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Aqueous Equilibria

Chapter 17 HW problems: 3, 5, 14, 15, 16, 23, 24, 27a, 28a, 31, 37, 43, 45, 51, 57. Aqueous Equilibria. The presence of a common ion suppresses the ionization of a weak acid or a weak base. CH 3 COONa ( s ) Na + ( aq ) + CH 3 COO - ( aq ). common ion.

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Chemical Equilibrium

Chemical Equilibrium. N 2 O 4 ( g ). 2NO 2 ( g ). The Equilibrium State. Chemical Equilibrium : The state reached when the concentrations of reactants and products remain constant over time. Colorless. Brown. H 2 O ( l ). H 2 O ( g ). N 2 O 4 ( g ). 2NO 2 ( g ).

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Chapter 19

Chapter 19. Acids & Bases. Properties of Acids and Bases. Acids are sour (do not taste). e.g. Lemon juice and vinegar are both aq solns of acids. Bases taste bitter. Bases have a slippery feel. (not a safe chem test). Definitions of Acid and Bases. Acids : H + donating substances

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Chemical Equilibrium

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The Concept of Equilibrium

The Concept of Equilibrium. As the reaction progresses [A] decreases to a constant, [B] increases from zero to a constant. When [A] and [B] are constant, equilibrium is achieved. equilibrium. equilibrium. equilibrium. N 2 O 4 ( g ) 2NO 2 ( g ). Start with NO 2.

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Ch 19 Reactivity of Aqueous Solution

Ch 19 Reactivity of Aqueous Solution. The common-ion effect to describe the effect on a solution of two dissolved solutes that contain the same ion. The presence of a common ion suppresses the ionization of a weak acid or a weak base. Formation of acidic precipitation.

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Chapter 13 Equilibrium

Chapter 13 Equilibrium. H 2 O ( l ). H 2 O ( g ). N 2 O 4 ( g ). 2NO 2 ( g ). Equilibrium is a state in which there are no observable changes as time goes by. Chemical equilibrium is achieved when: the rates of the forward and reverse reactions are equal and

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Chemical Equilibrium

Chemical Equilibrium. Chapter 12. H 2 O ( l ). H 2 O ( g ). N 2 O 4 ( g ). 2NO 2 ( g ). Equilibrium is a state in which there are no observable changes as time goes by. Chemical equilibrium is achieved when: the rates of the forward and reverse reactions are equal and

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Chemical Equilibrium

Chemical Equilibrium. H 2 O ( l ). H 2 O ( g ). N 2 O 4 ( g ). 2NO 2 ( g ). Equilibrium is a state in which there are no observable changes as time goes by. Chemical equilibrium is achieved when: the rates of the forward and reverse reactions are equal and

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Indicator Lab

Indicator Lab. Init: 5/25/2011 by Daniel R. Barnes. Our Samples:. H 2 O 2. H 2 SO 4 NaCl NaOH HCl NaHCO 3. NaClO NH 3 CH 3 COOH 10. CH 3 CHOHCH 3 11. C 12 H 22 O 11 12. CuSO 4. Your liquid indicator in this lab is. phenolphthalein.

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Weak Acids and Bases

Weak Acids and Bases. Mg (s) + 2HCl (aq) --> MgCl 2 (aq) + H 2 (aq) Mg (s) + 2CH 3 COOH (aq) --> Mg(CH 3 COO 2 ) 2 (aq) + H 2 (aq). Working with Weak Acids and Bases. In a solution of a weak acid, what do we have? Acid molecules Small amount of H 3 O +

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Chemical Equilibrium

Chemical Equilibrium. Chapter 15. a A + b B c C + d D. [C] c [D] d. K C =. [A] a [B] b. Equilibrium constant. Law of Mass Action. Must be caps!. Lies to the right. Lies to the left.

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Chemical Equilibrium

Chemical Equilibrium. Chapter 15. Chemical Equilibrium. A state of balance. dynamic. static. Chemical Equilibrium. A state of balance. Static- two sides pulling with equal force results in an object at rest.

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Chemistry 1011

Chemistry 1011. TOPIC Acids and Bases TEXT REFERENCE Masterton and Hurley Chapter 4.2 (Review), 13, 14.1, 15.1 (page 427), 21.2 (page589). 13.4 Weak Acids and Their Ionization Constants. YOU ARE EXPECTED TO BE ABLE TO:

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????? ?????? ??????? ???????? ??????? ???? ???? ???????

????? ??????. ??????? ???????. ????? ?????? ??????? ???????? ??????? ???? ???? ???????. The presence of a common ion suppresses the ionization of a weak acid or a weak base. CH 3 COONa ( s ) Na + ( aq ) + CH 3 COO - ( aq ). common ion.

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Acids and Bases

Acids and Bases. Properties of Acids. Have a sour taste Changes colors of substances called indicators Aqueous Solutions are electrolytes (conduct electricity) React with metals: Zn + 2 HCl ? ZnCl 2 + H 2 Reacts with carbonates: 2HCl + Na 2 CO 3 ? 2NaCl + H 2 O + CO 2

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Acids and Bases

Acids and Bases. Properties of Acids. Have a sour taste Changes colors of substances called indicators Aqueous Solutions are electrolytes (conduct electricity) React with metals: Zn + 2 HCl ? ZnCl 2 + H 2 Reacts with carbonates: 2HCl + Na 2 CO 3 ? 2NaCl + H 2 O + CO 2

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CHEM100_11

Lecture #33. Chapter 17. Buffers. CHEM100_11. This week: Labs. Reports should be completed in the lab. Bring calculators and rulers. Class average 63%. Dr. Orlova PS-3026 Ph: 867-5237 gorlova@stfx.ca. Student Chemical Society Tutorials:

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10.5 Equilibria in Salt Solutions

10.5 Equilibria in Salt Solutions. LO: I understand how the pH of a salt solution comes about. weak. Sodium ethanoate is the salt of a acid and a base. strong. Sodium ethanoate completely splits into when dissolved in water:. ions. The pH of sodium ethanoate is. CH 3 COO - Na + (s).

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