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Strength of Acids and Bases. acid. A . An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (H +1 ), in aqueous solution. The hydrogen ions are attracted to the water molecules in an aqueous solution and form _____________ ions (H 3 O +1 ).

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slide1

Strength of Acids and Bases

acid

A. An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (H+1), in aqueous solution. The hydrogen ions are attracted to the water molecules in an aqueous solution and form _____________ ions (H3O+1).

hydrogen

hydronium

slide2

Strength of Acids and Bases

base

B.An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (OH-1), in aqueous solution.

hydroxide

slide3

Strength of Acids and Bases

HCl(aq) + H2O(l) → H3O+1(aq) + Cl-1(aq)

A strong acid is one that dissociates completely in an aqueous solution. _______________ ions and ________ are formed in solution.

HCl(aq) + H2O(l) → H3O+1(aq) + Cl-1(aq)

Hydronium

anions

slide4

Strength of Acids and Bases

1. Strong acids are strong _________________.

electrolytes

slide5

Strength of Acids and Bases

2.Acid strength increases with increasing _________ and decreasing ______ energy.

polarity

bond

slide6

Strength of Acids and Bases

B. A weak acid is one that does not dissociate completely in an aqueous solution. IN aqueous solution, both the dissociation and the reverse reaction occur at the same time. _____________ ions and _________ are formed in the forward reaction but in the reverse reaction dissolved acid molecules and water are formed.

Hydronium

anions

slide7

Strength of Acids and Bases

Weak acids are poor _________________.

HCN(aq)+H2O(l) H3O+1(aq) + CN-1(aq)

electrolytes

  • →←
slide9

Strength of Acids and Bases

C. A strong base is one that dissociates completely in an aqueous solution. _______________ ions and ________ are formed in solution.

cations

Hydroxide

slide10

Strength of Acids and Bases

  • Strong bases are strong _________________.
  • NaOH(s)+H2O(l) → Na+1(aq)+(OH)-1(aq)

electrolytes

slide11

Strength of Acids and Bases

D. A weak base is one that does not dissociate completely in an aqueous solution. In aqueous solution, both the dissociation and the reverse reaction occur at the same time. _____________ ions and _________ are formed in the forward reaction but in the reverse reaction dissolved base molecules and water are formed

Hydroxide

cations

slide12

Strength of Acids and Bases

Weak bases are poor _________________.

NH3(aq)+H2O(l) (NH4)+1(aq)+(OH)-1(aq)

electrolytes

  • →←