CCBAB Compound ABCompound CD AD Compound ADCompound CB D ++ Magnesium Chloride MgCl 2 Calcium Hydroxide Ca(OH) 2 Magnesium Hydroxide Mg(OH) 2 Calcium Chloride.

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Presentation transcript:

CCBAB Compound ABCompound CD AD Compound ADCompound CB D ++ Magnesium Chloride MgCl 2 Calcium Hydroxide Ca(OH) 2 Magnesium Hydroxide Mg(OH) 2 Calcium Chloride CaCl 2 AB Compound AB C Compound CD D Involves the exchange of partners in the reaction

The reaction involves two ionic compounds as reactants. As the equation above shows, the ions “change partners” to form the products. This type of reaction commonly occurs in aqueous solutions.

We can take advantage of the individual solubilities of different substances in water. – If the product of a reaction is very soluble, it will stay in solution (aq). – If the product is only slightly soluble, (insoluble), it is likely that more will be produced than can dissolve

There are three types of double displacement reactions: 1)Precipitation Reaction 2)Reactions Producing a Gas 3)Neutralization Reactions

Write a balanced equation to represent the reaction of an aqueous solution of barium chloride with an aqueous solution of ammonium sulfate. Indicate the physical state of the reactants and products involved.

Write a balanced equation to represent the reaction of hydrochloric acid and sodium sulfide.

Special type of double displacement reaction Three types:

With a hydroxide compound General equation: Acid + Base --> Salt + Water Ex: HCl (aq) + NaOH (aq) --> NaCl (aq) + H 2 O (l)

Write the balanced chemical equation for the neutralization reaction of sodium hydroxide with hydrochloric acid

With a carbonate compound General Equation Acid + carbonate compound --> water + carbon dioxide + ionic compound H 2 SO 4(aq) + CaCO 3(s) --> H 2 O (l) + CO 2(g) + CaSO 4 (s)

Write the balanced chemical equation for the neutralization reaction of sodium carbonate with hydrochloric acid

With a sulphite compound General Equation Acid + sulphite compound --> water + sulphur dioxide + ionic compound 2H 3 PO 4(aq) + 3CaSO 3(s) --> 3H 2 O (l) + 3SO 2(g) + Ca 3 (PO 4 ) 2 (s)

Write the balanced chemical equation for the neutralization reaction of sodium sulphite with hydrochloric acid

Homework: Read pp. 205 – 210 Answer p. 211 # 1 - 2