do now #23: single and double replacement

What is a double replacement?

• Two compounds react to form two new compounds.

• One compound reacts to form two separate elements.

• Two elements reacting to form a single compound.

• Two compounds react to form one new compound.

What is the generic equation for a double replacement reaction? 

• AB + CD ---> AD + CB

• AB + CD ---> DA + CB

• AB + CD ---> A + BC

• AB + CD ---> D + CBA

What type of reaction occurs between an element and a compound?
Zn + 2HCl --> ZnCl₂ + H₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Predict the products:  Na + KCl -->

• K and NaCl

• KNa and Cl

• NaKCl

• No reaction

To predict if a single replacement reaction will take place you should use a(n)

• Activity series

• Solubility Chart

• Periodic Table

• Metal chart

For the single element to replace an element in a compound it must be ____it on the activity series

• above 

• below

• next to

The symbol for a substance dissolved in water is

• (s)

• (l)

• (g)

• (aq)

What type of reaction occurs between an element and a compound?
Zn + 2HCl --> ZnCl₂ + H₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

What are the products for the reaction between F₂ + KCl -->

• FCl + K

• KF + Cl₂

• KF + Cl

• no reaction

What are the products when Na₂O and H₂O react

• NaOH

• NaO + HO

• H₂O + NaO₂

• Na₂OH₂O