Unit 5 Exam

Balancing Equations

100

The numbers used to balance a chemical equation.

What is coefficients?

200

The phase label for aqueous.

What is aq?

300

All reactants must be accounted for in the ____________. 

What is products?

400

Predict and balance:

KMnO₄ + ZnCl₂ ->

What is 2KMnO₄ + ZnCl₂ -> 2KCl + Zn(MnO₄)₂

500

Balance the equation:

C2H5OH(l) + O2(g) -> CO2(g) + H2O(g)

What is 1,3,2,3?

Types of Reactions

100

The template for synthesis

What is A + B -> AB

200

The template for single replacement.

What is A + BC -> AC + B

300

The products of a combustion reaction.

What is H2O, CO2, and heat/light?

400

Predict products:

PBr₃ ->

What is P + Br₂?

500

Predict products:

HBr + Fe ->

What is FeBr₃ + H₂?

Precipitation Reactions

100

The main product of precipitation reactions.

What is a solid/precipitate?

200

In virtually every case when a solid containing ions dissolves in water, the ions ______________.

What is separate and move around?

300

Is MgCl₂ soluble or insoluble?

What is soluble?

400

The equation that includes spectator ions.

What is complete ionic equation?

500

The spectator ions in the following reaction:

An aqueous solution of iron (III) chloride is mixed with an aqueous solution of lead (II) nitrate.

What is iron and nitrate?