Unit 6 Review

Reaction Action

100

Classify the following reaction:

2Mg(s) + O₂(g) -> 2MgO(s)

What is a Synthesis reaction

200

Classify the following reaction:

2H₂O₂ (aq) ->2H₂O(l) + O₂(g)

What is a Decomposition reaction?

300

Classify the following reaction:

Mg(s) + 2HCl(aq) -> MgCl₂(aq) + H₂(g)

What is a single replacement reaction

400

Classify the following reaction:

BaCl₂(aq) + Na₂SO₄(aq) -> BaSO₄(s) + 2NaCl(aq)

What is a Double-Replacement Reaction

500

Classify the reaction where C₄H₁₀ reacts with Oxygen to release energy.

What is Combustion

Balancing Act

100

Matter cannot be created or destroyed, only changed. 

What is the Law of Conservation of Mass

200

When balancing an equation, you may change the coefficients, but you must never change these numbers.

What is subscripts

300

Balance the following synthesis reaction:

N₂ + H₂ -> NH₃

What is:

N₂ + 3H₂ -> 2NH₃

400

Balance the following reaction:

Al + Br₂ -> AlBr₃

What is 

2Al + 3Br₂ -> 2AlBr₃

500

Balance an equation of a combustion reaction of C₄H₁₀

What is 

2C₄H₁₀ + 13O₂ -> 8CO₂ + 5H₂O

Crystal Ball

100

In a chemical equation, the symbol (aq) means this.

Aqueous: Dissolved in Water

200

What is the products of Combustion?

What is Carbon Dioxide and Water

300

Predict the products for this single replacement reaction: 

Zn + 2HCl ->

What is Zinc Chloride and Hydrogen Gas

400

Predict the products of a reaction between silver nitrate and sodium chloride

What is silver chloride and sodium nitrate

500

Predict the products from iron sulfate and ammonium permanganate

What is iron permanganate and ammonium sulfate

Assigning Numbers

100

This is the oxidation number of any uncombined element

What is zero

200

This is the oxidation number of Hydrogen in most compounds,

What is +1

300

Determine the oxidation number of Carbon in Methane (CH₄)

What is -4

400

Determine the oxidation number of Nitrogen in the Nitrate ion (NO₃^-)

What is +5

500

Determine the oxidation number of Chromium in the Chromate ion (CrO₄^2-)

What is +6

Redox RUmble

100

If an atom loses electrons during a reaction, it undergoes this process

What is Oxidation?

200

In the reaction Cu⁺² + 2e^- ->Cu, Copper is undergoing this process.

What is Reduction

300

In the reaction Na + Cl₂ -> 2NaCl, identify the element that is Reduced

What is Chlorine

400

Identify the Oxidizing Agent in this reaction:

Fe₂O₃ + 3CO -> 2Fe + 3CO₂

 

What is Fe₂O₃ 

500

Write the correct Oxidation half-reaction for: 

Zn + Cu⁺² ->Zn⁺² + Cu

What is Zn -> Zn⁺² + 2e^-