Chemistry - Ch. 10

Terminology

100

What type of equation shows only the ions that take part in the reaction?

Net ionic equation

200

What would denote that a substanc is aqueous?

(aq) 

300

What are spectator ions?

Ions that are present in the equation but do not participate in the reaction.

400

What are the differences between reactants and products

Reactants - the substances that take part in a chemical reaction

Products - the substances that are produced by a reaction

500

Give four evidences of a chemical reaction

A change in energy

Production of a gas

Formation of a precipitate

Color change

Stop Reacting

100

Which reaction involves a more reactive element replacing a less reactive element in a compound?

Single-replacement reaction

200

What type of reaction is "TiCl₄ + 4Na → Ti + 4NaCl"?

Single-replacement reaction

300

What does the symbol in "" mean?

Indicates that heat must be supplied to reactants for the reaction to occur.

400

What type of reaction is "CH₄ + 2O₂ → CO₂ + 2H₂O"

Combustion

500

Write a balanced equation for the following reaction:

"Chlorine gas and aqueous sodium bromide react to form aqueous sodium chloride and bromine gas"

Cl₂ (g) + 2NaBr (aq) → 2NaCl (aq) + Br₂ (g)

Equations

100

Which reaction involves two components from two compounds switching places?

Double-replacement reaction

200

What symbol indicates a reversible reaction?

⇄

300

What type of reaction is 2HgO (s) → 2Hg (l) + O₂ (g)

Decomposition

400

Will the following reaction occur?  If so, write the balanced chemical equation.

"Aqueous Lead (II) oxide and solid zinc"

Yes

PbO (aq) + Zn (s) → ZnO (aq) + Pb (s) 

500

Will the following reaction occur? If so, write the balanced chemical equation.

"Lithium sulfide and cobalt (II) chloride"

Li₂S (aq)+ CoCl₂ (aq) → CoS (s) + 2LiCl (aq)

Yet More Equations!

100

What indicates a solid reactant or product?

(s)

200

Oxygen is always found in what reaction?

Combustion

300

                            Daily Double!!!!!

For the reaction "Na₂CO₃ (aq) + HNO₃ (aq) → Na₂NO₃ (aq) + H₂O (l) + CO₂ (g)",

Give the full ionic equation

Identify spectator ions

Write the net ionic equation

Full ionic: 2Na⁺ (aq) + CO₃^2- (aq) + 2H⁺ (aq) + 2NO₃^- (aq) → 2Na⁺ (aq) + CO₃^2- (aq) + H₂O (l) + CO₂ (g)

Spectator ions: Na⁺, CO₃^2-

Net ionic eqation: 2H⁺ (aq) + 2NO₃^- (aq) → H₂O (l) + CO₂ (g)

400

Will the following reaction occur?  if so, write the balanced chemical equation.

"Aqueous Chromium fluoride and solid iron"

No

500

Will the following reaction occur?  if so, write the balanced chemical equation.

"Sodium phosphate and potassium oxide"

Nope