Chemistry Semester 2

Ionic Compound Formulas

100

What is the formula for Sodium Chloride

NaCl

200

What is the formula for Sodium Hydroxide

NaOH

300

What makes a compound ionic?

When it is composed of a metal and a nonmetal or polyatomic ion

400

What is the formula for Potassium Nitrate

KNO₃

500

What is the formula for Calcium Carbonate

CaCO₃

Molecular Compound Formulas

100

What is the formula for Carbon Dioxide?

CO₂

200

What is the formula for Nitrogen Monoxide?

NO

300

What makes a compound molecular?

When it is composed of two nonmetals

400

What is the formula for Dinitrogen Tetroxide?

N₂O₄

500

What is the formula for Sulfur Hexafluoride?

SF₆

Chemical Equation Writing

100

What symbol is used for "when heated"?

△

200

What are the 4 catalysts?

s, L, g, and aq

300

Write the equation for:

Aqueous solutions of sodium chloride and silver nitrate are mixed. A precipitate of silver chloride and an aqueous solution of sodium nitrate are formed.

NaCl_(aq) + AgNO_3(aq) → AgCl_(S) + NaNO_3(aq)

400

Write the equation for:

Zinc metal, when combined with hydrochloric acid, will form an aqueous solution of zinc chloride and hydrogen gas.

Zn_(S) + HCl_(aq) → ZnCl_(aq) + H_2(g)

500

Write the equation for:

Solutions of sodium phosphate and barium chlorate are mixed. A precipitate of barium phosphate and an aqueous solution of sodium chlorate form.

Na₃PO_4(aq) + Ba(ClO₃)_2(aq) → Ba₃(PO₄)_2(S) + NaClO_{3 (aq)}

Chemical Equation Balancing

100

Balance Co₂O₃ + CO₂ → Co₂(CO₃)₃

Co₂O₃ + 3CO₂ → Co₂(CO₃)₃

200

Balance Cr + Br₂ → CrBr₃

2Cr + 3Br₂ → 2CrBr₃

300

Balance N₂ + H₂ →NH₃

N₂ + 3H₂ → 2NH₃

400

Balance Na₂Cr₂O₇ → Na + Cr + O₂

2Na₂Cr₂O₇ →4Na + 4Cr + 7O₂

500

Balance C₃H₈ + O₂ → CO₂ + H₂O

C₃H₈5O₂ → 3CO₂ + 4H₂O