Chemistry 101 Review

Random

100

Physical or Chemical Change: Water freezes into ice.

What is a Physical Change?

200

Gas, Liquid, or Solid: This state of matter has the most energy.

What is a gas?

300

Homogenous vs Heterogenous: Water is poured into a cup of oil.

What is Heterogenous?

400

How does it dissociate: NaOH

NaOH will dissolve completely.

500

5 g of lemon juice is in a 250ml container of water. The density of lemon juice is? (Hint: D=M/L)

What is 20 g/L?

Periodic Table

100

Find Al

What is Aluminum?

200

Find Xenon

What is Xe?

300

Find Tl

What is Thallium?

400

Find Tungsten

What is W?

500

Find No

What is Nobelium?

Stoichiometry and balancing

100

Find the moles of 28.58 g of Oxygen.

What is 1.786 moles of Oxygen?

200

CH₄ + 2O₂--> CO₂ + 2H₂O

8.32g of methane reacts,

How many grams O₂ is used?

What is 33.195 g O₂?

300

Complete and balance this equation with states of matter: HCL+ Al(OH)₃  

What is 3HCL(aq)+Al(OH)₃(s)-->3H₂O(l)+AlCl₃(aq)?

400

Write this and balance this equation: Sulfuric acid reacts to neutralize aqueous sodium hydroxide.

What is H₂SO₄(aq) + 2 NaOH(aq) -->Na₂SO₄(aq) + 2 H₂O(l)?

500

Do the net ionic equation: 

NaOH(aq) + CuSO₄(aq)--> Na₂SO₄+ Cu(OH)₂

Spectator Ions: 2Na⁺, SO₄^2-

Full Ionic Equation:

Cu²⁺(aq)+ 2OH^-(aq) --> Cu(OH)₂(s)

Polyatomic

100

The formula for Ammonium.

What is NH₄⁺?

200

The formula for Nitrate.

What is NO₃^2-?

300

The formula for Acetic Acid.

What is HC₂H₃O₂?

400

The formula for Phosphate.

What is PO₄^3-?

500

The formula for Thiosulfate.

 What is S₂O₃^2-?

Is it soluble?

100

Soluble or Insoluble: MnNO₃

What is soluble?

200

Soluble or Insoluble: Iron Carbonate

What is Insoluble?

300

Soluble or Insoluble: PbSO₄

What is Insoluble?

400

This is soluble expect for Silver, Mercury, and Lead. Name all three for credit.

What is Cl^-, Br^-, and I^-?

500

Soluble or Insoluble: Ammonium Hydroxide

What is Soluble?