AP Chem Review Final

Foundations of AP Chem

100

Name the type of reaction occurring for the following:

2Al + 6HCL -} 2AlCl₃ + 3H₂  

Single Displacement

200

A compound contains 40% Calcium, 12% Carbon, and 48% oxygen. What is the empirical formula for the compound?

A)CaC₂O₄ B)CaCO₃ C)CaCO₄ D) CaCO₆

B)CaCO₃

300

What would happen if sodium hydroxide was partially cover and heated strongly?  

Mass of solid will decrease

400

Write a balance equation and name the type of reaction occurring for the following

Potassium oxide is mixed with water  

K₂O + H₂O -} 2KOH

Synthesis

500

Combustion analysis of a hydrocarbon produced 33.01g of CO₂ and 13.51g of H₂O. Determine the empirical formula of the hydrocarbon. 

CH₂

Solution Stoichiometry

100

On the periodic table, which group is soluble in water?

Alkali metals

200

What is the oxidation state of S in SO₄^-2?

+6

300

What combines with OH and is moderately soluble with it?

Ca⁺², Ba⁺², Sr⁺²

400

What reaction occurs during titration?

neutralization

500

Create a net ionic equation when sodium chloride and silver nitrate react.

Ag⁺(aq)+ Cl^-(aq) -} AgCl (s)

Electronic structure and periodicity

100

What is it called when an element has a 0 oxidation state?

free element

200

what is the relationship between Ionic radius and ionization energy?

inversely proportional

300

What is this called?

A law stating that like charges repel and opposite charges attract, with a force proportional to the product of the charges and inversely proportional to the square to the square of the distance between them.

Coulomb's Law

400

How to find Z_eff?

# of p⁺- inner e^-

500

Write the electron configuration of Uuo. 

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁶7s²5f¹⁴6d¹⁰7p⁶

Inter/Intra Bonds

100

What is the difference between inter and intra molecular bonds

Inter: between molecules

Intra: within elements

200

Name all types of intermolecular forces.

London dispersion force, Dipole-Dipole, Hydrogen bonding, Ion-Dipole

300

write the formula and draw the lewis dot stucture for Ethane

C₂H₆ or CH₃CH₃

 H H

   |  |

H-C-C-H

   |   |

  H   H

400

How to find the formal charges?

=valence e^- -1/2(bonding e^-) -nonbonding e^-

500

Draw the dominate lewis dot struture for thiocyanate ion (NCS^-)

[::N=C=S::]⁻

Phases of Matter

100

How is the ideal gas equation written out?

PV=nRT

200

Endothermic or Exothermic and what is it doing?

H₂(g) -} 2H(g)

O₃(g) -} O₂(g) + O(g)

Endothermic -bond breaking

300

what is needed to find the enthalpy change of the reaction?

# of moles of products and # of moles of reactants 

400

Write and name the equation when Boyle's and Charles law comes together.

Combine gas law P₁V₁/T₁=P₂V₂/T₂

500

Name all gas laws 

Graham´s Law of Effusion, Gay-Lussacś Law, Boyle´s Law, Charle´s Law, Avogradro´s Law, Dalton´s Law of Patcial Pressures