Energy Bonding Stoichiometry Periodic Trends Misc. 5 pt 5 pt 5 pt 5 pt 5 pt 10 pt 10 pt 10 pt 10 pt 10 pt 15 pt 15 pt 15 pt 15 pt 15 pt 20 pt 20 pt 20 pt 20 pt 20 pt 25 pt 25 pt 25 pt 25 pt 25 pt

Define standard enthalpy of formation Energy: 5 Define standard enthalpy of formation

Energy: 5 The energy change from the formation of a compound from its elements in their standard state

The trend in lattice enthalpy with increasing charge of an ion Energy: 10 The trend in lattice enthalpy with increasing charge of an ion

Energy: 10 increases

The trend in lattice enthalpy with increasing ionic radius Energy 15 The trend in lattice enthalpy with increasing ionic radius

Energy 15 decreases

List 3 things that determine the spontaneity of a reaction Energy 20 List 3 things that determine the spontaneity of a reaction

Temperature, enthalpy change, entropy change Energy 20 Temperature, enthalpy change, entropy change

Energy 25 List 3 things that indicate in increase in entropy is taking place in a chemical reaction

mixing, changing state, difference in the number of moles Energy 25 mixing, changing state, difference in the number of moles

The hybridization of the carbon atom in ethene Bonding: 5 The hybridization of the carbon atom in ethene

Bonding 5 sp2

Bonding 10 The shape of PCl5

Bonding 10 Trigonal bipyramidal

The hybridization of XeF4 Bonding 15 The hybridization of XeF4

Bonding 15 d2sp3

The reason that graphite can conduct electricity Bonding 20 The reason that graphite can conduct electricity

Bonding 20 the delocalized electrons in the p orbitals between the layers for carbon atoms

The number of sigma bonds and pi bonds in the propanone Bonding 25 The number of sigma bonds and pi bonds in the propanone

Bonding 25 9 sigma, 1 pi

The coefficient on oxygen when the following is balanced: Stoichiometry 5 The coefficient on oxygen when the following is balanced: CH4 + O2  CO2 + H2O

Stoichiometry 5 2

The volume of 5.0 M HCl needed to neutralize 50 cm3 of 2.5 M NaOH Stoichiometry 10 The volume of 5.0 M HCl needed to neutralize 50 cm3 of 2.5 M NaOH

Stoichiometry 10 25 cm3

The number of oxygen atoms in 2.0 moles of CH3COOH Stoichiometry 15 The number of oxygen atoms in 2.0 moles of CH3COOH

Stoichiometry 15 2.4 x 1024 atoms

The number of particles in 11.2 Liters of a noble gas at STP Stoichiometry 20 The number of particles in 11.2 Liters of a noble gas at STP

Stoichiometry 20 3.0 x 1023 particles

Stoichiometry 25 The yield of a reaction in which 3 moles of HCl react with excess Mg and 1 moles of H2 are produced. Mg + 2HCl  MgCl2 + H2

Stoichiometry 25 67%

The trend in acidity across the 3rd period of the periodic table Periodic Trends 5 The trend in acidity across the 3rd period of the periodic table

basic to amphoteric to acidic Periodic Trends 5 basic to amphoteric to acidic

List 2 characteristic chemical properties of the transition metals Periodic Trends 10 List 2 characteristic chemical properties of the transition metals

variable oxidation states, complex ion formation, act as catalysts Periodic Trends 10 variable oxidation states, complex ion formation, act as catalysts

The two most common oxides of phosphorus Periodic Trends 15 The two most common oxides of phosphorus

Periodic Trends 15 P4O6 and P4O10

The catalyst for the Haber process Periodic Trends 20 The catalyst for the Haber process

Periodic Trends 20 Iron

The catalyst for the conversion of alkenes to alkanes Periodic Trends 25 The catalyst for the conversion of alkenes to alkanes

Periodic Trends 25 Nickel

Misc. 5 The shape of SF6

Misc. 5 octahedral

The number of neutrons of in Misc. 10 The number of neutrons of in

Misc. 10 110

[CoCl4]2-(aq) + H2O(l)  [Co(H2O)6]2+(aq) + Cl-1(aq) H > 0 Misc. 15 Given the following reaction, this would be observed if hydrochloric acid was added [CoCl4]2-(aq) + H2O(l)  [Co(H2O)6]2+(aq) + Cl-1(aq) H > 0 blue pink

Misc. 15 turns blue

Misc. 20 The element given by 2.8.3

Misc. 20 Aluminum

[CoCl4]2-(aq) + H2O(l)  [Co(H2O)6]2+(aq) + Cl-1(aq) H > 0 Misc. 25 Given the following reaction, this would be observed if temperature increases [CoCl4]2-(aq) + H2O(l)  [Co(H2O)6]2+(aq) + Cl-1(aq) H > 0 blue pink

Misc. 25 Turns blue