Final Exam Review StationsUnits 4-745 Questions in 80 minutes (TOTAL)

18 Questions = 40 points32:00 timer

Station 1 (Bonding Unit 4)

•Which of the following chemical formulas is incorrect?

a) BaOH2

b) NH4Cl

c) KNO3

d) CaSO4

e) Sr(C2H3O2)2

Station 1 (Bonding Unit 4)

•Which of the following chemical formulas is incorrect?

a) BaOH2

b) NH4Cl

c) KNO3

d) CaSO4

e) Sr(C2H3O2)2

Station 2 (Bonding Unit 4)

•What is the correct formula for copper(II) oxide?

a) Cu2O2

b) Cu2O

c) CuOd) CuO2

e) None of these

Station 2 (Bonding Unit 4)

•What is the correct formula for copper(II) oxide?

a) Cu2O2

b) Cu2O

c) CuOd) CuO2

e) None of these

Station 3 (Bonding Unit 3)

•Name the following compound: SnCO3

a) Tin carbon trioxideb) Tin carbonatec) Tin (I) carbonated) Tin (II) carbonatee) None of these

Station 3 (Bonding Unit 3)

•Name the following compound: SnCO3

a) Tin carbon trioxideb) Tin carbonatec) Tin (I) carbonated) Tin (II) carbonatee) None of these

Station 4 (Bonding Unit 4)

•Name the following compound: PCl3

a) Phosphorus chlorideb) Monophosphorus trichloridec) Phosphorus trichlorided) Phosphorus chloride (III)e) None of these

Station 4 (Bonding Unit 4)

•Name the following compound: PCl3

a) Phosphorus chlorideb) Monophosphorus trichloridec) Phosphorus trichlorided) Phosphorus chloride (III)e) None of these

Station 5 (Bonding Unit 4)

•How many double bonds does CO2 contain?

a) 0b) 1c) 2d) 3e) 4

Station 5 (Bonding Unit 4)

•How many double bonds does CO2 contain?

a) 0b) 1c) 2d) 3e) 4

Station 6 (Bonding Unit 4)

•Which of the following molecules is polar?

a) NH3

b) O2

c) CCl4

d) CO2

e) None of these is polar.

Station 6 (Bonding Unit 4)

•Which of the following molecules is polar?

a) NH3

b) O2

c) CCl4

d) CO2

e) None of these is polar.

Station 7 (Reactions Unit 5)

•What type of reaction is represented with the following chemical equation:

CaSO4 + KBr CaBr2 + K2SO4

a) Synthesisb) Decompositionc) Combustiond) Single Replacemente) Double Replacement

Station 7 (Reactions Unit 5)

•What type of reaction is represented with the following chemical equation:

CaSO4 + KBr CaBr2 + K2SO4

a) Synthesisb) Decompositionc) Combustiond) Single Replacemente) Double Replacement

Station 8 (Chemical Reactions Unit 5)

•The coefficient for H2O in the following equation is ________________.

Ba(OH)2 + H3N Ba3N2 + H2O

a) 2b) 3c) 4d) 5e) 6

Station 8 (Chemical Reactions Unit 5)

•The coefficient for H2O in the following equation is ________________.

Ba(OH)2 + H3N Ba3N2 + H2O

a) 2b) 3c) 4d) 5e) 6

Station 9 (Chemical Reactions Unit 5)

•Which of the following will be the precipitate in the reaction between CaCl2 and Na2SO4?

a) CaSO4

b) CaNac) NaCld) ClSO4

e) None of these

Station 9 (Chemical Reactions Unit 5)

•Which of the following will be the precipitate in the reaction between CaCl2 and Na2SO4?

a) CaSO4

b) CaNac) NaCld) ClSO4

e) None of these

Station 10 (Chemical Reactions Unit 5)•Which of the following is the net ionic

reaction for the reaction between CuI2 and Pb(NO3)2?

a) Cu2+ + 2NO3- Cu(NO3)2

b) Pb2+ + 2I- PbI2

c) Cu2+ + 2I- + Pb2+ + 2NO3- Cu2+ + 2NO3

- + Pb2+ + 2I-

d) Cu2+ + 2I- + Pb2+ + 2NO3- Cu2+ + 2NO3

- + PbI2

Station 10 (Chemical Reactions Unit 5)•Which of the following is the net ionic

reaction for the reaction between CuI2 and Pb(NO3)2?

a) Cu2+ + 2NO3- Cu(NO3)2

b) Pb2+ + 2I- PbI2

c) Cu2+ + 2I- + Pb2+ + 2NO3- Cu2+ + 2NO3

- + Pb2+ + 2I-

d) Cu2+ + 2I- + Pb2+ + 2NO3- Cu2+ + 2NO3

- + PbI2

Station 11 (Moles Unit 6)

•Convert 4.5 cg CO2 to molecules.

a) 6.2x1020 moleculesb) 6.2x1024 moleculesc) 1.2x1028 moleculesd) 1.2x1026 molecules

Station 11 (Moles Unit 6)

•Convert 4.5 cg CO2 to molecules.

a) 6.2x1020 moleculesb) 6.2x1024 moleculesc) 1.2x1028 moleculesd) 1.2x1026 molecules

Station 12 (Moles Unit 6)

•Calculate the mass of 4.3L of oxygen gas.

a) 3.1 gramsb) 6.1 gramsc) 31 g ramsd) 61 gramse) 138 grams

Station 12 (Moles Unit 6)

•Calculate the mass of 4.3L of oxygen gas.

a) 3.1 gramsb) 6.1 gramsc) 31 g ramsd) 61 gramse) 138 grams

Station 13 (Moles Unit 6)

•Calculate the percent by mass of N in ammonium chloride.

a) 1.05% Nb) 2.61% Nc) 10.5% Nd) 26.1% Ne) 36.6% N

Station 13 (Moles Unit 6)

•Calculate the percent by mass of N in ammonium chloride.

a) 1.05% Nb) 2.61% Nc) 10.5% Nd) 26.1% Ne) 36.6% N

Station 14 (Moles Unit 6)• A compound consisting of C, H, and O is found to

contain 40.00% C and 6.71% H. The molecular mass is calculated to be 180.0 g/mol. Determine the molecular formula of the compound.

a) CH2O

b) C3H6O3

c) C2H4O2

d) C6H12O6

e) C18H36O18

Station 14 (Moles Unit 6)• A compound consisting of C, H, and O is found to

contain 40.00% C and 6.71% H. The molecular mass is calculated to be 180.0 g/mol. Determine the molecular formula of the compound.

a) CH2O

b) C3H6O3

c) C2H4O2

d) C6H12O6

e) C18H36O18

Station 15 (Stoichiometry Unit 7)

If 1.7 grams of hydrogen is theoretically produced, what was my actual yield of hydrogen if my percent yield is 53.6%?

a) 91.1 grams of hydrogenb) 3.17 grams of hydrogenc) 0.911 grams of hydrogend) 0.304 grams of hydrogene) None of these

Station 15 (Stoichiometry Unit 7)

If 1.7 grams of hydrogen is theoretically produced, what was my actual yield of hydrogen if my percent yield is 53.6%?

a) 91.1 grams of hydrogenb) 3.17 grams of hydrogenc) 0.911 grams of hydrogend) 0.304 grams of hydrogene) None of these

Station 16 (Stoichiometry Unit 7)

P4 + 5O2 P4O10

• Determine the mass of tetraphosphorus decoxide formed if 25.0 g of phosphorus (P4) and 50.0 g of oxygen gas are combined.

a) 57.3 grams of P4O10

b) 88.7 grams of P4O10

c) 146 grams of P4O10

d) 25.0 grams of P4O10

e) 50.0 grams of P4O10

Station 16 (Stoichiometry Unit 7)

P4 + 5O2 P4O10

• Determine the mass of tetraphosphorus decoxide formed if 25.0 g of phosphorus (P4) and 50.0 g of oxygen gas are combined.

a) 57.3 grams of P4O10

b) 88.7 grams of P4O10

c) 146 grams of P4O10

d) 25.0 grams of P4O10

e) 50.0 grams of P4O10

Station 17 (Stoichiometry Unit 7)•If the theoretical yield of the reaction is

53.6 grams, what is the percent yield if 51.4 grams is collected?

a) 1.04%b) 10.4%c) 0.96%d) 95.8%e) 104%

Station 17 (Stoichiometry Unit 7)•If the theoretical yield of the reaction is

53.6 grams, what is the percent yield if 51.4 grams is collected?

a) 1.04%b) 10.4%c) 0.96%d) 95.8%e) 104%

Station 18 (Stoichiometry Unit 7)

P4 + 5O2 P4O10

If 57.3 grams of tetraphosphorus decoxide formed when 25.0 g of phosphorus (P4) and 50.0 g of oxygen gas are combined. Some oxygen gas remains after the reaction. What mass of O2 remains after the reaction stops?

a) 0.06 grams of O2

b) 49.94 grams of O2

c) 0.03 grams of O2

d) 32.3 grams of O2

e) 17.7 grams of O2

Station 18 (Stoichiometry Unit 7)

P4 + 5O2 P4O10

If 57.3 grams of tetraphosphorus decoxide formed when 25.0 g of phosphorus (P4) and 50.0 g of oxygen gas are combined. Some oxygen gas remains after the reaction. What mass of O2 remains after the reaction stops?

a) 0.06 grams of O2

b) 49.94 grams of O2

c) 0.03 grams of O2

d) 32.3 grams of O2

e) 17.7 grams of O2