1. Which reaction is a standard formation reaction for a compound?
  2. CH4(g) + 2 O2(g)  CO2(g) + 2 H2O(l)
  3. Ca(OH)2(aq) + 2 Na(s)  Ca(s) + 2 NaOH(aq)
  4. H2O(g)  H2O(l)
  5. 2 Na(s) + O2(g) + H2(g)  2 NaOH(s)
  1. A chemical reaction occurs in a calorimeter. The temperature of the calorimeter decreases from 36.50C to 19.75C. If a 1350 g sample of water is contained in the calorimeter, what quantity of energy was lost by the water?
  2. 206 kJ
  3. 111 kJ
  4. 94.7 kJ
  5. 22.6 kJ

Use the following information to answer the next question.

  1. The enthalpy change for BiCl3(s) + Bi2O3(s)  3 BiOCl(s) is
  2. +1319.9 kJ
  3. +586.1 kJ
  4. 147.7 kJ
  5. 2053.7 kJ

  1. Burning fossil fuels is often harmful to the environment. Which of the following is not a problem associated with the burning of coal or hydrocarbons?
  2. Burning carbon or carbon compounds produces greenhouse gases.
  3. Coal often contains sulphur, which burns along with the coal, producing SO2(g) and acid rain.
  4. Coal and hydrocarbons are nonrenewable resources.
  5. Burning hydrocarbons produces chlorofluorocarbons that damage the ozone layer.

Use the following information to answer the next question.

Numerical Response

1.The heat of reaction is ______kJ.

(Record your three-digit answer in the numerical-response section on the answer sheet)

Use the following information to answer the next question.

  1. The activation energy for the forward, catalyzed reaction is
  2. II minus I
  3. III minus I
  4. IV minus II
  5. IV minus III

Use the following information to answer the next question.

Numerical Response

2.Match the chemicals numbered above with the statements given below.

The reactants of photosynthesis are:______and ______

The products of complete hydrocarbon

combustion in an open system are:______and ______

(Record your four-digit answer in the numerical-response section on the answer sheet)

Use the following information to answer the next question.

  1. Combustion of fossil fuels in a steam plant and cellular respiration are similar in terms of
  2. I, II, IV
  3. I, II, III
  4. I, III, IV
  5. II, III, IV

Use the following information to answer the next question.

  1. The graph could represent the formation of all the hydrogen halide compounds from their elements except for
  2. HI(g)
  3. HF(g)
  4. HCl(g)
  5. HBr(g)

  1. The graph that describes catalyzed (-----) and uncatalyzed (━) exothermic chemical reaction is

Numerical Response

3.Canadian five-cent coins (nickels) minted prior to 1982 were made of pure nickel; therefore, they exhibit a type of magnetism called ferromagnetism. If these nickels are heated to 375C, they will lose their ferromagnetic properties. Given the specific heat capacity of nickel is 0.444 kJ/kgC, the energy required to heat a 2.03 g nickel from 25.0C to 375C, in scientific notation, is ______ 102 J.

(Record your three-digit answer in the numerical-response section on the answer sheet)

  1. In a chemistry experiment, 12 g of (NH4)2SO4(s) was decomposed in 120 mL of water in a simple calorimeter. A temperature change from 20.2C to 17.8C was observed. The experimental molar enthalpy of decomposition for ammonium sulphate was
  2. 13 kJ/mol
  3. 1.2 kJ/mol
  4. +1.2 kJ/mol
  5. +13 kJ/mol
  1. Thermax, C(s), is commonly used as a metallurgical reducing agent. Its reaction with chromium is represented by the unbalanced equation

___Cr2O3(s) + ___C(s)  ___Cr(s) + ___CO2(g)

The production of 2.00 mol of Cr(s)

  1. releases 549.5 kJ
  2. requires 549.5 kJ
  3. releases 1098.9 kJ
  4. required 1098.9 kJ

Use the following information to answer the next question.

Numerical Response

4.The data required to determine the molar heat of combustion for ethanol, listed in numerical order, are ______, ______, ______and ______.

(Record your four-digit answer in the numerical-response section on the answer sheet)

  1. Silver compounds, such as AgNO3(s), can act as strong oxidizing agents because
  2. silver metal can easily be oxidized to silver ions
  3. silver metal can easily be reduced to silver ions
  4. silver ions can easily be oxidized to silver metal
  5. silver ions can easily be reduced to silver metal

  1. Which equation is an oxidation-reduction reaction?
  2. HCO3(aq) + H3O+(aq)  2 H2O(l) + CO2(g)
  3. Zn(s) + 2 CH3COOH(aq)  Zn2+(aq) + 2 CH3COO(aq) + H2(g)
  4. Pb2+(aq) + 2 I(aq)  PbI2(s)
  5. H2SO4(aq)  H2O(l) + SO3(g)

Use the following information to answer the next question.

  1. When this equation is balanced with smallest whole numbers, the coefficient for water is
  2. 3
  3. 5
  4. 7
  5. 9
  1. When a car battery produces electricity to start the engine, the batter is behaving as
  2. an electrolytic cell
  3. an electrochemical (voltaic) cell
  4. a system in which only oxidation is occurring
  5. a system in which only reduction is occurring
  1. Hydrochloric acid may safely be stored in a container made of
  2. gold
  3. zinc
  4. lead
  5. magnesium

Use the following information to answer the next question.

Numerical Response

5.Match each of the following species with its most appropriate property.

H2O(l) ______(Record in the first column)

Zn(s) ______(Record in the second column)

Sn4+(aq) ______(Record in the third column)

C(s) ______(Record in the fourth column)

(Record your answer in the numerical-response section on the answer sheet)

Use the following information to answer the next question.

  1. A spontaneous reaction would occur in test tubes
  2. I and III
  3. I and V
  4. II and V
  5. III and IV

Use the following information to answer the next question.

  1. Which of the following values indicates how many coulombs a battery with a CCA rating of 600 produces during 30.0 s of operation?
  2. 20.0 C
  3. 600 C
  4. 1.80  104 C
  5. 1.74  109 C

Use the following information to answer the next question.

Numerical Response

6.The net cell potential for this electrochemical cell is +/ ______V.

(Record your three-digit answer in the numerical-response section on the answer sheet)

  1. Which of the following is not an example of oxidation?
  2. corrosion of metals
  3. plating of metals
  4. rusting of iron
  5. reaction at the anode of a battery

Use the following information to answer the next question.

Reactions

A2(aq) + 2 B(aq)  B2(aq) + 2 A(aq)
C2(aq) + 2 B(aq)  no reaction
D2(aq) + 2 A(aq)  A2(aq) + 2 D(aq) /

Key

1A2(aq)
2B2(aq)
3C2(aq)
4D2(aq)

Numerical Response

7.The elements, arranged in order from strongest oxidizing agent to weakest oxidizing agent, are ______, ______, ______, and ______.

(Record your four-digit answer in the numerical-response section on the answer sheet)

Use the following information to answer the next question.

  1. The oxidizing agents above, listed from strongest to weakest, are
  2. U3+(aq), La3+(aq), Y3+(aq)
  3. U3+(aq), Y3+(aq), La3+(aq)
  4. Y3+(aq), U3+(aq), La3+(aq)
  5. U(s), Y(s), La(s)

  1. The reaction of high-quality carbon with oxide mixtures produces durable carbon compounds. The oxidation numbers for the metals in the oxides of TiO2(s), MoO3(s), W4O12(s), and W2O5(s) are, respectively
  2. 4, 6, 24, and 10
  3. 2, 3, 3, and
  4. 4, 6, 6, and 5
  5. 2, 3, 24, and

Use the following information to answer the next question.

Numerical Response

8.When balanced in terms of lowest whole numbers, the coefficients for this equation are, respectively, ______, ______, ______, and ______.

(Record your four-digit answer in the numerical-response section on the answer sheet)

  1. For the standard reference half-cell, the oxidation half-reaction and E are
  2. H2(g)  2 H+(aq) + 2 e E = 0.00 V
  3. 2 H+(aq) + 2 e  H2(g) E = 0.00 V
  4. 2 H2O(l) + 2 e  H2(g) + OH(aq)E = 0.83 V
  5. H2(g) + OH(aq)  2 H2O(l) + 2 e E = +0.83 V

Use the following information to answer the next question.

  1. In this reaction, the oxidation number of aluminum changes from
  2. 0 to +1
  3. 0 to +3
  4. +2 to +6
  5. +3 to +6
    Use the following information to answer the next question.

Numerical Response

9.What reagents are required in order for the cell to produce a voltage of 1.25 V?

Electrode I ______(Record in the first column)

Solution II ______(Record in the second column)

Electrode III______(Record in the third column)

Solution IV______(Record in the fourth column)

(Record your four-digit answer in the numerical-response section on the answer sheet)

Use the following information to answer the next three questions.

  1. At the treatment plant, the enzymes in the bacteria act as
  2. buffers
  3. reducing agents
  4. oxidizing agents
  5. biological catalysts
  1. The ATAD process is
  2. a reduction
  3. exothermic
  4. endothermic
  5. an acid-base reaction
  1. During the digestion process, the carbon in the sludge is
  2. reduced
  3. oxidized
  4. amphiprotic
  5. precipitated

Use the following information to answer the next three questions.

  1. The balanced equation for the titration is
  2. 2 MnO4(aq) + 16 H+(aq) + 5 H2O2(l)  2 Mn2+(aq) + 8 H2O(l) + 5 O2(g)
  3. 2 MnO4(aq) + 6 H+(aq) + 5 H2O2(l)  2 Mn2+(aq) + 4 H2O(l) + O2(g)
  4. 2 MnO4(aq) + 6 H+(aq) + 5 H2O2(l)  2 Mn2+(aq) + 3 H2O(l) + 5 O2(g)
  5. 2 MnO4(aq) + 6 H+(aq) + 5 H2O2(l)  2 Mn2+(aq) + 8 H2O(l) + 5 O2(g)

Numerical Response

10.The volume of potassium permanganate that should be used in subsequent calculations is ______mL.

(Record your three-digit answer in the numerical-response section on the answer sheet)

Use your recorded answer from Numerical Response 10 to answer Numerical Response 11*.

Numerical Response

11.The hydrogen peroxide concentration is ______mol/L.

(Record your three-digit answer in the numerical-response section on the answer sheet)

You can receive marks for this question even if the previous question was answered incorrectly.

Use the following information to answer the next two questions.

  1. The molecular formula of capsaicin is
  2. C18H32NO3
  3. C18H29NO3
  4. C18H27NO3
  5. C17H25NO3
  1. The capsaicin molecule is an i compound and it contains a ii functional group.

Row / i / ii
A. / aliphatic / hydroxyl
B. / aliphatic / ester
C. / aromatic / hydroxyl
D. / aromatic / ester

Use the following information to answer the next question.

Numerical Response

12.The organic compound numbered above that

is an alkene is ______(Record in the first column)

is an alcohol is______(Record in the second column)

contains a triple bond is______(Record in the third column)

is cyclic and saturated is______(Record in the fourth column)

(Record your four-digit answer in the numerical-response section on the answer sheet)

Use the following information to answer the next question.

Numerical Response

13.The descriptions numbered above that apply to both hept-2-ene and but-2-ene are ______, ______, ______, and ______.

(Record all four digits of your answer in lowest-to-highest numerical order in the numerical-response section on the answer sheet)

  1. When aqueous bromine is added to hexane and hex-1-ene in the presence of light, the hexane undergoes i reaction and the hex-1-ene undergoes ii reaction.

The statement above is completed by the information in row.

Row / i / ii
A. / an addition / a substitution
B. / an addition / an addition
C. / a substitution / a substitution
D. / a substitution / an addition

Use the following information to answer the next question.

  1. Which line diagrams above represent organic compounds that are structural isomers?
  2. I and II only
  3. I, II, III and IV
  4. II and III only
  5. III and IV only

Use the following information to answer the next four questions.

  1. In this reaction, the substances that act as Brønsted-Lowry acids are
  2. OCl(aq) and H2O(l)
  3. OCl(aq) and HOCl(aq)
  4. OCl(aq) and OH(aq)
  5. H2O(l) and HOCl(aq)
  1. The substance in the equation above that may act as an amphiprotic species is
  2. OCl(aq)
  3. H2O(l)
  4. HOCl(aq)
  5. OH(aq)
  1. The two species in equimolar amounts that could act as a buffer in this bleach solution are
  2. OCl(aq) and HOCl(aq)
  3. HOCl(aq) and OH(aq)
  4. OCl(aq) and H2O(l)
  5. H2O(l) and OH(aq)
  1. In this bleach solution, the acid-base indicator
  2. phenolphthalein would be colourless
  3. alizarin yellow R would be orange
  4. indigo carmine would be green
  5. methyl orange would be red

  1. When ammonium nitrate dissolves in water, the resulting solution will be
  2. basic
  3. acidic
  4. neutral
  5. a non-electrolyte

Use the following information to answer the next question.

  1. Acids are classified as either strong or weak. Of the acids listed above, only
  2. HClO(aq) is a strong acid
  3. HClO4(aq) is a strong acid
  4. HClO4(aq) and HClO3(aq) are strong acids
  5. HClO4(aq), HClO3(aq), and HClO2(aq) are strong acids

Use the following information to answer the next question.

Numerical Response

14.When the solutions above are ordered from most basic to least basic, the order is ______, ______, ______, and ______.

(Record your four-digit answer in the numerical-response section on the answer sheet)

  1. A drop of thymol blue indicator in its blue form added to 10.0 mL of 0.10 mol/L H2SO4(aq) would become
  2. yellow because the indicator would gain one proton
  3. yellow because the indicator would lose one proton
  4. red because the indicator would gain two protons
  5. red because the indicator would lose two protons
  1. An equilibrium that would favour the products is
  2. NH4+(aq) + H2PO4(aq) ⇌ NH3(aq) + H3PO4(aq)
  3. HCN(aq) + HS(aq) ⇌ CN(aq) + H2S(aq)
  4. HCO3(aq) + PO43(aq) ⇌ HPO42(aq) + CO32(aq)
  5. HSO4(aq) + HSO3(aq) ⇌ H2SO3(aq) + SO42(aq)

Use the following information to answer the next two questions.

  1. The function of chemical buffers in the blood is to
  2. control all reactions
  3. act as catalysts to increase the rate of reaction
  4. withstand the continual addition of acid or base
  5. maintain a constant pH when a small amount of acid or base is added
  1. One of the buffers present in blood is
  2. HSO3(aq)  H2SO3(aq)
  3. HCO3(aq)  H2CO3(aq)
  4. NO3(aq)  HNO3(aq)
  5. Cl(aq)  HCl(aq)

Use the following information to answer the next three questions.

  1. The net ionic equation that best illustrates the reaction responsible for the dough rising is
  2. H3O+(aq) + HCO3(aq)  CO2(g) + 2 H2O(l)
  3. HCO3(aq) + C3H5O3(aq)  HC3H5O3(aq) + CO32(aq)
  4. NaHCO3(aq) + H3O+(aq)  H2CO3(aq) + H2O(l) + Na+(aq)
  5. HCO3(aq) + HC3H5O3(aq)  H2O(l) + CO2(g) + C3H5O3(aq)
  1. The [H3O+(aq)] in 0.20 mol/L HC3H5O3(aq) is
  2. 2.8 × 10-3 mol/L
  3. 5.3 × 10-3 mol/L
  4. 2.6 × 10-2 mol/L
  5. 7.0 × 10-4 mol/L

Use your recorded answer from Multiple choice 42 to answer Numerical Response 15*.

Numerical Response

15.The pH of the HC3H5O3(aq) is ______.

(Record your three-digit answer in the numerical-response section on the answer sheet)

You can receive marks for this question even if the previous question was answered incorrectly.

Use the following information to answer the next question.

  1. The most suitable indicator for the titration is
  2. phenolphthalein
  3. methyl violet
  4. chlorophenol red
  5. methyl orange

Use the following information to answer the next question.

  1. According to the overall equilibrium equation above, the amount of sulphur removed may be increased by
  2. adding a catalyst
  3. removing water vapour
  4. increasing the volume of the system
  5. increasing the temperature of the system

Use the following information to answer the next question.

Numerical Response

16.Based on the reaction evidence, the four acids, ranked from strongest to weakest, are ______, ______, ______, and ______.

(Record your four-digit answer in the numerical-response section on the answer sheet)

1