Chemistry 30 Released Items, 2019 - Alberta

1 Diploma Examinations Program 2019 Released Items Chemistry 30 This document was written primarily for:Students Teachers of Chemistry 30 Administrators ParentsGeneral AudienceOthersAlberta Education, Government of Alberta2019 2020 Chemistry 30 1 Released ItemsDistribution: This document is posted on the Alberta Education 2019, the Crown in Right of Alberta , as represented by the Minister of Education, Alberta Education, Provincial Assessment Sector, 44 Capital Boulevard, 10044 108 Street NW, Edmonton, Alberta T5J 5E6, and its licensors. All rights permission is granted to Alberta educators only to reproduce, for educational purposes and on a non-profit basis, parts of this document that do not contain excerpted ..1 Chemistry 30 Diploma Examination November 2018 Key ..2 Chemistry 30 Diploma Examination November 2018 Released 30 | Alberta Education, Provincial Assessment SectorChemistry 30 | Alberta Education, Provincial Assessment SectorIntroductionThe questions presented in this booklet are from the November 2018 Chemistry 30 Diploma Examination.

2 This material, along with the Program of Studies, the Chemistry 30 Information Bulletin, and the Student-based Performance Standards, can provide insights that assist you with decisions relative to instructional programming. These examination items are Released in both English and French by the Provincial Assessment 30 | Alberta Education, Provincial Assessment Sector 1 Chemistry 30 Diploma Examination November 2018 KeyKey: MC Multiple Choice; NR Numerical Response R/U Remembering/Understanding; A Application; HMA Higher Mental ActivityQuestionKeyOutcomeCognitive (any order) , , , , , , , , (any order) , , , , , , , , , , , , , , , , , , , , , , 30 | Alberta Education, Provincial Assessment Sector2 QuestionKeyOutcomeCognitive , , , , , , *(see below) , , , , , , , , , , , (any order) , , , , , , , , , , , , , , , , , , , , *NR9: 1527, 1525, 1535, 1538, 1546, 2515, 2535, 2538, 2546, 2715, 2735, 2738, 2746, 3515, 3525, 3527, 3546, 3815, 3825, 3827, 3846, 4615, 4625, 4627, 4635, 4638 Chemistry 30 | Alberta Education, Provincial Assessment Sector 3 1.

3 Which of the following statements makes a valid comparison between photosynthesis and cellular respiration ? A. photosynthesis is an exothermic process and cellular respiration is an endothermic process. B. Both photosynthesis and cellular respiration store energy from the Sun in the form of glucose. C. The products in the equation for photosynthesis are the reactants in the equation for cellular respiration . D. The water in the photosynthesis reaction is in liquid form, while the water in the cellular respiration reaction is in gaseous form. Chemistry 30 Diploma Examination November 2018 Released ItemsChemistry 30 | Alberta Education, Provincial Assessment Sector4 Use the following information to answer numerical-response question and Enthalpy Statements1 The net enthalpy is represented by net enthalpy is represented by activation energy has a positive activation energy has a negative net enthalpy has a positive net enthalpy has a negative Response The statements that apply to the forward reaction represented by the enthalpy diagram above are numbered , , and.

4 (Record all three digits of your answer in any order in the numerical-response section on the answer sheet.) 30 | Alberta Education, Provincial Assessment Sector 5 Use the following information to answer questions 2 and 3 and numerical-response question cells use different enzymes to metabolize glucose, C6H12O6(aq), in the absence of oxygen. Muscle cells will convert glucose to lactic acid, C3H6O3(aq), as represented by the following (aq) 2 C3H6O3(aq) + kJYeast cells will convert glucose to ethanol, C2H5OH(aq), and carbon dioxide, CO2(g), as represented by the following (aq) 2 C2H5OH(aq) + 2 CO2(g) + kJA student dissolved g of glucose into each of two identical polystyrene calorimeters containing mL of water. She then added muscle cell enzymes to the contents of one calorimeter and yeast cell enzymes to the contents of the other, covered the calorimeters, and monitored the temperature change in each.

5 2. The calorimeter that would have the greatest change in temperature would be the one containing enzymes from i cells. The manipulated variable in this experiment is the ii added to the contents of each calorimeter. The statements above are completed by the information in of of of of enzymeChemistry 30 | Alberta Education, Provincial Assessment Sector6 Use the following additional information to answer numerical-response question student collected the following data during the of glucose gMass of muscle cell gVolume of water in the calorimeter10 m LInitial temperature of calorimeter CFinal temperature of calorimeter CAssume the specific heat capacity of the solution is the same as that of Response The experimental value for the molar enthalpy of reaction for glucose in this experiment is +/ kJ/mol.

6 (Record your three-digit answer in the numerical-response section on the answer sheet.)2. 3. In comparison to a reaction pathway without an enzyme, the activation energy for the reaction pathway provided by either enzyme will be i and the value of H for the reaction will ii . The statement above is completed by the information in unchangedChemistry 30 | Alberta Education, Provincial Assessment Sector 7 Use the following information to answer questions 4 and 5 and numerical-response question dioxide gas can be captured and used to produce methanoic acid, as represented by the following ICO2(g) + H2(g) HCOOH(l) H = ?The methanoic acid, in the presence of a catalyst, can be used to produce electricity, as represented by the following II2 HCOOH(l) + O2(g) 2 CO2(g) + 2 H2O(l) + kJ 4.

7 An enthalpy diagram that could represent Equation II is 5. When an enthalpy change of 200 kJ is observed in the reaction represented by Equation II, the mass of CO2(g) that will be produced is A. 17. 3 g B. g C. 103 g D. 103 gChemistry 30 | Alberta Education, Provincial Assessment Sector8 Use the following additional information to answer numerical-response question Descriptions1 The reaction is reaction is the reaction, energy is Released to the the reaction, energy is absorbed from the would be a reactant if included as a term in the would be a product if included as a term in the potential energy of the reactants is greater than the potential energy of the potential energy of the reactants is less than the potential energy of the Response The reaction descriptions above that apply to Equation I are numbered , , , and.

8 (Record all four digits of your answer in any order in the numerical-response section on the answer sheet.) 30 | Alberta Education, Provincial Assessment Sector 9 Use the following information to answer numerical-response question 4 and questions 6 and cyanide gas, HCN(g), is used in the production of many plastics. This gas can be prepared by the reaction of methane, CH4(g), and ammonia, NH3(g), in the presence of a catalyst, as represented by the following (g) + NH3(g) HCN(g) + 3 H2(g) H = ?Relevant EquationsEquation IN2(g) + 3 H2(g) 2 NH3(g) H = kJEquation IIC(s) + 2 H2(g) CH4(g) H = kJEquation IIIH2(g) + 2 C(s) + N2(g) 2 HCN(g) H = + kJNumerical Response In Equation I, the molar enthalpy of reaction for H2(g) is +/ kJ/mol. (Record your three-digit answer in the numerical-response section on the answer sheet.)

9 6. In Equation II, methane contains i chemical potential energy than the reactants from which it was formed. This chemical potential energy originated from ii . The statements above are completed by the information in fuels 7. The enthalpy change for CH4(g) + NH3(g) HCN(g) + 3 H2(g) is A. + k J B. + kJ C. + k J D. + 30 | Alberta Education, Provincial Assessment Sector10 Use the following information to answer questions 8 and the absence of oxygen, glucose, C6H12O6(aq), can undergo fermentation producing ethanol, C2H5OH(l), and carbon dioxide, CO2(g), as represented by the following (aq) 2 C2H5OH(l) + 2 CO2(g)Assume the value of fH for C6H12O6(aq) is the same as the value of fH for C6H12O6(s). 8. The enthalpy change associated with the fermentation reaction is A.

10 1 kJ B. kJ C. + kJ D. + kJ 9. In the fermentation reaction, ethanol is the product of i half-reaction, and carbon dioxide is the product of ii half-reaction. The statement above is completed by the information in oxidationa oxidationan reductiona reductionan oxidationChemistry 30 | Alberta Education, Provincial Assessment Sector 11 Use the following information to answer question Equations1H2(g) + Cl2(g) 2 HCl(g) 2SO3(g) + H2O(l) H2SO4(aq)3NH3(aq) + H2O(l) NH4+(aq) + OH (aq)42 NH3(g) + 27O2(g) 2 NO2(g) + 3 H2O(g) 10. Of the equations above, the redox reactions are numbered A. 1 and 2 B. 1 and 4 only C. 1, 3, and 4 D. 2 and 3 Use the following information to answer question groups of bacteria use hydrogen sulfide gas, H2S(g), for chemosynthesis instead of the water used in photosynthesis .