Chemistry Final Exam PDF, Canada Yantai Secondary School

*Canada Yantai Secondary School* **FINAL EXAMINATION -- Term 2** **Chemistry 11** 80 marks January 16, 2025 150 minutes Instructor: Michael Jarin **Name:** \_\_\_\_\_\_\_\_ **PART I -- Organic Chemistry** A. Complete the table below by writing the IUPAC name, sketching the structure-form...

*Canada Yantai Secondary School* **FINAL EXAMINATION -- Term 2** **Chemistry 11** 80 marks January 16, 2025 150 minutes Instructor: Michael Jarin **Name:** \_\_\_\_\_\_\_\_ **PART I -- Organic Chemistry** A. Complete the table below by writing the IUPAC name, sketching the structure-formula and drawing the line-angle formula of the hydrocarbons. (5 marks) **Structure formula** **Line-angle formula** ---------------------------- ----------------------- ------------------------ 3-ethyl-2,2-dimethylhexane **1.**  **2.** **3.** **4.**  **5.** B. Write the IUPAC name of the following organic compounds. (5 marks) 6.  7. 8.  9. 10. C. Name the following as "*cis*" or "*trans*" isomers. (5 marks)  11. 12.  13. 14.  15. D. Write the IUPAC name of the following cycloalkanes, cycloalkenes, and cycloalkynes. (5 marks) 16.  17. 18. 19.  20. E. Write the IUPAC name of the following aromatic compounds. (3 marks) 21.  22. 23. F. Write the IUPAC name of the following compounds using (*ortho*, *meta*, or *para*). (3 marks)  24. 25.  26. G. Identify the functional groups of the following compounds. (3 marks) 27.  28. 29.  30. **PART II -- The Mole Concept** A. Find the molar masses of the following compounds. (3 marks) 31\. CaCl~2~ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 32\. Fe~2~(SO~4~)~3~ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 33\. Pb~3~(PO~4~)~4~ \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ B. Moles, Molecules, Atoms, Volume and Density calculations. Show Dimensional Analysis for the following problems. (14 marks) 34\. How many moles are in 5.25 x 10^25^ atoms of Au? (2 marks) 35\. How many molecules are in 1.50 moles of Hg? (2 marks) 36\. How many atoms of hydrogen are present in 2.00 moles of glucose (C~6~H~12~O~6~)? (2 marks) 37\. Determine the number of formula units in 5.75 moles of NaCl. (2 marks) 38\. How many atoms are in a sample of Pb~3~(PO~4~)~4~ with a mass of 50.0 grams? (2 marks) 39\. Calculate the number of molecules in 25.0 liters of CO~2~ gas at STP. (2 marks) 40\. Calculate the number of molecules in 2.50 liters of oxygen gas (O~2~), given that the density of oxygen gas at STP is 1.43 g/L. (2 marks) C. Calculate the percentage composition of the following compounds. (5 marks) 41\. NaOH 42\. NiSO~4~.**7H~2~O** 43\. CaCl~2~.**2H~2~O** D. Find the empirical formula. (3 marks) 44\. 21.8% **Mg**, 27.9% **P** and 50.3% **O** E. Find the molecular formula. (3 marks) 45\. A gas has an empirical formula CH~2~. 0.500 of the gas at STP has a mass of 0.938, what is the molecular formula of the compound? F. Molar Concentration (2 marks) 46\. Calculate the molarity of a solution prepared by dissolving 11.5 g of NaOH in enough water to make a 1.50 L solution. **PART III -- Stoichiometry (20 marks)** 47. Consider the equation \_\_\_I~2(g)~ + \_\_\_F~2(g)~ \_\_\_IF~5(g)~ + \_\_\_I~4~F~2(g)~ a. How many moles of I~4~F~2(g)~ are produced by 3.80 moles of F~2(g)?~ b. How many moles of F~2(g)~ are required to produce 5.00 moles of IF~5(g)?~ c. How many moles of I~2(g)~ are required to react with 3.00 moles of F~2(g)?~ 48. A student decomposes some hydrogen peroxide, H~2~O~2~, according to the following reaction **2H~2~O~2~ 2H~2~O + O~2~** If a total of 0.450 moles of reactants and products are involved in the reaction, how many moles of O~2~ are produced? 49. \_\_\_NH~3(g)~ + \_\_\_O~2(g)~ \_\_\_H~2~O~(g)~ + \_\_\_NO ~(g)~ a. What mass of NO~(g)~ is produced when 3.50 mol of NH~3(g)~ are reacted with excess O~2(g)?~ b. What mass of H~2~O~(g)~ is produced when 2.00 mol of O~2(g)~ are reacted with excess NH~3(g)?~ c. What volume of NH~3(g)~ at STP is required to react with 1.50 mol of O~2~? **Organic Chemistry Help**  **NO~2~** -- Nitro **NH~2~** - Amino **The Mole Concept Formula Sheet** **Percentage** **Composition** **Empirical Formula** Step 1: Convert percentages to moles Step 2: Find the simplest whole-number ratio (Divide each mole value by the smallest mole value obtained) Step 3: Write the empirical formula. Combine the whole-number ratios to get the empirical formula. If the decimal does not round to whole number, multiply all the ratios by a small integer to eliminate decimal. **DECIMAL RATIO** **MULTIPLY BY** ------------------- ----------------- 0.5 2 0.33 or 0.67 3 0.25 or 0.75 4 **Molecular Formula** **Molar Concentration** **Stoichiometry Help**