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Grade 11 · Chemistry

Grade 11 Physical chemistry worksheet

20 questions on physical chemistry. The answer key is a separate download.

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What is on the worksheet

  1. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 1.8 mol at 277 K and 111 kPa. Round to 3 decimal places if needed. Answer in L.

  2. The given standard reduction potentials are 1.01 V for the cathode and -1.15 V for the anode. Find E°cell. Round to 3 decimal places if needed. Answer in V.

  3. For one reaction as written, a bond model requires 677 kJ/mol to break bonds and releases 637 kJ/mol on forming bonds. Estimate ΔH. Round to 3 decimal places if needed. Answer in kJ/mol.

  4. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 1.5 mol at 296 K and 124 kPa. Round to 3 decimal places if needed. Answer in L.

  5. For one reaction as written, a bond model requires 437 kJ/mol to break bonds and releases 809 kJ/mol on forming bonds. Estimate ΔH. Round to 3 decimal places if needed. Answer in kJ/mol.

  6. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 1.2 mol at 309 K and 144 kPa. Round to 3 decimal places if needed. Answer in L.

  7. An ideal gas has initial pressure 158 kPa and volume 5.1 L. At fixed amount and temperature its volume becomes 7.5 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  8. An ideal gas has initial pressure 142 kPa and volume 8 L. At fixed amount and temperature its volume becomes 8.5 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  9. An ideal gas has initial pressure 49 kPa and volume 6.7 L. At fixed amount and temperature its volume becomes 8.3 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  10. An ideal gas has initial pressure 195 kPa and volume 5.9 L. At fixed amount and temperature its volume becomes 1.8 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  11. The given standard reduction potentials are 1.17 V for the cathode and -1.11 V for the anode. Find E°cell. Round to 3 decimal places if needed. Answer in V.

  12. An ideal gas has initial pressure 144 kPa and volume 1.4 L. At fixed amount and temperature its volume becomes 4.3 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  13. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 1.2 mol at 354 K and 92 kPa. Round to 3 decimal places if needed. Answer in L.

  14. An ideal gas has initial pressure 102 kPa and volume 7.5 L. At fixed amount and temperature its volume becomes 8.5 L. Find the new pressure. Round to 3 decimal places if needed. Answer in kPa.

  15. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 1.4 mol at 333 K and 95 kPa. Round to 3 decimal places if needed. Answer in L.

  16. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 2.4 mol at 374 K and 140 kPa. Round to 3 decimal places if needed. Answer in L.

  17. Use PV = nRT and R = 8.314 kPa·L/(mol·K). Find the ideal-gas volume for 2.1 mol at 309 K and 88 kPa. Round to 3 decimal places if needed. Answer in L.

  18. The given standard reduction potentials are 0.62 V for the cathode and -1.53 V for the anode. Find E°cell. Round to 3 decimal places if needed. Answer in V.

  19. A reactant concentration decreases from 0.6 to 0.46 mol/L in 46 s. Find its positive average disappearance rate. Round to 3 decimal places if needed. Answer in mol/(L·s).

  20. For one reaction as written, a bond model requires 924 kJ/mol to break bonds and releases 839 kJ/mol on forming bonds. Estimate ΔH. Round to 3 decimal places if needed. Answer in kJ/mol.

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