Note: There are several ways to solve the problems presented below. Our tutors will explain how they arrive at solutions and try to give problem solving strategies. In all instances, students should refer to their course instructors if they have questions about solutions.
Practice Exam 1
- Click here to download the Spring 2010 exam 1 for CHM 1025. We strongly recommend that you print this and test yourself using exam timing (1 hour and 50 minutes).
- Check your answers and try to determine the reason for any missed questions.
- Click on the linked question numbers below to watch videos of our chemistry tutors solving specific problems.
- 1. This physical state has an indefinite shape and a fixed volume…
- 2. Using PC for physical change and CC for chemical change, identify…
- 3. Indicate how many significant figures are in the following values…
- 4. Diamonds are measured in carats and one carat equals 0.200 grams…
- 5. The 90Sr isotope is present in radioactive fallout. When 90Sr…
- 6. Compound X has three isotopes: X-28, X-29, and X-30. X-28 has a…
- 7. Name the following compounds: CrBr3, FeSO4, NO2…
- 8. How many atoms of phosphorous are there in 7.9 g of P4S10…
- 9. What is the classification of CaCO3?
- 10. Which of the following does not exist as a diatomic molecule?
- 11. A proton has a radius of approximately 1.0 x 10-6 nm and a mass…
- 12. Cheetahs have been recorded running at speeds of nearly 125 miles…
- 13. The coldest temperature ever measured in the United States is -80.0…
- 14. Perform the following calculation to the correct number of…
- 15. A 1.0 L sample of gaseous neon atoms contains 2.69 x 1022 atoms…
- 16. Which of the following statements was NOT a conclusion reached…
- 17. Determine which of the following samples is the heaviest…
- 18. (currently no video)
- 19. A cylindrical piece of rubber has a mass of 16.0 g, a radius of…
- 20. (Part 1) / (Part 2) Bromine has 10 known isotopes, but only two occur…
- 21. How many moles are in 60.0 g of Zn?
- 22. Name the following hydrated ionic compound…
- 23. Classify each of the following compounds as ionic or molecular…
- 24. Naturally occurring iodine has an atomic mass of 126.9045 amu…
- 25. Which of the following is FALSE regarding the syllabus?
Practice Exam 2
- Click here to download the Spring 2010 exam 2 for CHM 1025. We strongly recommend that you print this and test yourself using exam timing (1 hour and 50 minutes).
- Check your answers and try to determine the reason for any missed questions.
- Watch the video playlist below of our chemistry tutors solving specific problems.
Practice Exam 3
- Click here to download the Spring 2010 exam 3 for CHM 1025. We strongly recommend that you print this and test yourself using exam timing (1 hour and 50 minutes).
- Check the answer key and try to determine the reason for any missed questions.
- Click on the linked question numbers below to watch videos of our chemistry tutors solving specific problems.
- 1. If a system gains 50 kJ of energy during a process…
- 2. How much work (in J) is required to expand the volume…
- 3. Determine the mass of water produced by burning…
- 4. Three 1-kg room temperature samples of lead (CPb = 0.130 J/g.K)…
- 5. Calculate ΔHrxn for the combustion of methane…
- 6. One tablespoon of mayonnaise has a mass of 25.0 g…
- 7. How much heat is required to warm 2.00 liters…
- 8. A system absorbs 317 kJ of heat and the surroundings do…
- 9. The explosive nitroglycerin (C3H5N3O9) decomposes rapidly…
- 10. Suppose that 5.00 g of silver is initially at 27.0 oC…
- 11. What is the correct equation for the formation of methanol…
- 12. Under certain nonstandard conditions, oxidation by O2(g) of…
- 13. Which of the following are state functions?
- 14. In a coffee-cup calorimeter, 1.25 g of NH4NO3…
- 15. What mass of propane (C3H8) must be burned…
- 16. What volume (in mL) of 0.750 M NaOH is required…
- 17. What is the name for the compound RuO2…
- 18. What volume of a 15.0 M HNO3 solution is…
- 19. What mass (kg) of NH3 will be formed when…
- 20. If 3.5 L of a 1.1 M CaCl2 solution is diluted…
Practice Exam 4
- Click here to download the Spring 2010 exam 4 for CHM 1025. We strongly recommend that you print this and test yourself using exam timing (1 hour and 50 minutes).
- Check the answer key and try to determine the reason for any missed questions.
- Watch the video playlist below of our chemistry tutors solving specific problems. All videos are also on our YouTube playlist. Note: Only some of the questions are added at this time.
Practice Final Exam
- Click on the linked question numbers below to watch videos of our chemistry tutors solving specific problems.
- 1. Compound X has three isotopes: X-28, X-29, and X-30. X-28…
- 2. Name the following compounds: CrCl4, Fe(NO3)2, N2O2…
- 3. How many atoms of phosphorous are there in 2.0 g of P4S10…
- 4. Perform the following calculation to the correct number of significant figure…
- 5. A pure titanium cube has an edge length of 0.973 ft…
- 6. What volume (in mL) of 0.500 M NaOH is required to titrate 150.00…
- 7. Name of the compound (NH4)2CrO4…
- 8. What is the complete ionic equation for the following balanced reaction…
- 9. The following reaction is used to obtain iron from iron ore…
- 10. Calculate the molecular formula for nicotine based…
- 11. If a system emits 200 kJ of energy during a process,…
- 12. Use Hess’ Law and the following data to determine the value of ΔHrxn…
- 13. A system absorbs 462 kJ of heat and the surroundings do 593 kJ…
- 14. The explosive nitroglycerin (C3H5N3O9) decomposes rapidly upon ignition…
- 15. In a coffee-cup calorimeter, 3.19 g of NH4NO3 is dissolved in enough water to…
- 16. Determine the bond energy of a Cl-Cl bond given the following information.
- 17. Determine whether a bond between each of the following pairs of atoms…
- 18. What is the formal charge of the central atom in the hydronium ion [H3O]+ ?
- 19. How many resonance structures are possible for nitric acid, HNO3?
- 20. Use the Born-Haber cycle and the following reactions to calculate the electron…
- 21. What are the electron geometry and the molecular geometry of ClF3?
- 22. Determine whether the following molecules or ion is polar (p)…
- 23. Predict the molecular shape and give the approximate bond angles…
- 24. Which of the following liquids are likely to be soluble with water…
- 25. Which of the following substances will exhibit dipole-dipole…