CLEP Chemistry: Study Guide & Test Prep Final Exam

Free Practice Test Instructions:

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Question 1 1. Ammonia is made by the Haber Process according to the following chemical reaction: N2 (g) + 3H3 (g) ↔ 2NH3 (g). If ΔH = -92.4 kJ/mol, what affect will lowering the temperature have on the reaction at equilibrium?

Question 2 2. Which of the elements forms monoatomic ions with +1 charge in solutions?

Question 3 3. Which of the following contains the strongest polar covalent bond?

Question 4 4. What type of intermolecular force can affect noble gases?

Question 5 5. What is the oxidation number of iodine in Zn(IO3)2?

Question 6 6. The pH of 0.1 M nitric acid is approximately

Question 7 7. A precipitate is formed when Na2SO4 is added to an aqueous solution. Which of the following ions is likely in the solution?

Question 8 8. What is the molar mass of a gas that has a density of 5.00 g/L at 2.00 atm of pressure and 100.°C? (R = 0.0821 L*atm/mol*K).

Question 9 9. The reaction A + 2B → C has the following experimental rate law at 25°C: rate = k[A][B]2. What effect will a two-fold increase on the concentration of B have on the rate of the reaction?

Question 10 10. The electron configuration of an element, X, is 1s2 2s2 2p6 3s2 3p1. The most likely compound for form with S is

Question 11 11. A student wants to make 5.00 L of 0.450 M Na2SO4. To do this, the student should weigh out

Question 12 12. At what point on a phase diagram do solid, liquid, and gas states of of a substance exist in equilibrium?

Question 13 13. For an exothermic reaction, which of the following always results in a spontaneous reaction?

Question 14 14. A student mixes 100. mL of 0.100 M NaOH with 100. mL of 0.200 M MgCl2. Following the reaction, what concentration of magnesium ions will be in solution?

Question 15 15. Which of the following best describes the molecular geometry of XeF4?

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CLEP Chemistry: Study Guide & Test Prep Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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