AEPA Chemistry (NT306): Practice & Study Guide Final Exam

Free Practice Test Instructions:

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Question 1 1. Given the chemical reaction below, what is the minimum amount of phosphoric acid needed to completely react with 420 g of potassium hydroxide?

Question 2 2. Which of the following atom pairs is most likely to form an ionic bond?

Question 3 3. What is the molality of a 6.0 M HCl solution if it has a density of 1.1 × 10^3 grams per liter?

Question 4 4. If the reaction rate of a chemical reaction with only one reactant increases by four times when the concentration of the reactant is doubled, what is the order of the reaction?

Question 5 5. A high school biology class is designing an experiment to assess how much the variance in the daily amount of water sunflower plants receive impacts their height over a 30-day growth period. The temperature and sunlight conditions for the plants will be the same and each plant will receive an equivalent amount of fertilizer at the beginning of the experiment. What will be the independent variable in the experiment?

Question 6 6. How much energy is required to heat 16.5 kg of water from an initial temperature of 280 degrees Kelvin to a temperature of 295 degrees Kelvin?

Question 7 7. If the pH of an aqueous HCl solution is 1.4, what is the concentration of OH^- ions in the solution?

Question 8 8. What is the oxidation state of the Mg atom in MgCl2 in the following redox reaction?

Question 9 9. Which of the following atoms possesses the greatest electronegativity?

Question 10 10. The freezing point of toluene at 1 atmosphere pressure is -95 degrees Celsius. What is the equivalent temperature in units of degrees Kelvin?

Question 11 11. How many electrons are in the 3p subshell of a single argon atom?

Question 12 12. How many nitrogen atoms are contained in 13 moles of gaseous nitrogen molecules?

Question 13 13. Radium-226 (Ra-226) has a half-life of 1,600 years. If the initial amount of Ra-226 in a sealed container is 5,400 kilograms, how much will remain after 1,000 years?

Question 14 14. A pressurized tank contains 75 cubic meters of oxygen at a pressure of 5,000 mmHg and a temperature of 293 Kelvin degrees. What is the mass of oxygen in the tank?

Question 15 15. Which of the following statements is true regarding phase diagrams of pure substances?

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AEPA Chemistry (NT306): Practice & Study Guide 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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