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Prentice Hall Chemistry Chapter 18: Reaction Rates and Equilibrium Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. The aging of our bodies over time is an example of which of the following?

Question 2 2. What is likely the most important factor for life on Earth?

Question 3 3. The correct equation for finding the equilibrium constant is:

Question 4 4. If you wanted to decrease the rate of reaction, what action would you need to take?

Question 5 5. What is the rate law?

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Question 6 6. What is the Ksp of the reaction AB = A + B if the solution contains 0.2 mol/L of A ions and 0.2 mol/L of B ions?

Question 7 7. In the reaction A = B, if the rate quadruples for every doubling of A, then what is the reaction order?

Question 8 8. What is a saturated solution?

Question 9 9. What is chemical equilibrium?

Question 10 10. A + B is in equilibrium with AB. If concentration of A is 2, the concentration of B is 4 and the concentration of AB is 8, what is the Keq?

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Question 11 11. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

Question 12 12. Why is photosynthesis an important process?

Question 13 13. For the reaction A + B makes product C, what is the reaction quotient if the amount of A is 2, B is 3 and C is 8?

Question 14 14. What does the m stand for in the rate law equation?

Question 15 15. Which best describes photosynthesis?

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Question 16 16. What does an increase in temperature do to the reaction rate?

Question 17 17. Which of the following is the best example of The Second Law of Thermodynamics?

Question 18 18. An example of a reversible reaction is shown by which of the following?

Question 19 19. Calculate the value of the equilibrium constant, K, for the system below, if 0.0954 moles of CO2, 0.0454 moles of H2, 0.0046 moles of CO, and 0.0046 moles of H2O vapor were present in a 1.00 L reaction vessel at equilibrium.

Question 20 20. What does the k stand for in the rate law equation?

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Question 21 21. What important thing do autotrophs do?

Question 22 22. What will be the result if heat is added to an endothermic reaction?

Question 23 23. What makes the statement 'the presence of a catalyst will slow down a reaction' incorrect?

Question 24 24. How is reaction rate measured?

Question 25 25. What is Ksp?

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Question 26 26. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 27 27. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Question 28 28. Which of the following is the best definition of entropy?

Question 29 29. What does the reaction quotient determine?

Question 30 30. If a scientist is trying to determine the reaction order for a given reaction, then what's the most effective means to figure it out?

Prentice Hall Chemistry Chapter 18: Reaction Rates and Equilibrium Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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