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Chemical Reactions: Homework Help 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. Which of the following equations is exothermic?

Question 2 2. The substance that is reduced in a reaction is also called _____.

Question 3 3. In redox reactions, how are oxygen atoms generally balanced?

Question 4 4. What is the hydronium ion concentration in a solution that is 1.0 x 10-3 M HNO3?

Question 5 5. What is NOT an example of an acid base reaction?

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Question 6 6. How is the activity of an element different for non-metals vs. metals?

Question 7 7. What is the formula for determining [OH-] in a solution when given the concentration of the solution?

Question 8 8. What is an Arrhenius acid?

Question 9 9. When metals and non-metals other than oxygen react, what is formed?

Question 10 10. What is a net ionic equation?

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Question 11 11. Consider the following reaction: ABC + energy = AB + BC. Which type of reaction is this?

Question 12 12. What is the concentration of hydronium and hydroxide ions in pure water?

Question 13 13. A lab technician immerses an Arrhenius base in a beaker of water. What sort of ions would the lab technician find in the beaker?

Question 14 14. What is the pH of your solution if [H3O+] = 1 x 10^-4?

Question 15 15. What is a telling physical characteristic of a coordinated compound?

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Question 16 16. According to Bronsted and Lowry, what is a base?

Question 17 17. Ionization is

Question 18 18. What is the oxidation number for each atom in NH4+?

Question 19 19. Which of the following shows a net ionic equation?

Question 20 20. Donna noticed that as she was creating a solution, an acid was formed when a base gained a proton. Which of the following is Donna noticing?

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Question 21 21. When two non-metals react, what do they form?

Question 22 22. What are the oxidation numbers of the atoms in the compound CF4?

Question 23 23. Select the balanced reaction that shows combustion of pentane (C5 H12)

Question 24 24. What are solubility rules?

Question 25 25. What are all of the components of an electrochemical cell?

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Question 26 26. What is a cathode?

Question 27 27. How is the Bronsted-Lowry definition of an acid different from the Arrhenius definition?

Question 28 28. Which equation is correctly labeled oxidation or reduction?

Question 29 29. What is the correct formula for determining the voltage of an electrochemical cell?

Question 30 30. Which formula determines the final energy of a reaction?

Chemical Reactions: Homework Help 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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