CSET Science Subtest II Chemistry (218): Practice & Study Guide  /  Science Courses

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Overview of Reactions in Chemistry 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!

Page 1

Question 1 1. In order for a chemical reaction to take place, what must occur?

Question 2 2. When two or more reactants combine to form one or more products, what has occurred?

Question 3 3. 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 4 4. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

Question 5 5. You are in the process of inventing an awesome dessert creation. It requires the combination of top ramen with a croissant to make a cromen. Very tasty to you and your friends, what type of reaction did you use in the developing phase of this food item?

Page 2

Question 6 6. What is another way to describe a synthesis reaction?

Question 7 7. How is reaction rate measured?

Question 8 8. Suppose you were teaching a science class to middle school students. Because you want to show them an impressive chemical reaction, you decide to dissolve zinc in hydrochloric acid. You add more acid than usual and throw in pieces of zinc. What factor is not going to impact the reaction rate?

Question 9 9. Automobile airbags inflate because of a decomposition reaction that releases _____ gas.

Question 10 10. Decomposition reactions _____ compounds.

Page 3

Question 11 11. Only species in the _____ state are included in the equilibrium constant calculations. _____ are omitted.

Question 12 12. Under the premise of a chemical equilibrium, which of the following can be presumed?

Question 13 13. What type of reaction is the following?

Question 14 14. What are the ions and the correct charges for the following compound:

Question 15 15. Which of the following combination reactions combine one element and one compound to form a new compound?

Page 4

Question 16 16. Which of the following combination reactions contains at least one compound in its reactants?

Question 17 17. How do the properties of the reactants compare to the properties of the products in a chemical reaction?

Question 18 18. What is a chemical reaction?

Question 19 19. Chemicals tend to always _______.

Question 20 20. The Gibbs free energy is ______.

Page 5

Question 21 21. What is an activated complex?

Question 22 22. What is a catalyst?

Question 23 23. When Fe replaces Cu in the following reaction, what will the ionic compound be that forms between Fe and SO4 ?

Question 24 24. Which of the following will occur, according to the activity series?

Question 25 25. When a bond forms, energy is given off to the surroundings. This is an example of

Page 6

Question 26 26. An example of an exothermic reaction is:

Question 27 27. What happens to the temperature of water as it boils?

Question 28 28. The ability to do work is defined as ...

Question 29 29. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 30 30. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Overview of Reactions in Chemistry 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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