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Physical Science - Understanding Matter: 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. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 2 2. What manufacturing industry regularly uses or produces products that are racemic mixtures?

Question 3 3. Which of the following is a double-replacement reaction?

Question 4 4.

Consider the reaction:

Mg +CuCl2 = MgCl2 + Cu

Which type of reaction is shown above?

Question 5 5. What are the characteristics of a liquid?

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Question 6 6. Based on Avogadro's number, which of the following is NOT true?

Question 7 7. What is NOT something that you would find on a phase diagram?

Question 8 8. What is NOT something that a phase equilibrium line shows?

Question 9 9. What is a dipole-dipole force?

Question 10 10. What happens to substances in a heterogeneous mixture after they are mixed?

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Question 11 11. Identify which general equation is a combination reaction.

Question 12 12. You performed paper chromatography on some marker ink and found that one of the pigments had a retention factor of 0.25. The total distance the solvent traveled was 8.0 cm. How far did the pigment travel?

Question 13 13. Homogeneous mixtures are also called

Question 14 14. Substances in which phase of matter have the most space between its particles?

Question 15 15. Which of the following is most likely to lead to a phase change?

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Question 16 16. Which type of reaction always requires oxygen to be a reactant?

Question 17 17. What are the properties of a solid?

Question 18 18. How might a pure enantiomer differ from a racemic mixture?

Question 19 19. Alcohol and water are best separated from one another by:

Question 20 20. _____ properties of matter can be determined without changing composition, while _____ properties of matter must change the composition of matter.

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Question 21 21. Gas can be turned into a plasma on Earth with the addition of:

Question 22 22. Enthalpy change is

Question 23 23. Mayonnaise contains particles mixed together that do not settle out but can be separated by chemical means. What is mayonnaise?

Question 24 24. Which of the following is NOT a characteristic of solid particles?

Question 25 25. What was the Kinetic Molecular Theory designed to explain?

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Question 26 26. An example of condensation is:

Question 27 27. Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.

Question 28 28. What is the correct term for a 50:50 mixture of two enantiomers?

Question 29 29. A heterogeneous mixture is:

Question 30 30. When a bond forms, this is an example of

Physical Science - Understanding Matter: Homework Help Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

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