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Properties of Matter 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. Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.

Question 2 2. If a substance has a half-life of 5 years, then how much of the initial sample remains after 15 years?

Question 3 3. Conservation of matter means that:

Question 4 4. How many moles of N2 are needed to produce 18 moles NH3 in the reaction N2 + 3H2 = 2NH3?

Question 5 5. What does it mean when the enthalpy change for a reaction is negative?

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Question 6 6. How many moles of Na are needed to produce 15 moles of NaCl in the reaction 2Na + Cl2 = 2NaCl?

Question 7 7.

Consider the reaction:

Mg +CuCl2 = MgCl2 + Cu

Which type of reaction is shown above?

Question 8 8. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 9 9. What is a coefficient?

Question 10 10. Enthalpy change is

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Question 11 11. The phase change when gas turns directly into a solid is called:

Question 12 12. The charges on beta particles, alpha particles and gamma rays are _____ respectively.

Question 13 13. Identify which general equation is a combination reaction.

Question 14 14. Which type of reaction always requires oxygen to be a reactant?

Question 15 15. An example of condensation is:

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Question 16 16. When a bond forms, this is an example of

Question 17 17. The ability of iron to react to oxygen is an example of _____

Question 18 18. What are the properties of a solid?

Question 19 19. When does nuclear fusion occur?

Question 20 20. An endothermic reaction is:

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Question 21 21. How is a mole ratio used?

Question 22 22. Which of the following is a chemical property of the element hydrogen?

Question 23 23. Cobalt-57 has a half-life of about 272 days. If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, then how many half-lives passed?

Question 24 24. A piece of pencil graphite (made of carbon atoms) has a mass of 0.12 grams. How many moles of carbon atoms are in the lead?

Question 25 25. Carbon-10 has a half-life of about 19 seconds. How many half-lives does it undergo in 2 minutes and 32 seconds?

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Question 26 26. What are the characteristics of a liquid?

Question 27 27. A piece of copper wire contains 5 moles of copper atoms. What is its mass?

Question 28 28. Which type of reaction is involved with nuclear reactors?

Question 29 29. A sample of thulium-171 has a mass of 0.4055 grams. How much is left after 6 half-lives?

Question 30 30. Ocean water is a good example of a mixture because _____

Properties of Matter 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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