ORELA Chemistry: Scientific Research & Equipment 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. Successful analysis of your data will be influenced by which factor(s)?

Question 2 2. What are some examples of chemistry?

Question 3 3. Which best describes a population?

Question 4 4. Which rule keeps you from getting distracted by incorrect choices in a multiple-choice question?

Question 5 5. Which rule describes how you come to understand what a chart means and how to use it effectively?

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Question 6 6. What is the main difference between stratified sampling and cluster sampling?

Question 7 7. Which of the following is NOT true about science?

Question 8 8. What are the two key points of simple random sampling?

Question 9 9. You are measuring the volume of a liquid that is 20.31 mL. What are your certain digits in this measurement?

Question 10 10. Why should you wait for temperature to stabilize before taking a reading?

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Question 11 11. Which concepts would you NOT have needed to remember for the problem with the dialysis bags?

Question 12 12. One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?

Question 13 13. How many significant figures should the product of 1.2 x 1.4592 contain?

Question 14 14. Looking at the graph below, which of the following statements is NOT true?

Question 15 15. What would give you a more precise reading, a yard stick with feet as its smallest unit or a yard stick with inches as its smallest unit?

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Question 16 16. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL (to the nearest gram)?

Question 17 17. What is the density of a solid that has a mass of 9.2 grams and a volume of 12.3 cm^3? Would this object float or sink in water?

Question 18 18. What is kinetic energy?

Question 19 19. What is something that you need to consider when planning your experiment?

Question 20 20. Which best describes the field of chemistry?

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Question 21 21. How many significant figures are in the number 0.220?

Question 22 22. When measuring temperature, why should you keep your thermometer suspended in the system?

Question 23 23. You are conducting a political survey in a neighborhood and decide that after randomly selecting a start point, you will sample every 15th house on the street. What type of sampling will you be using for this survey?

Question 24 24. If you are measuring daily plant growth, which might be an appropriate tool to use to collect those measurements?

Question 25 25. Analytical chemists _____, while applied chemists _____.

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Question 26 26. Using the image provided, what conclusion can be made about the trend in the number of families over geologic time?

Question 27 27. Which of the following is a conversion factor?

Question 28 28. Which measurement has higher uncertainty?

Question 29 29. When is the best time to consider what analysis to examine your data with?

Question 30 30. How many significant figures are in 54,050?

ORELA Chemistry: Scientific Research & Equipment 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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