1-1 Chapter 01 Chemistry: The Science of Change 1. What is a unifying principle that explains a body of experimental observations? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction Bl... ooms: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry 2. Which of the following is a tentative explanation for a set of observations? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction Blooms: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry 3. What is the term used for findings that are summarized based on a pattern or trend? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction Blooms: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry 4. Which of the following activities is not a part of good science? A. Proposing a theory B. Developing a hypothesis C. Making quantitative observations D. Designing experiments E. Indulging in speculation Blooms: 2. Understand Difficulty: Easy Gradable: automatic Subtopic: Scientific Method Topic: Study of Chemistry 5. Which of the following is a ‘substance’ according to the definition given in your textbook? A. Air B. Tap water C. Sea water D. Water E. Toothpaste Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Subtopic: Properties of Matter Topic: Study of Chemistry 1-2 6. Which of the following cannot be separated into simpler substances by chemical means? A. Element B. Emulsion C. Compound D. Homogeneous mixture E. Heterogeneous mixture Blooms: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Subtopic: Properties of Matter Topic: Study of Chemistry 7. If a liquid contains 60% sugar and 40% water throughout its composition then what is it called? A. Solute B. Compound C. Homogeneous mixture D. Heterogeneous mixture E. Solvent Blooms: 4. Analyze Difficulty: Medium Gradable: automatic Subtopic: Classification and States of Matter Subtopic: Properties of Matter Topic: Study of Chemistry 8. Which of the following does not have a uniform composition throughout? A. Element B. Compound C. Homogeneous mixture D. Heterogeneous mixture E. Solvent Blooms: 3. Apply Difficulty: Easy Gradable: automatic Subtopic: Classification and States of Matter Subtopic: Properties of Matter Topic: Study of Chemistry 9. Which of the following is not an SI base unit? A. Meter B. Ampere C. Second D. Gram E. Kelvin Blooms: 2. Understand Difficulty: Medium Gradable: automatic Subtopic: Measurement (SI Units) Topic: Study of Chemistry 10. The SI base unit of mass is A. mg. B. g. C. kg. D. metric ton. E. lb. Blooms: 1. Remember Difficulty: Medium Gradable: automatic Subtopic: Measurement (SI Units) Topic: Study of Chemistry 1-3 11. The SI prefix mega- (M) means A. 10–6 B. 10–3 C. 103 D. 106 E. 109 Blooms: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Measurement (SI Units) Topic: Study of Chemistry 12. The SI prefixes milli- and mega- represent, respectively A. 106 and 10–6 B. 10–3 and 106 C. 103 and 10–6 D. 10–3 and 109 E. 10–6 and 10–3 . Blooms: 1. Remember Difficulty: Medium Gradable: automatic Subtopic: Measurement (SI Units) Topic: Study of Chemistry 13. How many micrograms are in 65.3 kg? A. 0.653 μg B. 6.53 × 107 μg C. 6.53 × 104 μg D. 6.53 × 10–8 μg E. 6.53 × 1010 μg Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 14. A dose of medication was prescribed to be 35 microliters. Which of the following expresses that volume in centiliters? A. 3.5 × 105 cL B. 3.5 × 104 cL C. 3.5 cL D. 3.5 × 10–4 cL E. 3.5 × 10–3 cL Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 15. How many milliliters is 0.0055 L? A. 0.55 mL B. 5.5 mL C. 0.5 mL D. 0.0000055 mL E. 182 mL Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-4 16. How many hertz is 600.11 MHz? A. 6.0011 × 10–4 Hz B. 60.011 Hz C. 6.0011 × 106 Hz D. 6.0011 × 10–2 Hz E. 6.0011 × 108 Hz Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 17. The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters? A. 1.34 × 10–13 m B. 1.34 × 10–12 m C. 1.34 × 10–10 m D. 1.34 × 10–7 m E. 1.34 × 10–6 m Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 18. Which of these quantities represents the largest mass? A. 2.0 × 102 mg B. 0.0010 kg C. 1.0 × 105 μg D. 2.0 × 102 cg E. 10.0 dg Blooms: 4. Analyze Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Topic: Study of Chemistry 19. The mass of a sample is 550 milligrams. Which of the following expresses that mass in kilograms? A. 5.5 × 108 kg B. 5.5 × 105 kg C. 5.5 × 10–4 kg D. 5.5 × 10–6 kg E. 5.5 × 10–1 kg Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 20. The average distance between the Earth and the Moon is 240,000 miles. Express this distance in kilometers. (1 mi = 1609 m) A. 6.1 × 105 km B. 5.3 × 105 km C. 3.9 × 105 km D. 1.5 × 105 km E. 9.4 × 104 km Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-5 21. How many inches are in 382.5 cm? (1 in = 2.54 cm)? A. 150.6 in B. 6.641 × 10–3 in C. 151 in D. 971.6 in E. 972 in Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 22. How many cubic inches are in 1.00 liter? (1 in = 2.54 cm) A. 61.0 in3 B. 155 in3 C. 394 in3 D. 1.64 × 104 in3 E. none of them Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 23. How many inches are in 382.5 cm? (1 in = 2.54 cm) A. 150.6 in B. 6.641 × 10–3 in C. 151 in D. 971.6 in E. 972 in Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 24. Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to A. 16.4 in3 B. 6.45 in3 C. 0.394 in3 D. 0.155 in3 E. 0.0610 in3 Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 25. A large pizza has a diameter of 15 inches. Express this diameter in centimeters. (1 in = 2.54 cm) A. 38 cm B. 24 cm C. 18 cm D. 9.3 cm E. 5.9 cm Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-6 26. The average distance between the Earth and the Moon is 240,000 miles. Express this distance in meters. (1 mi = 1609 m) A. 6.1 × 105 m B. 5.3 × 105 m C. 3.9 × 108 m D. 1.5 × 105 m E. 9.4 × 104 m Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 27. What is the volume in milliliters of a 32.0 fl oz can of juice? (1 fl oz = 29.6 mL) A. 1.08 mL B. 947 mL C. 0.925 mL D. 0.95 mL E. 1.1 mL Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 28. How many mm3 are in 16.7 cm3? A. 1.67 × 10–5 mm3 B. 1.67 × 10–8 mm3 C. 1.67 × 107 mm3 D. 1.67 × 104 mm3 E. 1.67 × 10–4 mm3 Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 29. If a patient in the hospital is running a temperature of 39.5°C, what is this in degrees Fahrenheit? A. 99°F B. 101.3°F C. 102.4°F D. 103.1°F E. 104°F Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 30. If normal body temperature is 98.6°F then what is this in degrees Celsius? A. 34°C B. 35.5°C C. 36.4°C D. 37.0°C E. 38.7°C Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 1-7 31. Express 122.0°F in °C. A. 50.0°C B. 64.4°C C. 67.8°C D. 162.0°C E. 219.6°C Blooms: 3. Apply Difficulty: Medium Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 32. The boiling point for liquid helium is 4.0 K. What is the temperature in degrees Fahrenheit? A. –452.5°F B. –498.9°F C. –237.2°F D. 131.8°F E. 530.9°F Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 33. If the temperature is 38.0°F then what is the temperature in kelvins? A. 3.33 K B. 100.4 K C. 276.5 K D. 311.15 K E. 235.15 K Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 34. Dry ice (carbon dioxide) changes from a solid to a gas at –78.5°C. What is this temperature in °F? A. –173°F B. –12.6°F C. –109°F D. –75.6°F E. None of them is within 2°F of the right answer. Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry 35. The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees Fahrenheit? A. –127°F B. –289°F C. –321°F D. 177°F E. 662°F Blooms: 3. Apply Difficulty: Hard Gradable: automatic Subtopic: Dimensional Analysis Subtopic: Measurement (SI Units) Subtopic: Scientific Notation and Significant Figures Topic: Study of Chemistry [Show More]
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