Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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| QUESTION | ANSWER |
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1. Perform the following conversions.
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1.
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3. Perform the following conversions.
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3.
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5. Convert 0 K to degrees Celsius. What is the significance of the temperature in degrees Celsius? |
5. −273°C. This is the lowest possible temperature in degrees Celsius. |
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7. The hottest temperature ever recorded on the surface of the earth was 136°F in Libya in 1922. What is the temperature in degrees Celsius and in kelvins? |
7. 57.8°C; 331 K |
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9. Give at least three possible units for density. |
9. g/mL, g/L, and kg/L (answers will vary) |
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11. A sample of iron has a volume of 48.2 cm3. What is its mass? |
11. 379 g |
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13. The volume of hydrogen used by the Hindenburg, the German airship that exploded in New Jersey in 1937, was 2.000 × 108 L. If hydrogen gas has a density of 0.0899 g/L, what mass of hydrogen was used by the airship? |
13. 1.80 × 107 g |
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15. A typical engagement ring has 0.77 cm3 of gold. What mass of gold is present? |
15. 15 g |
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17. What is the volume of 100.0 g of lead if lead has a density of 11.34 g/cm3? |
17. 8.818 cm3 |
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19. What is the volume in liters of 222 g of neon if neon has a density of 0.900 g/L? |
19. 247 L |
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21. Which has the greater volume, 100.0 g of iron (d = 7.87 g/cm3) or 75.0 g of gold (d = 19.3 g/cm3)? |
21. The 100.0 g of iron has the greater volume. |