SAMPLE FINAL (1)

# SAMPLE FINAL (1) - Name Date 1 The diameter of an atom is...

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Name: __________________________ Date: _____________ 1. The diameter of an atom is approximately 1 × 10 – 8 cm. What is this diameter when expressed in nanometers? A) 1 × 10 – 19 nm B) 1 × 10 – 15 nm C) 1 × 10 1 nm D) 1 × 10 – 10 nm E) 1 × 10 – 1 nm 2. How many milliliters is 0.005 L? A) 0.5 mL B) 5 mL C) 0.50 mL D) 0.000005 mL E) 200 mL 3. The SI prefixes giga and micro represent, respectively: A) 10 – 9 and 10 – 6 . B) 10 6 and 10 – 3 . C) 10 3 and 10 – 3 . D) 10 9 and 10 – 6 . E) 10 – 9 and 10 – 3 . 4. The SI prefixes kilo and centi represent, respectively: A) 10 3 and 10 – 2 . B) 10 6 and 10 - 1 . C) 10 - 3 and 10 – 2 . D) 10 – 6 and 10 2 . Page 1

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E) 10 2 and 10 – 3 . 5. Ammonia boils at –33.4ºC. What temperature is this in ºF? A) – 60.1ºF B) – 92.1ºF C) – 28.1ºF D) – 18.5ºF E) +13.5ºF 6. Which of the following represents the largest mass? A) 2.0 × 10 2 mg B) 0.0010 kg C) 1.0 × 10 5 µg D) 2.0 × 10 2 cg E) 10.0 dg 7. The highest temperature ever recorded in Phoenix, Arizona, was 122ºF. Express this temperature in ºC. A) 50ºC B) 64ºC C) 67ºC D) 162ºC E) 219ºC 8. How many significant figures does the result of the following sum contain? 8.52010 × 7.9 A) 2 B) 3 C) 4 Page 2
D) 5 E) 6 9. How many significant figures does the difference 218.7201 – 218.63 contain? A) 1 B) 2 C) 3 D) 5 E) 7 10. How many cubic inches are in 1.00 liter? A) 61.0 in 3 B) 155 in 3 C) 394 in 3 D) 1.64 × 10 4 in 3 E) none of them 11. How many cubic centimeters are there in exactly one cubic meter? A) 1 × 10 –6 cm 3 B) 1 × 10 –3 cm 3 C) 1 × 10 –2 cm 3 D) 1 × 10 4 cm 3 E) 1 × 10 6 cm 3 12. If the price of gasoline is \$1.14 per U.S. gallon, what is the cost per liter? (1 L = 1.06 qt) A) \$0.0434 /L B) \$4.83 /L Page 3

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C) \$0.302 /L D) \$0.269 /L E) \$1.07 /L 13. Bromine is a red liquid at 25ºC. Its density is 3.12 g/cm 3 . What is the volume of 28.1 g of liquid bromine? A) 87.7 cm 3 B) 0.111 cm 3 C) 9.01 cm 3 D) 28.1 cm 3 E) None of the above. 14. Which of the following speeds is the greatest? A) 40 mi/h B) 2.0 × 10 5 mm/min C) 40 km/h D) 0.74 km/min E) 400 m/min 15. The diameter of Earth is 12.7 Mm. Express this diameter in centimeters. A) 1.27 × 10 5 cm B) 1.27 × 10 6 cm C) 1.27 × 10 7 cm D) 1.27 × 10 8 cm E) 1.27 × 10 9 cm Page 4
16. The city of Los Angeles is now approximately 2400 miles south of Alaska. It is moving slowly northward as the San Andreas fault slides along. If Los Angeles is to arrive near Anchorage, Alaska, in 76 million years, at what average rate will it have to move in mm per month? A) 2.0 × 10 – 10 mm/mo. B) 6.6 × 10 – 6 mm/mo. C) 4.2 mm/mo. D) 9.5 mm/mo. E) 51 mm/mo. 18. Americans combined drive about 4.0 × 10 9 miles per day and their vehicles get an average of 20.0 miles per gallon of fuel used. For each 1 kg of gasoline that is burned, about 3.0 kg of carbon dioxide are produced. How many kilograms of CO 2 are emitted into the atmosphere each day by cars in the U.S.?

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SAMPLE FINAL (1) - Name Date 1 The diameter of an atom is...

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