Data Test Chapter 2 V2 10.22

19 Questions | Total Attempts: 110

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Data Test Chapter 2  V2 10.22

Questions and Answers
  • 1. 
    The SI unit for electric current is the __________
    • A. 

      Volt

    • B. 

      Ampersand

    • C. 

      Watt

    • D. 

      Ampere

    • E. 

      Kilowatt hour

    • F. 

      Stone

  • 2. 
    The SI unit for amount is the __________
    • A. 

      Mole

    • B. 

      Quantity

    • C. 

      Kilogram

    • D. 

      Gram

  • 3. 
    Aluminum has a density of 2.70 g/mL and zinc has a density of 7.13 g/ml. Therefore 10.0 g of zinc combined with 10.0 g of aluminum has a total volume of _______ L. (Be sure to give the total volume in liters, not milliliters). 
    • A. 

      5.11

    • B. 

      .00511

    • C. 

      5110

    • D. 

      98.3

  • 4. 
    The volume of 1.24 pounds of aluminum is __________ cubic inches. (453.6 grams = one pound, density of Al = 2.70 g/cm3, 1.00 cubic inch = 16.39 cubic centimeters). suggestion: convert from pounds to grams to cubic centimeters then to cubic inches. Use scrap paper and make sure all your units cancel.
    • A. 

      12.7

    • B. 

      14.7

    • C. 

      16.7

    • D. 

      18.7

  • 5. 
    In a mentos eruption experiment the measured eruption heights in three trials are 6.9, 6.71, and 7.25 bricks. What is the average height of the eruption in centimeters? Please report your answer using three significant figures. (1 brick = 6.50 cm)suggestion: take the average by adding up the data and dividing by exactly three. Consider how precise your answer should be.
    • A. 

      41 centimeters

    • B. 

      42.3 centimeters

    • C. 

      43 centimeters

    • D. 

      44.3 centimeters

    • E. 

      45.2 centimeters

  • 6. 
    A balloon of helium with a volume of 22.40 milliliters contains 4.03 milligrams of helium. Based on this data, what is the density of helium? Please be sure to include your units using grams per millliter
    • A. 

      0.170 grams per milliliter

    • B. 

      0.180 grams per milliliter

    • C. 

      180. grams per milliliter

  • 7. 
    What is the length of the object below, assuming the ruler is based on centimeters? Be sure to answer with the correct level of precision.
    • A. 

      1.3 cm

    • B. 

      1.4 cm

    • C. 

      1.35 cm

    • D. 

      1.347 cm

  • 8. 
    Which measurement uses proper S.I. Units?
    • A. 

      3 feet

    • B. 

      14 parsecs

    • C. 

      28 ounces

    • D. 

      3 meters

  • 9. 
    Give the number of significant figures in the number 60,402,000   
    • A. 

      8

    • B. 

      5

    • C. 

      3

    • D. 

      1

  • 10. 
    If I have 12 g of grass and it takes up 30 cubic centimeters, what is the density of the grass?
    • A. 

      0.4 g/cubic centimeter

    • B. 

      2.5 g/cubic centimeter

    • C. 

      360 g/cubic centimeter

    • D. 

      The information provided is not sufficient to draw a conclusion

  • 11. 
    Which substance has a higher density?substance a: density = 4.02 milligrams per millilitersubstance b: density = 403 nanograms per microliter
    • A. 

      Substance A

    • B. 

      Substance B

  • 12. 
    1.2 milliseconds = _____________ minutes. 
    • A. 

      612,000 minutes

    • B. 

      170. minutes

  • 13. 
    If I travel at 60.2 miles per hour for 17.13 hours, then double my speed to 120.4 miles per hour for 4.00 hours, how many kilometers will I have traveled? (1609 meters = 1 mile)suggestion: calculate each distance in miles, combine them, then convert to meters. Use scrap paper and do it out.
    • A. 

      243 kilometers

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