1.5 Problem Set

  1. Dimensional analysis
    1. How many millimeters are in 1.31 inch?
    2. The density of a soil sample was 1.47 g/cm3. This is equivalent to how many kg/m3?
    3. 1 “acre furrow slice” is a volume of soil approximately 6.0 inches deep occupying exactly 1 acre (43,560 ft2) of land surface. Estimate the volume in m3.
  2.  Manipulation of exponents
    1. 106 × 102 = _____
    2. (102)1/3 = _____
    3. (10-5 × 103) ÷ 102 = _____
  3.  Scientific notations
    1. Write in scientific notations: 0.002413 and 24000
    2. Express 3.937 * 10-2 as a decimal number
    3. (7.2 × 105) ÷ (1.2 × 10-2) = _____
  4.  Logarithms
    1. Log10 50.0 = _____
    2. If pH = 7.42, what is the concentration of hydrogen ion?
    3. ln (10.) = _____
  5.  Algebraic manipulations. Solve for x.
    1. 5x + 2 = 12
    2. (12x + 24)/ 2 = 10 x
    3. (9 x – 2)/ 3 = (4 x + 1)/ 2
  6.  Significant figures
    1. Give the number of significant figures for: 240, 0.024, 0.0240, 240.0
    2. 2.540 – 1.31 = _____
    3. (2.540 × 102) × (1.31 × 10) = _____

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Rain or Shine Copyright © 2019 by Tyson Oschner is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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