CHEM #6 homework (2)

CHEM #6 homework (2) - Module 8 EOC Assignment Part II...

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Module 8 EOC Assignment – Part II Chapter 23 - 34, 36, 38, 40, 44 Chpt23 #34 (1) Provide ALL of the given information. Include constants, density, conversion factors, etc. Gallium – 67 (t 1/2 = 78.25h) (1) State the goal of the problem. If you ingest a compound of Gallium – 67 containing 0.015mg of this isotope what mass (in milligrams) remains in your body after 13 days (1) List possible equations that may be used = . / K 0 693t1 ₂ = - lnAA0 kt (4) Solve the problem and explain the reason for each step of multiplication, division, addition, or subtraction. = . . K 0 69378 25h K = 8.856 x 10 -3 h -1 . = - . lnA0 015mg 2 76314 . = . A0 015mg 6 3093 x 10⁻² A = 9.46 x 10 ⁻⁴ mg = 9.5 x 10 ⁻⁴ mg (1) Explain why your answer makes physical and mathematical sense. Chpt23 #36 (1) Provide ALL of the given information. Include constants, density, conversion factors, etc.
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Module 8 EOC Assignment – Part II Chapter 23 - 34, 36, 38, 40, 44 Radon – 222 emits α particles and has a half-life of 3.82 days
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This note was uploaded on 11/16/2008 for the course CHM 152 taught by Professor Thomas during the Fall '08 term at Pima CC.

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CHEM #6 homework (2) - Module 8 EOC Assignment Part II...

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