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anonymous

  • one year ago

Carry out the following conversions. Enter your answers in scientific notation. (a) 238 amu to grams (b) 123 amu to kilograms (c) 3.07 A to meters (d) 1.67 A to nanometers

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  1. anonymous
    • one year ago
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    a) amu is in grams b)1000g=1kg c) 1A= is 1.0x10^-10m d) 1A=0.1nm

  2. anonymous
    • one year ago
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    How exactly would you convert these? Can you show me?

  3. anonymous
    • one year ago
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    amu=atomic mass. atomic mass is in grams therefore amu=grams

  4. anonymous
    • one year ago
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    What about the math portion? That is what I am confused about.

  5. anonymous
    • one year ago
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    Example: if p=4n and you want to figure out how many n are in 5p, then you would multiply 5*4n=20n

  6. anonymous
    • one year ago
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    |dw:1441070485841:dw| When multiply conversion makes the sure the denominator is equal to the numerator. You would cancel the units you are given to find the new amount of the new unit.

  7. anonymous
    • one year ago
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    So what numbers would you put where? Would the 123 amu go first as 5p

  8. anonymous
    • one year ago
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    No, this just an example. 5p is not involved.

  9. anonymous
    • one year ago
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    Read what I wrote above to convert amu to grams.

  10. anonymous
    • one year ago
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    I get that 123 amu * (?/1 amu)

  11. anonymous
    • one year ago
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    1amu=1g

  12. anonymous
    • one year ago
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    Read what I wrote above please. If you do not understand what i wrote above, ask me.

  13. anonymous
    • one year ago
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    Okay I read what you said again and I think I got it? I put 123 amu x (1g/ 1 amu) x ( 1000kg/ 1g) =123000

  14. anonymous
    • one year ago
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    1000g=1kg so 1g does not equal 1000 kg

  15. anonymous
    • one year ago
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    How much kg is in 1g then?

  16. anonymous
    • one year ago
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    .001kg

  17. anonymous
    • one year ago
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    You do this with a calculator and conversion. |dw:1441072287713:dw|

  18. anonymous
    • one year ago
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    Now solve it!

  19. anonymous
    • one year ago
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    Sorry. I'm still not doing it right. I got .123 somehow.

  20. anonymous
    • one year ago
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    Got to go in like 5min. I will do the third example for you. |dw:1441072497536:dw|

  21. anonymous
    • one year ago
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    3.0 x 10^-10m

  22. anonymous
    • one year ago
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    Dont forget units 0.123 kg is correct!

  23. anonymous
    • one year ago
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    Oh. Okay. Maybe I'm doing the scientific notation wrong on it then. I thought the math was wrong.

  24. anonymous
    • one year ago
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    Because I put 1.23 x 10^-1

  25. anonymous
    • one year ago
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    I skipped to d since b is giving me such a hard time and got 1.67 x 10^-1 as my answer.

  26. anonymous
    • one year ago
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    Thanks for the help. I got the answer for the b.

  27. anonymous
    • one year ago
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    b is 0.123 kg is correct! You got it correct.

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