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ashna

  • 2 years ago

Calculate the volume occupied (a) 16 g of O2. (b) 1.5 mole of N2. (c) 6.02 * 10^20 molecules.

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  1. waterineyes
    • 2 years ago
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    Volume occupied?? Level of difficultly increasing for me with each your question.. Ha ha ha..

  2. ashna
    • 2 years ago
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    :P .. so we'll both study together !

  3. waterineyes
    • 2 years ago
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    1 mole of 02 = 22.4 L

  4. waterineyes
    • 2 years ago
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    Would we use this concept here ??

  5. ashna
    • 2 years ago
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    okay .. is this like one mole = 6.023810^23 molecules . mole of an atom or compound = 22.4 L ?

  6. ashna
    • 2 years ago
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    lol .. you asking me ?

  7. waterineyes
    • 2 years ago
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    No I am not asking.. Ha ha ha..

  8. ashna
    • 2 years ago
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    then ?

  9. waterineyes
    • 2 years ago
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    Use this: 1 mole of 02 = 22.4 L 32g = 22.4 find for 16 g..

  10. waterineyes
    • 2 years ago
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    Again 16g is half of 32g remember..

  11. ashna
    • 2 years ago
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    okay .. so 22.4 * 16 / 32 = 358.4/32 = 11.2 L correct ?

  12. ashna
    • 2 years ago
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    @waterineyes

  13. waterineyes
    • 2 years ago
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    Yep..

  14. ashna
    • 2 years ago
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    okay :)

  15. waterineyes
    • 2 years ago
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    Do the same for b part..

  16. ashna
    • 2 years ago
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    okay !

  17. waterineyes
    • 2 years ago
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    Do not convert that into grams..

  18. ashna
    • 2 years ago
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    |dw:1345182838119:dw|

  19. waterineyes
    • 2 years ago
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    Well Done...

  20. ashna
    • 2 years ago
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    :D

  21. waterineyes
    • 2 years ago
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    I think you can do for third one also..

  22. ashna
    • 2 years ago
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    let me try !

  23. waterineyes
    • 2 years ago
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    Sure take your time..

  24. ashna
    • 2 years ago
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    |dw:1345183076192:dw||dw:1345183267780:dw|

  25. ashna
    • 2 years ago
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    my hand writing is not so worse actually !

  26. ashna
    • 2 years ago
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    @waterineyes checking time :P

  27. waterineyes
    • 2 years ago
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    Then give me that. Ha ha ha..

  28. ashna
    • 2 years ago
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    what ? .. the hand writing ?

  29. ashna
    • 2 years ago
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    is my answer correct ?

  30. waterineyes
    • 2 years ago
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    Small mistake can you find out ?? Give me that checking time..

  31. ashna
    • 2 years ago
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    oh .. take it :)

  32. waterineyes
    • 2 years ago
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    Can you find your mistake?? Look for very last step you did ..

  33. ashna
    • 2 years ago
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    no .. :/

  34. ashna
    • 2 years ago
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    its not the whole divided huh ?

  35. ashna
    • 2 years ago
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    you better say :)

  36. waterineyes
    • 2 years ago
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    You did the steps correctly. But there is mistake in solving part..

  37. waterineyes
    • 2 years ago
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    \[\frac{22.4}{1000} = ??\]

  38. ashna
    • 2 years ago
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    0.0224

  39. ashna
    • 2 years ago
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    is'nt it 22.4 / 100 ?

  40. waterineyes
    • 2 years ago
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    |dw:1345183883219:dw|

  41. ashna
    • 2 years ago
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    wow .. am scared !

  42. waterineyes
    • 2 years ago
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    \[\large \frac{10^{20}}{10^{23}} = ??\]

  43. ashna
    • 2 years ago
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    okay .. 1000

  44. waterineyes
    • 2 years ago
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    Be careful: \[\large \frac{x^a}{x^b} = x^{a-b}\]

  45. waterineyes
    • 2 years ago
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    It is not 1000 but 1/1000..

  46. ashna
    • 2 years ago
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    okay !

  47. ashna
    • 2 years ago
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    thanks :D

  48. waterineyes
    • 2 years ago
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    Welcome dear..

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