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Irfan High School Sawfar's Forum

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    Grade 9 students are preparing a galvanic cell

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    • مساهمة رقم 1

    Grade 9 students are preparing a galvanic cell Empty Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Guest الجمعة يناير 16, 2009 3:30 am

    [img]Grade 9 students are preparing a galvanic cell Image013[/img]
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    • مساهمة رقم 2

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Guest الجمعة يناير 16, 2009 3:33 am

    [img]Grade 9 students are preparing a galvanic cell Image014[/img]
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    Razan Hatoum
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    انثى Number of posts : 15
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    Location : Lebanon , Qernayel
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    • مساهمة رقم 3

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 16, 2009 7:35 pm

    Nice Smile
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    • مساهمة رقم 4

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Guest الثلاثاء يناير 20, 2009 4:43 am

    Thanks for your comment.What about adding useful information about this concept? waiting for it....
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    points :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 5

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 2:30 am

    Yes For Sure ....
    Information coming soooooon Smile
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    انثى Number of posts : 15
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    points :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 6

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 3:30 am

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    انثى Number of posts : 15
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    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 7

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 3:34 am

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    انثى Number of posts : 15
    Age : 29
    Location : Lebanon , Qernayel
    points :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

    Forum\'s Respect :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 8

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 4:09 am

    GALVANIC CELL
    Galvanic cell (also called voltaic cell) uses chemical reaction to produce electrical energy (flow of electrons).

    Electrons will not flow in the following apparatus:Grade 9 students are preparing a galvanic cell Zncu311

    But if reaction carried out in the apparatus shown in this Fig . (Cu/Ag system), electrons are transferred from Zn° to Cu+2 through a wire producing electrical energy.Grade 9 students are preparing a galvanic cell Zncudg10
    The salt bridge is necessary to complete the circuit and maintain charge neutrality.
    Zn+2 Grade 9 students are preparing a galvanic cell Arrow cathode
    SO4-2 Grade 9 students are preparing a galvanic cell Arrow anode
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    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 9

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 4:17 am

    AnodeCathode
    Oxidation occursReduction occurs
    Eectrons producedElectrons are consumed
    Anions migrate towardCations migrate toward
    Has negative signHas positive sign

    Shorthand Notation for:
    Zn° + Cu+2Grade 9 students are preparing a galvanic cell ArrowZn+2 + Cu°
    Grade 9 students are preparing a galvanic cell Short10
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    انثى Number of posts : 15
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    points :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

    Forum\'s Respect :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 10

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum الجمعة يناير 23, 2009 4:19 am

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    • مساهمة رقم 11

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Guest السبت يناير 24, 2009 7:23 am

    Thanks ,thanks ....really amazing. I liked the video a lot ,it will be a great help for all your friends .
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    انثى Number of posts : 15
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    Location : Lebanon , Qernayel
    points :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

    Forum\'s Respect :
    Grade 9 students are preparing a galvanic cell Left_bar_bleue0 / 1000 / 100Grade 9 students are preparing a galvanic cell Right_bar_bleue

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    • مساهمة رقم 12

    Grade 9 students are preparing a galvanic cell Empty رد: Grade 9 students are preparing a galvanic cell

    مُساهمة من طرف Razan Hatoum السبت يناير 24, 2009 1:22 pm

    Your Welcome teacher Smile
    Yes and the video really it helped me to understand the lesson more !!
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