دليل المتدرب -...

download دليل المتدرب - elearning.moe.gov.egelearning.moe.gov.eg/sec/semester2/Grade3/models/2017/chemistry/... · Title: دليل المتدرب Author: اعداد Subject: التدريب

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    1400 0C

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    7 XYX

    Y

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    9 0.1 M0.02 mol / L

    pOH

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    10

    atom g X3 F

    X2O3

    X2O

    XO2

    XO

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    12

    -

    -

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    +7

    +5

    +4

    +3

    +2

    30 26 25 24 23 21

    1315

    3131

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    16

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    BaCl2 XH2O 2.9603 g

    2.3923 g

    Ba =137 , C =35.5 , O = 16 , H = 1

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    II

    II

    III

    III

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    pH5.5

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    IIIIII

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    -

    -

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    CH3COOH CH3COO- + H

    +

    HC

    3435

    74 g mol

    C = 12 , O = 16 , H = 1

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    A H2SO4 C2

    B

    C K2Cr2O7

    A , B

    A pH7

    2000CB

    K2Cr2O7

    A , B

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    37

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    -

    -

    41 H2SO4

    42

    2 mol

    2,1

    2,1

    2,2

    2,2

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    10000 CAuC3

    Au = 196.89 u , C = 35.5 u ]

    -

    -

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    45 KP

    N2(g) + 3H2(g) 2NH3(g)

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