Page 60 - الكيمياء كتاب الطالب للصف 11 الفصل 1

a Fa ] £`q z5 0-a c>Va ¿ 1:M w, &a W>a ¿ ² yfy^a

_<
Û
¤]=9 D ^ C6 9 ³¹P : ± ³¹C: ± E R4:

˜E9 C6 : ± ¹±b: ± ´„b ¹P ²C ¦
˜“dgC=:=8 ± D C; ±’ E Ò¼b: ± E ¹C4: ± d E9 C6 : ± ¹±b: ± D E R4 ¦

ÎC

(II) ½C ; ± ´C b R8 E= b: ± E9 8 ± D ± ¤œ ³b2 ± W: Z (CuCO ) (II) ½C ; ± ´C b R ^ C6 ˜
3
Q M± Z –^ C6 9 ³¹úP : ± ³¹C: ± d C< b8 –(CuCl ) (II) ½C ; ± P »b9 ¶C ˆ (HCl) ] »b9 Ò»P=< ±
2
˜E ¹C4: ± d ´„b: ± ¹P »C „± d ¤E= Š± E ¹C4: ± \ Ò
(II) ½C ; ± ´C b R ` (1 mol) ĺ (II) ½C ; ± P »b9 ` (1 mol) CuCO (s) + 2HCl(aq) ĺ CuCl (aq) + H O(l) + CO (g)
3 2 2 2
63.5 + 12.0 + (3 × 16.0) ĺ 63.5 + (2 × 35.5) ^ C6 C P; H ; d ± (II) ½C ; ± P »b9 E9 D ±
123.5 g CuCO 134.5 g CuCl 2 ˜W: ± ` WgC Z (II) ½C ; ± ´C b R ` 24.7 g
3 ĺ
` H C; ± (II) ½C ; ± P »b9 E9 D ± ¤ ³b2 ±
¤ Û ^'±
(II) ½C ; ± ´C b R ` 24.7 g
˜E Ò¼b: ± E ¹C4: ± D ± ¤› ³b2 ±
134.5
24.7 g CuCO ĺ × 24.7 g CuCl
3 2 CuCO (s) + 2HCl(aq) ĺ CuCl (aq) + H O(l) + CO (g)
123.5 3 2 2 2
= 26.9 g

ÎC

c ¯ ¶C (Fe O ) ` 0.5 mol ^8 –±Õº¯ C< 9 (Fe O ) (III) P P ± P= ­ ` E;= F29 Ù ˜¡
2 3 2 3
3 _ Ò –9.36 g C< 9 (C) Ðb R8 ± ` E=: Z 79.8 g
0.5 × = 0.75 mol (C)
2 E ¹C4: C Nhb: ± ^ C6 ± µP ˜Áb9 : ± `=
“V7: ± E7 R ’ E9 P E7 R
¤E= Š±
E ،E ¹C4:9 dgC=:=8 ± D C; ± `
Fe O : C 2Fe O (s) + 3C(s) ĺ 4Fe(s) + 3CO (g)
2
2
3
2 3
2 : 3 b (III) P P ± P= ­ Э ´C C ± ϱP C N Û hÒ
˜^ C6 9 ³¹P : ± ³¹C: ±
0.5 mol : mol
(0.5 × 3) = 0.75 mol (C) ¤ Û ^'±
2
˜E9 C6 ³¹C ^ ´„b ¹P D ± ¤› ³b2 ±
79.8
¤E1gC6 ± ³¹C: ± d ? C: ¹P ¤ ³b2 ± (Fe O ) ´„b ¹P = (2 × 55.8) + (3 × 16.0) = 0.50 mol
3
2
E ¼ ± (C) ´„b ¹P § 0.75 mol
(C) ´„b ¹P § 9.36 = 0.78 mol
› ³b2 ± ` (C) ´„b ¹P § 0.78 mol 12
¤»±P7: E1gC6 ± ³¹C: ± b (C) –±Õº¯ ¤E ¹C4:9 dgC=:=8 ± D C; ± c ¯ R ­ ¤œ ³b2 ±
0.78 – 0.75 = 0.03 mol ` (3 mol) c ¯ ¶C (Fe O ) ` (2 mol) ^8
³¹C: ± b (III) P P ± P= ­ Ðb8 d C C 2 3 ˜(C)
˜^ C6 9 ³¹P : ±

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