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22,4 x 0,5 = 11,2
1 mol C2H6 da 5 mol gaz, 0,1 mol ile 0,5 mol gaz oluşur
2-) 2FeS2 + 11/2 O2 -> Fe2O3 + 4SO2
2Fe 2Fe
4S 4S
11 O 11 O
4FeS2 + 11O2 -> 2Fe2O3 + 8 SO2
* 2 mol FeS2 den 1 mol Fe2O3 oluşur (Doğru)
* 4 mol SO2 oluşur (Yanlış)
* 11O2 (Doğru)
3-) CaC2 + 2H20 -> C2H2 + Ca(OH)2
64 g. 36g. 26g. 74g.
1 mol C2H2 26g
x 1,3g
========================
x = 1,3/26 = 0,05 mol
CaC2 H20
64 x 0,05 = 3,2 g 36 x 0,05 = 1,8 g
B şıkkı
4-) X2 + 3Y2 -> 2XY3
4 molekül 2 molekül
8 atom 8 atom (Atom sayısı değişmez) (Molekül sayısı azalır)
5-) CO + 1/2O2 -> CO2
1 mol 22,4 lt
x 5,6 lt
==================
x = 0,25 mol
CO + 1/2O2 -> Co2
1 mol 0,5 mol 1 mol
1,5 mol 0,25 mol 0,5 mol
------
1 mol artar
1 mol Co2 44 g => 0,5 mol CO2 22 g
6-) CS2 + 3O2 -> 2SO2 + CO2
30 lt 30 lt 20 lt 10 lt oluşur.
10 lt
-----
20 lt artar
10 lt gaz kullanılır, toplam 30 lt gaz oluşur / toplam gaz hacmi azalır
I ve II doğru
7-) 3Mg + N2 -> Mg3N2
1,5mol 0,5 mol 0,5 mol
36 g 36 g dan
tükenir. 14 g harcanır
22 g artar
8-) C2H6O + 3O2 -> 2CO2 + 3H20
2C 2C 1,5mol
6H 2H
7O 5O
I - > 1,5 mol 33,6lt gaz kullanılır
II - > 0,5 mol kullanılır 1 mol 46g 23g
III -> 1mol 18g
1,5mol 27g
I yanlış
II doğru
III yanlış
9-) 33,6 lt 1,5 mol C2H4 + He
4(1,5 - x) + 28x = 30 C2H4 -> x mol
6 - 4x + 28x = 39 He -> 1,5 - x mol
24x = 24
x = 1
1 mol C2H4 28 g
30-28 = 2 g He
10-) CH4 N2H4
8g 6,72 lt 6,72 / 22,4 = 0,3 mol
16x + 32(0,3 -x ) = 8
16x + 9,6 -32x = 8
9,6 -16x = 8
16x = 1,6
x = 0,1 mol CH4 miktarı
0,3 - 0,1 = 0,2 mol N2H4
11-) CO + 1/2O2 - > CO2
60 lt 30lt
75-60 = 15 lt CO2 ilk karışımda
75 lt 15lt CO2
100 x
====================
x = %20
B şıkkı
12-) 2CxH8O + yO2 -> 8CO2 + zH2O
x = 4 z = 8 y = 11
8C 8C
16H 16H
24O
13-) 2Na + 2HCl -> 2NaCl + H2
0,3 0,3 23 x 0,3 = 6,9 g
D
14-) SO2 + 1/2O2 -> SO3
16 / 64 = 1/4 oranı var
4x = x+2,4
3x = 2,4
x = 0,8
2,4 + 0,8 = 3,2
O2 için 3,2 SO2 için 3,2 g
Toplam = 6,4 g
15-) 2NH3 -> N2 + 3H2
16lt 4lt 12lt
8lt fazla
16-) N2 + 3H2 -> 2NH3
6 mol 6mol 4mol oluşur
2mol kull.
4 mol artar I doğru II ve III yanlış
17-)C + CO2 -> 2CO D şıkkı
18-) C2H5OH + O2 -> 2CO2 + 3H2O
10 + 60 40 + 30
3
19-) 2CxHyNz + 15/2 O2 -> 4CO2 + 7H2O + N2
x = 5 4 C
y = 7 15O
z = 1 14H
2N
24 + 7 + 14 = 45
20-) 4NH3 + 6X -> 5Y + 6Z
3,4g 7g 5,4g
0,2mol 0,3 mol 0,25 0,3
0,3 mol 9
12,4 1 mol x
- 3,4 =================
----- x = 9/0,3 = 30 g
9
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