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28Γ—0.8=22.4

CH4 O2
16 32
22.4
9.6 6.4

CH4+2O2------CO2+2H2O
1---------2----------1
3.2=x--6.4----------3.2

9.6-3.2=6.4Γ—16=102.4 CH4
3.2Γ—44=140.8 CO2
6.4+3.2=9.6
102.4+140.8=243.2/9.6=25.33333
25.33333/17=14.9

#C
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Javobi nito chqyabdi
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56/22.4=2.5
x+y=2.5
17x+44y=66
27y=23.5
y=0.87Γ—22.4=19.5
x= 1.63Γ—22.4=36.5

#A
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259ga yordam kk
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28Γ—0.923+29Γ—0.047+30Γ—0.03
------------------------‐----------------------=28.1
1
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KHSO3 2.8-------------1000 1.4=x-----------500ml 500+200+300=1000 1000------0.8 1000---x=0.8 KHSO3 qolgan 1.4-0.8=0.6 KHSO3 Reaksiyaga kirgan KHSO3+KOH----K2SO3+H2O 1-------------1 0.6-----x=0.6 300ml--------0.6 1000------x=2 mol/l #A
Birinchi yechimni 33 ta odam korgan nega 33 ta obunachi yo'q πŸ˜’
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57 blan 58 diyam korberila
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3H2. 1N2

3Γ—0.2=0.6

N2+3H2-----------2NH3
1-----3-------------------2
0.2=x0.6---------x=0.4

1-0.3Γ·0.8 N2
3-0.6=2.4 H2
0.4=NH3
0.7+2.4+0.4=3.6 -------100
0.8 ----x= 22.2 N2
2.4---x= 66.7 H2
0.4---x= 11.1

#A
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33 ni korvorila
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4.25Γ—160=680

680/40=17
#C
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1) 4FeS2+11O2-------2Fe2O3+8SO2
480----‐-‐------------------------512
512Γ—0.667=343.04 SO2 hosil bolgan

2)
2SO2+O2-----2SO3
128------------------160
343.04---------x=428.8Γ—0.75=321.6 h.b




3) 1.5SO3+H2O-----H2SO4Γ—0.5SO3
120-----------------------138
321.6-----------------x=369.84

369.84Γ—0.8=295.8

4) 480-295.872=184.2

5) 184.2---------480
69.6---------x=181 180 olsek boloradi
#B
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75 ni korib berilar
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250Γ—0.12=30 tuz
250+150=400

400----------100%
30--------x=7.5%
#A
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36 ni korb berila
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14 1 1 14
N+ n------- Γ¨+ C
7 0 1 6

#D
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10 misoldi javobi bormi sΓ²rashyapti
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300:0.5=600 ml
100:1.3=76.9 ml
600+76.9=676.9ml
300+100=400gr
400/676.9=0.6
#A
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