MnS+2HNO3=Mn(NO3)2+H2S(газ)
Hh-yddfiyou g-_-fragility? Tues
1. 2,3-диметилпентан
3-этилгексен-3
CH3 CH3
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2. CH3-CH-CH-CH-CH2-CH2-CH3
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CH2
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CH3
CH2-CH3
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CH≡C-CH-CH-CH2-CH3
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CH2-CH3
CH3
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3. CH2-CH-CH3 =(H2SO4, t°)⇒ CH2=C-CH3 + H2O
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OH CH3
Br
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CH2=C-CH3 + HBr ⇒ CH3=C-CH3
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CH3 CH3
CaCO3=CaO+CO2
m(CaCO3)чистого=150*0,93=139,5 г
n(CaCO3)=139,5/100=1.395 моль
n(CaCO3)=n(CO2)
V(CO2)=22,4*1,395=31,248 л
HCL+AgOH->AgCl+H2O
HCL+KOH->KCl+H20
2KCL->2K+Cl2