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Zn + 2 HCl = ZnCl2 + H2
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr3(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
3 PbCrO4 + 24 HCl + 12 FeSO4 = 3 PbCl2 + Cr3(SO4)3 + 6 FeCl3 + 12 H2O + 3 Fe2(SO4)3
C3H8 + O2 = CO2 + H2O7 =>
C3H8 + 17 O2 = 3 CO2 + 4 H2O7
CaCO3(s) + HNO3(aq) = H2CO3(aq) + Ca(NO3)2(aq) =>
CaCO3(s) + 2 HNO3(aq) = H2CO3(aq) + Ca(NO3)2(aq)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Ba = Ba(oh)2 = BaCl = BaSo4 =>
2 Ba = Ba(oh)2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3C + O2 = CO2 + H2O =>
4 H3C + 7 O2 = 4 CO2 + 6 H2O
K + Ba(OH)2 = KOH + Ba =>
2 K + Ba(OH)2 = 2 KOH + Ba
Ba(OH)2 + Na(OH) = Na(OH)2 + Ba(OH) =>
Ba(OH)2 + Na(OH) = Na(OH)2 + Ba(OH)
Br + CH3CH3 = C2Br6 + H2 =>
6 Br + CH3CH3 = C2Br6 + 3 H2
(CH3(CH2)2CH3) + O2 = CO2 + H26 =>
13(CH3(CH2)2CH3) + 52 O2 = 52 CO2 + 5 H26
LiH = Li + H2 =>
2 LiH = 2 Li + H2
Na + Cl + AgNO3 = NaNO3 + AgCl =>
Na + Cl + AgNO3 = NaNO3 + AgCl
C5H7NO2 + O2 = CO2 + H2O + NH3 =>
C5H7NO2 + 5 O2 = 5 CO2 + 2 H2O + NH3
NH4OH + (COOH)2 = CONH2 + H2O =>
2 NH4OH + (COOH)2 = 2 CONH2 + 4 H2O
NO2{-} + H2NCONH2 = N2 + CO2 + H2O + OH{-} =>
2 NO2{-} + H2NCONH2 = 2 N2 + CO2 + H2O + 2 OH{-}
K8 + P9 = K7P2 =>
63 K8 + 16 P9 = 72 K7P2
OBa + H2O = Ba(OH)2 =>
OBa + H2O = Ba(OH)2
H4SnO4 + HCl = Cl4Sn + H2O =>
H4SnO4 + 4 HCl = Cl4Sn + 4 H2O
CH4 + Br = CH3 + BrH =>
CH4 + Br = CH3 + BrH
C19H29COONa + KAl(SO4)2 = (C19H29COO)3Al + K2SO4 + Na2SO4 =>
6 C19H29COONa + 2 KAl(SO4)2 = 2(C19H29COO)3Al + K2SO4 + 3 Na2SO4
Al2O3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al2O3 + 2 NaHCO3 = 2 NaAlO2 + H2O + 2 CO2
Sn(s) + HNO3(ag) = SnO2 + NO2(g) + H2O(g) =>
Sn(s) + 4 HNO3(ag) = SnO2 + 4 NO2(g) + 2 H2O(g)
MnO4 + HBr = MnBr + HO4 =>
MnO4 + HBr = MnBr + HO4
HOCl + KI = HOI + KCl =>
HOCl + KI = HOI + KCl
CaCl2 + CH3CH2OH = CaCl2(CH3CH2OH)4 =>
CaCl2 + 4 CH3CH2OH = CaCl2(CH3CH2OH)4
Mn + Br2 = Mn2Br3 =>
4 Mn + 3 Br2 = 2 Mn2Br3
CrCl3(H2O)6 + NH3 + C5H8O2 = Cr(C5H7O2)3 + H2O + NH4Cl =>
CrCl3(H2O)6 + 3 NH3 + 3 C5H8O2 = Cr(C5H7O2)3 + 6 H2O + 3 NH4Cl
сера + озон = диоксидсеры =>
3 S + 2 O3 = 3 SO2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SrCO3 + Na2CO3 + Mn2O3 + IrO2 = Sr2NaMnIrO6 + CO2 =>
4 SrCO3 + Na2CO3 + Mn2O3 + 2 IrO2 = 2 Sr2NaMnIrO6 + 5 CO2
C6H12N4 + HCl + H2O = CH2O + NH4Cl =>
C6H12N4 + 4 HCl + 6 H2O = 6 CH2O + 4 NH4Cl
Na(PO4) + FeCl3 = NaCl + Fe(PO4)3 =>
3 Na(PO4) + FeCl3 = 3 NaCl + Fe(PO4)3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Fe + ZnSO4 = Fe(SO4)2 + Zn =>
Fe + 2 ZnSO4 = Fe(SO4)2 + 2 Zn
ZnCl2 + FeH + NH4SCN = Cl2 + Fe(SCN) + ZnNH5 =>
ZnCl2 + FeH + NH4SCN = Cl2 + Fe(SCN) + ZnNH5
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Ag2S + Cl2 = Cl2S + Ag =>
Ag2S + Cl2 = Cl2S + 2 Ag
Br2 + NaOH = BrNa + BrO3Na + H2O =>
3 Br2 + 6 NaOH = 5 BrNa + BrO3Na + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cr2O3 + O2 + H2CO3 = H2CrO4 + CO2 =>
2 Cr2O3 + 3 O2 + 4 H2CO3 = 4 H2CrO4 + 4 CO2
MgSO4 + C9H6NOH = Mg(C9H6NO)2 + H2SO4 =>
MgSO4 + 2 C9H6NOH = Mg(C9H6NO)2 + H2SO4
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + KCl =>
CaCl2 + K4[Fe(CN)6] + NH4Cl = CaKNH4[Fe(CN)6] + 3 KCl
Ca + H2SO4(conc) = CaSO4 + H2O + SO2 =>
Ca + 2 H2SO4(conc) = CaSO4 + 2 H2O + SO2
C5H11NO2S + O2 = CO2 + H2O + NO2 + SO2 =>
4 C5H11NO2S + 35 O2 = 20 CO2 + 22 H2O + 4 NO2 + 4 SO2
Sn(s) + HCl(aq) = SnH2(aq) + Cl2(g) =>
Sn(s) + 2 HCl(aq) = SnH2(aq) + Cl2(g)
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