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2 NiCl2 + 2 H2S = Ni2S2 + 4 HCl
RbF = Rb + F4 =>
4 RbF = 4 Rb + F4
FC6H4COOH + O2 = CO2 + H2O + HF =>
FC6H4COOH + 7 O2 = 7 CO2 + 2 H2O + HF
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
HCOOH + Na = HCOONa + H =>
HCOOH + Na = HCOONa + H
HCl + Al2(SO2)3 = Al2Cl + SO2 + H2 =>
2 HCl + 2 Al2(SO2)3 = 2 Al2Cl + 6 SO2 + H2
HCOOH + CO2 = HOOCCOOH =>
HCOOH + CO2 = HOOCCOOH
SF3 = S8 + F2 =>
8 SF3 = S8 + 12 F2
KMnO4 + Fe(OH)2 + H2O = MnO2 + Fe(OH)3 + KOH =>
KMnO4 + 3 Fe(OH)2 + 2 H2O = MnO2 + 3 Fe(OH)3 + KOH
C4H10(s) + O2(s) = CO2(s) + H2O(s) =>
2 C4H10(s) + 13 O2(s) = 8 CO2(s) + 10 H2O(s)
HF + HNO3 = FNO2 + H2O =>
HF + HNO3 = FNO2 + H2O
NH3 + KNO2 = N2 + H2O + KOH =>
NH3 + KNO2 = N2 + H2O + KOH
Cu2Te + Al2(CO3)3 = Cu2CO3 + Al2Te3 =>
3 Cu2Te + Al2(CO3)3 = 3 Cu2CO3 + Al2Te3
Zn + Ba(OH)2 = Zn(OH)2 + Ba =>
Zn + Ba(OH)2 = Zn(OH)2 + Ba
SO2 + FeS = FeS2 + Fe3O4 =>
2 SO2 + 8 FeS = 5 FeS2 + Fe3O4
Na2SnS3 + HNO3 = NaNO3 + Sn(NO3)4 + NO2 + H2O + H2SO4 =>
Na2SnS3 + 30 HNO3 = 2 NaNO3 + Sn(NO3)4 + 24 NO2 + 12 H2O + 3 H2SO4
HSCN + HS = H2S + SCN =>
HSCN + HS = H2S + SCN
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
(NH4)2S + HBr = H2S + NH4Br =>
(NH4)2S + 2 HBr = H2S + 2 NH4Br
HS{-} + MnO4{-} + H{+} = HSO4{-} + Mn2{+} + H2O =>
13 HS{-} + 16 MnO4{-} + 24 H{+} = 13 HSO4{-} + 8 Mn2{+} + 12 H2O
C24H98N + O2 = CO2 + H2O + N =>
2 C24H98N + 97 O2 = 48 CO2 + 98 H2O + 2 N
Co2O = Co + O =>
Co2O = 2 Co + O
HNO3 + NO = NO2 + H2O =>
2 HNO3 + NO = 3 NO2 + H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
KMnO4 + Fe(OH)2 + H2O = MnO2 + Fe(OH)3 + KOH =>
KMnO4 + 3 Fe(OH)2 + 2 H2O = MnO2 + 3 Fe(OH)3 + KOH
Na2S2O8 + H2O = H2SO4 + O2 + Na =>
Na2S2O8 + 2 H2O = 2 H2SO4 + O2 + 2 Na
LiOH + HI = Li + HIOH =>
LiOH + HI = Li + HIOH
NHO3 + I = HIO3 + NO + H2O =>
5 NHO3 + 3 I = 3 HIO3 + 5 NO + H2O
FeTiO3(s) + H2SO4(aq) + H2O = FeSO4*7H2O(s) + TiOSO4(s) =>
FeTiO3(s) + 2 H2SO4(aq) + 5 H2O = FeSO4*7H2O(s) + TiOSO4(s)
Cr(OH)3(s) + NH3(aq) = Cr(NH3)4(OH)2(s) + OH(aq) =>
Cr(OH)3(s) + 4 NH3(aq) = Cr(NH3)4(OH)2(s) + OH(aq)
Zn(NO3)2 + OH = Zn(OH)2 + NO3 =>
Zn(NO3)2 + 2 OH = Zn(OH)2 + 2 NO3
ClF3(g) = Cl2(g) + F2(g) =>
2 ClF3(g) = Cl2(g) + 3 F2(g)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C14H26O11 + O2 = CO2 + H2O =>
C14H26O11 + 15 O2 = 14 CO2 + 13 H2O
ZnO + HCl = Zn2HCl + O2 =>
2 ZnO + HCl = Zn2HCl + O2
Cl2(g) + KBr(aq) = KCl(aq) + Br2(l) =>
Cl2(g) + 2 KBr(aq) = 2 KCl(aq) + Br2(l)
CuCa + H2O = CuCa(OH)2 + H2 =>
CuCa + 2 H2O = CuCa(OH)2 + H2
CH3CHCH2 + KMnO4 + H2O = CH3CHOHCH2OH + MnO2 + KOH =>
3 CH3CHCH2 + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 MnO2 + 2 KOH
Ca + Sn = CaSn =>
Ca + Sn = CaSn
C6HN3O8Pb + O2 = CO2 + H2O + N2 + Pb =>
4 C6HN3O8Pb + 9 O2 = 24 CO2 + 2 H2O + 6 N2 + 4 Pb
HNO3(aq) + K2CO3(aq) = KNO3(aq) + H2O + CO2 =>
2 HNO3(aq) + K2CO3(aq) = 2 KNO3(aq) + H2O + CO2
H + H2SO4 + KMnO4 = MnSO4 + K2SO4 + H2O =>
10 H + 3 H2SO4 + 2 KMnO4 = 2 MnSO4 + K2SO4 + 8 H2O
HCN(aq) + Ca(OH)2(aq) = Ca(CN)2(aq) + H2O =>
2 HCN(aq) + Ca(OH)2(aq) = Ca(CN)2(aq) + 2 H2O
K2S + CoI2 = CoS + KI =>
K2S + CoI2 = CoS + 2 KI
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2SO4 + S = SO2 + H2O =>
2 H2SO4 + S = 3 SO2 + 2 H2O
Ca(s) + Al(NO3)3(l) = Al(s) + Ca(NO3)5(l) =>
3 Ca(s) + 5 Al(NO3)3(l) = 5 Al(s) + 3 Ca(NO3)5(l)
C3H4O2 + NaOH = H2O + NaCH2CHCO2 =>
C3H4O2 + NaOH = H2O + NaCH2CHCO2
C6H15NO3 + O2 = CO2 + H2O + NO =>
4 C6H15NO3 + 35 O2 = 24 CO2 + 30 H2O + 4 NO
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