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Se2 + 4 H = 2 SeH2
Ni(OH)2 + Br2 + KOH = Ni(OH)3 + KBr =>
2 Ni(OH)2 + Br2 + 2 KOH = 2 Ni(OH)3 + 2 KBr
PbCl2(aq) + Na2S(aq) = PbS + NaCl =>
PbCl2(aq) + Na2S(aq) = PbS + 2 NaCl
CH(subscript)4 + O(subscript)2 = CO(subscript)2 + H(subscript)2O =>
CH(subscript)4 + 2 O(subscript)2 = CO(subscript)2 + 2 H(subscript)2O
(NH4)2SO4 + NiCl2 = NH4Cl + NiSO4 =>
(NH4)2SO4 + NiCl2 = 2 NH4Cl + NiSO4
KSCN + H2SO4 + H2O = COS + NH4HSO4 + KHSO4 =>
KSCN + 2 H2SO4 + H2O = COS + NH4HSO4 + KHSO4
C4H8 + KMnO4 + H2SO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
15 C4H8 + 8 KMnO4 + 12 H2SO4 = 20 C3H6O + 4 K2SO4 + 8 MnSO4 + 12 H2O
C5H8NNaO4 + H2SO4 = C5H9NO4 + Na2SO4 =>
2 C5H8NNaO4 + H2SO4 = 2 C5H9NO4 + Na2SO4
KI + C6H6 + Br2 = KBr + C6H5Br + HI =>
KI + C6H6 + Br2 = KBr + C6H5Br + HI
Mg(AsF6)2 + XeF2 = [Mg(XeF2)2](AsF6)2 =>
Mg(AsF6)2 + 2 XeF2 = [Mg(XeF2)2](AsF6)2
H3CrO3 + KOH = K3CrO3 + HOH =>
H3CrO3 + 3 KOH = K3CrO3 + 3 HOH
Fe{2+} + H{+} + NO3{-} = Fe{+3} + NO + H2O =>
3 Fe{2+} + 4 H{+} + NO3{-} = 3 Fe{+3} + NO + 2 H2O
Na + HIO4 = NaIO4 + H2 =>
2 Na + 2 HIO4 = 2 NaIO4 + H2
NH4NO3 + Sn3P4 = (NH4)3P + Sn(NO3)4 =>
12 NH4NO3 + Sn3P4 = 4(NH4)3P + 3 Sn(NO3)4
Zn + NO3{-} + H2O = NH3 + [Zn(OH)4]{-} + OH =>
Zn + NO3{-} + 6 H2O = NH3 + [Zn(OH)4]{-} + 5 OH
Na2CrO4 + Zn(ClO3)2 = NaClO3 + ZnCrO4 =>
Na2CrO4 + Zn(ClO3)2 = 2 NaClO3 + ZnCrO4
C21H44 + O2 = C + H2O =>
C21H44 + 11 O2 = 21 C + 22 H2O
CuSBa(OH)2 = BaSCu(OH)2 =>
CuSBa(OH)2 = BaSCu(OH)2
C3H6O2 + NH3 = C3H9NO2 =>
C3H6O2 + NH3 = C3H9NO2
Ca(NO3)2 + Al = Al2O3 + CaO + N2 =>
3 Ca(NO3)2 + 10 Al = 5 Al2O3 + 3 CaO + 3 N2
CuO + Zn = Cu + ZnO =>
CuO + Zn = Cu + ZnO
*Mg(OH)2 = MgOH2O =>
*Mg(OH)2 = MgOH2O
NH3NO3 + Al = N2 + H2O + Al2O3 =>
2 NH3NO3 + 2 Al = 2 N2 + 3 H2O + Al2O3
NaPO3 + AgNO3 = AgPO3 + NaNO3 =>
NaPO3 + AgNO3 = AgPO3 + NaNO3
KFHCl = KClFH =>
KFHCl = KClFH
Sb + P = SbP =>
Sb + P = SbP
Au(OH)3 = Au + O2 + H2O =>
4 Au(OH)3 = 4 Au + 3 O2 + 6 H2O
Br2(aq) + NaI(aq) = NaBr + I =>
Br2(aq) + 2 NaI(aq) = 2 NaBr + 2 I
Bi(OH)2 + K2SnO2 = Bi + K2SnO3 + H2O =>
Bi(OH)2 + K2SnO2 = Bi + K2SnO3 + H2O
KClO4 + H2SO4 = K + H2SO4ClO4 =>
KClO4 + H2SO4 = K + H2SO4ClO4
HgOH + HCl = HgCl + H2O =>
HgOH + HCl = HgCl + H2O
FeS + H2O2 = Fe2O3 + H2S + O2 =>
4 FeS + 4 H2O2 = 2 Fe2O3 + 4 H2S + O2
KSCN + H2SO4 + H2O = COS + NH4HSO4 + KHSO4 =>
KSCN + 2 H2SO4 + H2O = COS + NH4HSO4 + KHSO4
BaC2O4 + KIO3 = Ba(IO3)2 + K2C2O4 =>
BaC2O4 + 2 KIO3 = Ba(IO3)2 + K2C2O4
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
H2SiF6(aq) + K2CO3 = K2SiF6 + CO2 + H2O =>
H2SiF6(aq) + K2CO3 = K2SiF6 + CO2 + H2O
Fe + Ag2(SO4) = Fe(SO4) + Ag =>
Fe + Ag2(SO4) = Fe(SO4) + 2 Ag
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
Rb2S + HNO3 = Rb2SO4 + NO + H2O =>
3 Rb2S + 8 HNO3 = 3 Rb2SO4 + 8 NO + 4 H2O
FeCl2 + H2O = (Fe3O4) + HCl + H2 =>
3 FeCl2 + 4 H2O = (Fe3O4) + 6 HCl + H2
Zn + Pb3NO2 = Zn3NO2 + Pb =>
3 Zn + Pb3NO2 = Zn3NO2 + 3 Pb
C3H6O2 + NH3 = C3H9NO2 =>
C3H6O2 + NH3 = C3H9NO2
Ir + F2 = IrF4 =>
Ir + 2 F2 = IrF4
CH3COCH3 + H2O2 = C9H18O6 + H2O =>
3 CH3COCH3 + 3 H2O2 = C9H18O6 + 3 H2O
Mg1 + HCl = MgCl2 + H2 =>
Mg1 + 2 HCl = MgCl2 + H2
CdCl2 + NaNO3 = Cd(NO3)2 + NaCl =>
CdCl2 + 2 NaNO3 = Cd(NO3)2 + 2 NaCl
Pb + Sn(OH)2 = Pb(OH)2 + Sn =>
Pb + Sn(OH)2 = Pb(OH)2 + Sn
C3H5(C15H29COO)3 + NaOH = C15H29COONa + C3H5(OH)3 =>
C3H5(C15H29COO)3 + 3 NaOH = 3 C15H29COONa + C3H5(OH)3
C6H6 + HNO3 + H2SO4 = C6H5NO2 + H3O{+} + HSO4{-} =>
C6H6 + HNO3 + H2SO4 = C6H5NO2 + H3O{+} + HSO4{-}
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