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Zn + 9 O = ZnO9
MnO4{-} + H2S + H3O{+}} = Mn{2 + }+S+H2O =>
2 MnO4{-} + 5 H2S + 6 H3O{+}} = 2 Mn{2 + }+5S+14H2O
NH4Al(SO4)2 + NH3 + H2O = (NH4)2SO4 + Al(OH)3 =>
NH4Al(SO4)2 + 3 NH3 + 3 H2O = 2(NH4)2SO4 + Al(OH)3
Pb{2+} + Cl{-} + F{-} = PbClF(s) =>
Pb{2+} + Cl{-} + F{-} = PbClF(s)
K2CO3 + BaCl2 = BaCO3 + KCl =>
K2CO3 + BaCl2 = BaCO3 + 2 KCl
Ba2 + S = Ba2S =>
Ba2 + S = Ba2S
Ba + MgI2 = BaMg + I2 =>
Ba + MgI2 = BaMg + I2
C6H5COOH + CH3OH = C6H5CH2OH + HCOOH =>
C6H5COOH + CH3OH = C6H5CH2OH + HCOOH
N2 + H2O = OH + HN3 =>
3 N2 + 2 H2O = 2 OH + 2 HN3
K2O + HBr = KBr + H2O =>
K2O + 2 HBr = 2 KBr + H2O
BaCl2 + AqNO3 = Ba(NO3) + AqCl2 =>
BaCl2 + AqNO3 = Ba(NO3) + AqCl2
LiC6H5O7 + O2 = Li2CO3 + CO2 + H2O =>
2 LiC6H5O7 + 8 O2 = Li2CO3 + 11 CO2 + 5 H2O
KY + H2O = H2 + Y2 + KOH =>
2 KY + 2 H2O = H2 + Y2 + 2 KOH
Na2S2O4 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + H2O =>
5 Na2S2O4 + 6 KMnO4 + 4 H2SO4 = 3 K2SO4 + 5 Na2SO4 + 6 MnSO4 + 4 H2O
Zn(OH)4{2-} = Zn{2+} + OH{-} =>
Zn(OH)4{2-} = Zn{2+} + 4 OH{-}
NaNO3{-} = NaNO2{-} + O2 =>
2 NaNO3{-} = 2 NaNO2{-} + O2
HCN + Zn(OH)2 = Zn + CN + H2O =>
2 HCN + Zn(OH)2 = Zn + 2 CN + 2 H2O
He + Li = HeLi2 =>
He + 2 Li = HeLi2
SiO2(s) + C(s) = SiC(s) + CO(g) =>
SiO2(s) + 3 C(s) = SiC(s) + 2 CO(g)
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Zn(OH)4{2-} = Zn{2+} + OH{-} =>
Zn(OH)4{2-} = Zn{2+} + 4 OH{-}
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
Rb + Br2 = RbBr =>
2 Rb + Br2 = 2 RbBr
HCOOH(l) + C2H5OH(l) = HCOOC2H5(l) + H2O(l) =>
HCOOH(l) + C2H5OH(l) = HCOOC2H5(l) + H2O(l)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KBr + H2O2 + H2SO4 = Br2 + H2O + K2SO4 =>
2 KBr + H2O2 + H2SO4 = Br2 + 2 H2O + K2SO4
KHSO4 + KOH = K2SO4 + H2O =>
KHSO4 + KOH = K2SO4 + H2O
aluminum + hydrochloricacid = aluminumchloride + hydrogen =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KCl + CuSO4 = CuCl2 + K2SO4 =>
2 KCl + CuSO4 = CuCl2 + K2SO4
NaCl(s) + H2O(l) = NaOH(aq) + Cl2(g) + H2(g) =>
2 NaCl(s) + 2 H2O(l) = 2 NaOH(aq) + Cl2(g) + H2(g)
Fe2O3 + KOH + H2O = K3Fe(OH)6 =>
Fe2O3 + 6 KOH + 3 H2O = 2 K3Fe(OH)6
Cl2 + H2O = HCl + O2 =>
2 Cl2 + 2 H2O = 4 HCl + O2
S + F = SF6 =>
S + 6 F = SF6
AlCl3 + H2S = Al2S3 + HCl =>
2 AlCl3 + 3 H2S = Al2S3 + 6 HCl
CH3CH2CH3 + HCl = CH3CHClCH3 + H2 =>
CH3CH2CH3 + HCl = CH3CHClCH3 + H2
NH2CH2CONHCH2(CH3)COOHHClH2O = NH2CH2COOHNH3ClCH2(CH3)COOH =>
NH2CH2CONHCH2(CH3)COOHHClH2O = NH2CH2COOHNH3ClCH2(CH3)COOH
Cu(OH)2 + HBr = CuBr + H(OH)2 =>
Cu(OH)2 + HBr = CuBr + H(OH)2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NaOH + Na2SO4 = NaSO4 + Na2OH =>
NaOH + Na2SO4 = NaSO4 + Na2OH
C2H5COOK + HCl = C2H5COOH + KCl =>
C2H5COOK + HCl = C2H5COOH + KCl
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Na2S2O3 + KMnO4 + H2O = K2SO4 + Na2SO4 + KOH + MnO2 =>
3 Na2S2O3 + 8 KMnO4 + H2O = 3 K2SO4 + 3 Na2SO4 + 2 KOH + 8 MnO2
Cr + HCl = Cr(Cl)3 + H2 =>
2 Cr + 6 HCl = 2 Cr(Cl)3 + 3 H2
(NH4)2SO4 + NaOH = NH3 + (Na)2SO4 + H2O =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + (Na)2SO4 + 2 H2O
K(s) + MgBr2(aq) = KBr(aq) + Mg(s) =>
2 K(s) + MgBr2(aq) = 2 KBr(aq) + Mg(s)
H3PO4 + Na2O = Na3PO4 + H2O =>
2 H3PO4 + 3 Na2O = 2 Na3PO4 + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
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