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Na2H2 = 2 NaH
Rb2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + CrSO4 + Rb2SO4 + H2O =>
Rb2Cr2O7 + 8 FeSO4 + 7 H2SO4 = 4 Fe2(SO4)3 + 2 CrSO4 + Rb2SO4 + 7 H2O
S(s) + KCIO3(s) = SO2(g) + KCI(s) =>
3 S(s) + 2 KCIO3(s) = 3 SO2(g) + 2 KCI(s)
KMnO4 + KOH + MnSO4 = MnO2 + H2O + K2SO4 =>
2 KMnO4 + 4 KOH + 3 MnSO4 = 5 MnO2 + 2 H2O + 3 K2SO4
Fe2(SO4)3 + Na2S = Fe2S3 + Na2SO4 =>
Fe2(SO4)3 + 3 Na2S = Fe2S3 + 3 Na2SO4
H2S = H2 + S =>
H2S = H2 + S
BaSO4 + NaNO3 = NaSO4 + BaNO3 =>
BaSO4 + NaNO3 = NaSO4 + BaNO3
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
NaHSO3 + CaSO4 = NaSO4 + CaHSO3 =>
NaHSO3 + CaSO4 = NaSO4 + CaHSO3
H2SO4 + CO2 = H2CO3 + SO3 =>
H2SO4 + CO2 = H2CO3 + SO3
CuCl2*2H2O + NaOH = Cu(OH)2 + NaCl + H2O =>
CuCl2*2H2O + 2 NaOH = Cu(OH)2 + 2 NaCl + 2 H2O
(CN)2 + OH{-} = CN{-} + CNO{-} + H2O =>
(CN)2 + 2 OH{-} = CN{-} + CNO{-} + H2O
NaMnO4 + AgNO3 = NaNO3 + AgMnO4 =>
NaMnO4 + AgNO3 = NaNO3 + AgMnO4
Al(C2H3O2)3 + BaCl2 = Ba(C2H3O2)3 + AlCl2 =>
Al(C2H3O2)3 + BaCl2 = Ba(C2H3O2)3 + AlCl2
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
KBrO3(s) = KBr(s) + O2(g) =>
2 KBrO3(s) = 2 KBr(s) + 3 O2(g)
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C + KNO3 = CO2 + K2CO3 + N2 =>
5 C + 4 KNO3 = 3 CO2 + 2 K2CO3 + 2 N2
H2SO3 + Sr(OH)2 = H2SO3Sr(OH)2 =>
H2SO3 + Sr(OH)2 = H2SO3Sr(OH)2
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
e + Cu(NH3)4{2+} + CN{-} = NH3 + Cu(CN)3{2-} =>
e + Cu(NH3)4{2+} + 3 CN{-} = 4 NH3 + Cu(CN)3{2-}
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
N + O = NO = O2 =>
N + O = NO
NaHSO3 + CaSO4 = NaSO4 + CaHSO3 =>
NaHSO3 + CaSO4 = NaSO4 + CaHSO3
Zn3As2 + O2 = ZnO + AsO =>
2 Zn3As2 + 5 O2 = 6 ZnO + 4 AsO
Ni(NO3)2*6H2O + Na2C2O4 = NiC2O4 + NaNO3 + H2O =>
Ni(NO3)2*6H2O + Na2C2O4 = NiC2O4 + 2 NaNO3 + 6 H2O
Al3OH + HNO3 = Al3NO3 + H2O =>
Al3OH + HNO3 = Al3NO3 + H2O
CO2 + H2O = C20H40O2 + O2 =>
20 CO2 + 20 H2O = C20H40O2 + 29 O2
NH4I + NaOH = Na2NH4 + I(OH)2 =>
NH4I + 2 NaOH = Na2NH4 + I(OH)2
C7H8N(s) + O2(g) = CO2(g) + H2O(g) + NO2(g) =>
C7H8N(s) + 10 O2(g) = 7 CO2(g) + 4 H2O(g) + NO2(g)
AgNO3 + AlCl = AgCl + Al(NO3) =>
AgNO3 + AlCl = AgCl + Al(NO3)
H3P + CaCO3 = Ca3P2 + H2O + CO2 =>
2 H3P + 3 CaCO3 = Ca3P2 + 3 H2O + 3 CO2
CrCl2 + KOH + O2 + H2O = K3[Cr(OH)6] + KCl =>
4 CrCl2 + 20 KOH + O2 + 2 H2O = 4 K3[Cr(OH)6] + 8 KCl
As2S5 + Na2S = Na3AsS4 =>
As2S5 + 3 Na2S = 2 Na3AsS4
K3[Al(OH)6] + Al(OH)3 = K3[Al(OH)3] + Al(OH)6 =>
K3[Al(OH)6] + Al(OH)3 = K3[Al(OH)3] + Al(OH)6
Al + H3PO4 = Al(PO4)3 + H3 =>
Al + 3 H3PO4 = Al(PO4)3 + 3 H3
Mg(OH)2 + Na = Mg + NaOH =>
Mg(OH)2 + 2 Na = Mg + 2 NaOH
W2Nb2C3 = WC + Nb6C5 + Nb =>
5 W2Nb2C3 = 10 WC + Nb6C5 + 4 Nb
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
NH4F + HOH = NH4OH + HF =>
NH4F + HOH = NH4OH + HF
CuSO3(h) + HCl = CuCl2 + SO2 + H2O =>
CuSO3(h) + 2 HCl = CuCl2 + SO2 + H2O
Fe3O4 + KMnO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 Fe3O4 + 2 KMnO4 + 48 H2SO4 = 15 Fe2(SO4)3 + K2SO4 + 2 MnSO4 + 48 H2O
CH3CH2CH2OH + PCl3 = CH3CH2CH2Cl + H3PO3 =>
3 CH3CH2CH2OH + PCl3 = 3 CH3CH2CH2Cl + H3PO3
KI(aq) + Hg2(NO3)2(aq) = KNO3(aq) + Hg2I2 =>
2 KI(aq) + Hg2(NO3)2(aq) = 2 KNO3(aq) + Hg2I2
CuO + HNO2 = Cu(NO3)2 + NO + H2O =>
CuO + 6 HNO2 = Cu(NO3)2 + 4 NO + 3 H2O
C2H4 + H2O + Br2 = C2H5OBr + HBr =>
C2H4 + H2O + Br2 = C2H5OBr + HBr
Fe(s) + O2(g) + H2O(l) = Fe(OH)2(aq) =>
2 Fe(s) + O2(g) + 2 H2O(l) = 2 Fe(OH)2(aq)
Sr3N2 = Sr + N2 =>
Sr3N2 = 3 Sr + N2
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