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Zn + CaCl2 = ZnCl2 + Ca
Fe(HCO3)2 + O2 + H2O = Fe(OH)3 + CO2 =>
4 Fe(HCO3)2 + O2 + 2 H2O = 4 Fe(OH)3 + 8 CO2
KSe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Se2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 KSe(CN)6 + 116 KMnO4 + 257 H2SO4 = 126 KHSO4 + 5 Se2(SO4)3 + 116 MnSO4 + 60 HNO3 + 60 CO2 + 164 H2O
Na + C = Na4C =>
4 Na + C = Na4C
Fe2O3 + KOH = Fe2(OH)3 + KO =>
Fe2O3 + 3 KOH = Fe2(OH)3 + 3 KO
Mg + HI = Mg7I2 + H2 =>
7 Mg + 2 HI = Mg7I2 + H2
C26H52 + O = CO2 + H2O =>
C26H52 + 78 O = 26 CO2 + 26 H2O
H3AsO3 + Cd(OH)2 = Cd(H2AsO3)2 + H2O =>
2 H3AsO3 + Cd(OH)2 = Cd(H2AsO3)2 + 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO7 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
365 H2SO4 + 22 K4Fe(CN)6 + 122 KMnO7 = 132 CO2 + 11 Fe2(SO4)3 + 194 H2O + 132 HNO3 + 210 KHSO4 + 122 MnSO4
Cr(I)3 + KOH + Cl2 = (K)2CrO4 + KIO4 + KCl + H2O =>
2 Cr(I)3 + 64 KOH + 27 Cl2 = 2(K)2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
AsS2 + HClO3 + H2O = H3AsO4 + H2SO4 + HCl =>
6 AsS2 + 17 HClO3 + 21 H2O = 6 H3AsO4 + 12 H2SO4 + 17 HCl
O + HBr = H2O + Br =>
O + 2 HBr = H2O + 2 Br
Fe2O3 + KOH = Fe2(OH)3 + KO =>
Fe2O3 + 3 KOH = Fe2(OH)3 + 3 KO
Mg(SO4) + Li3(CO3) = Mg3(CO3)2 + Li2(SO4) =>
3 Mg(SO4) + 2 Li3(CO3) = Mg3(CO3)2 + 3 Li2(SO4)
AgNO3(aq) + K2Cr2O7(aq) = Ag2Cr2O7(s) + KNO3(aq) =>
2 AgNO3(aq) + K2Cr2O7(aq) = Ag2Cr2O7(s) + 2 KNO3(aq)
MnF2 + Na2SO4 = MnSO4 + NaF =>
MnF2 + Na2SO4 = MnSO4 + 2 NaF
MnO2 + NaOH + O2 = Na2MnO4 + H2O =>
2 MnO2 + 4 NaOH + O2 = 2 Na2MnO4 + 2 H2O
Cd + H2 = CdH2 =>
Cd + H2 = CdH2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
FeBr3 + Na2CO3 = Na2Br + Fe(CO3)3 =>
FeBr3 + 3 Na2CO3 = 3 Na2Br + Fe(CO3)3
Ca(OH)2 + H3PO4 = H2O + Ca3O8P2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3O8P2
Fe2O3 + KOH = Fe2(OH)3 + KO =>
Fe2O3 + 3 KOH = Fe2(OH)3 + 3 KO
Li2SO4 + MgOH = Mg2SO4 + LiOH =>
Li2SO4 + 2 MgOH = Mg2SO4 + 2 LiOH
HCl + ZnCO3 = ZnCl2 + H2O + CO2 =>
2 HCl + ZnCO3 = ZnCl2 + H2O + CO2
K2Cr2O7 + Al = K2O + Cr2 + Al2O3 =>
K2Cr2O7 + 4 Al = K2O + Cr2 + 2 Al2O3
CH3COOH + C5H11OH = CH3COOC5H11 + H2O =>
CH3COOH + C5H11OH = CH3COOC5H11 + H2O
Fe{3+} + Ca(OH)2 = Fe(OH)3 + Ca{2+} =>
2 Fe{3+} + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca{2+}
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
CH4(g) + NH3(g) + O2(g) = H2O(g) + HCN(aq) =>
2 CH4(g) + 2 NH3(g) + 3 O2(g) = 6 H2O(g) + 2 HCN(aq)
Fe2O3 + KOH = Fe2(OH)3 + KO =>
Fe2O3 + 3 KOH = Fe2(OH)3 + 3 KO
H2SnO3 + HCl = SnCl4 + H2O =>
H2SnO3 + 4 HCl = SnCl4 + 3 H2O
C3H6O + HBr = C3H6Br2 + H2O =>
C3H6O + 2 HBr = C3H6Br2 + H2O
NaHCO3(s) = Na2O + CO2 + H2O =>
2 NaHCO3(s) = Na2O + 2 CO2 + H2O
HCl + AgNO3 = AgCl + NO2 + HO =>
HCl + AgNO3 = AgCl + NO2 + HO
S(OH)2 + HBr = SBr2 + H2O =>
S(OH)2 + 2 HBr = SBr2 + 2 H2O
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
CuCl + HNO3 = CuCl2 + NO + Cu(NO3)2 + H2O =>
6 CuCl + 8 HNO3 = 3 CuCl2 + 2 NO + 3 Cu(NO3)2 + 4 H2O
HCl + CaO2H2 = CaCl2 + H2O =>
2 HCl + CaO2H2 = CaCl2 + 2 H2O
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
AlBr3 + CsOH = CsBr + Al(OH)3 =>
AlBr3 + 3 CsOH = 3 CsBr + Al(OH)3
HOOC{-}CHOH{-}CHOH{-}COOH + NaOH = NaOOC{-}CHOH{-}CHOH{-}COONa + H2O =>
HOOC{-}CHOH{-}CHOH{-}COOH + NaOH = NaOOC{-}CHOH{-}CHOH{-}COONa + H2O
NaOH + C20H14O4 = NaH14O4 + C20OH =>
NaOH + C20H14O4 = NaH14O4 + C20OH
KCIO3 + CaH2 = CaO + KCI + H2O =>
2 KCIO3 + 3 CaH2 = 3 CaO + 2 KCI + 3 H2O
Fe2O3 + KOH = Fe2(OH)3 + KO =>
Fe2O3 + 3 KOH = Fe2(OH)3 + 3 KO
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O =>
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O
P4(s) + I2(s) = PI3(s) =>
P4(s) + 6 I2(s) = 4 PI3(s)
Li2SO4 + Mg(OH)2 = Li(OH) + MgSO4 =>
Li2SO4 + Mg(OH)2 = 2 Li(OH) + MgSO4
Ca(ClO)2 + SO2 + H2O = CaCl2 + H2SO4 =>
Ca(ClO)2 + 2 SO2 + 2 H2O = CaCl2 + 2 H2SO4
MnO4{-}(aq) + S2{-}(aq) + H2O = MnO2(s) + S(s) + OH{-}(aq) =>
MnO4{-}(aq) + 3 S2{-}(aq) + 2 H2O = MnO2(s) + 6 S(s) + 4 OH{-}(aq)
Na + H2 = Na{-} + H{2} =>
4 Na + H2 = 4 Na{-} + 2 H{2}
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