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CaCO3 + Zn = ZnCO3 + Ca
MgBr2 = Mg + Br3 =>
3 MgBr2 = 3 Mg + 2 Br3
(Fe2)S3 + HCl = FeCl3 + H2S =>
(Fe2)S3 + 6 HCl = 2 FeCl3 + 3 H2S
CaBr2 + I2(g) = CaI2 + Br2(l) =>
CaBr2 + I2(g) = CaI2 + Br2(l)
Sn + H3PO4 = SnPO4 + H3 =>
Sn + H3PO4 = SnPO4 + H3
V2O5 + C = VC + CO =>
V2O5 + 7 C = 2 VC + 5 CO
(NH4)2CrO4 + In(OH)3 = In2(CrO4)3 + H2O + NH3 =>
3(NH4)2CrO4 + 2 In(OH)3 = In2(CrO4)3 + 6 H2O + 6 NH3
C9H8O4 + NaOH = C9H7O4Na + H2O =>
C9H8O4 + NaOH = C9H7O4Na + H2O
TiCl4 + TiAl = TiCl2 + AlCl3 =>
5 TiCl4 + 2 TiAl = 7 TiCl2 + 2 AlCl3
As2S3 + O2 = As2O3 + SO2 =>
2 As2S3 + 9 O2 = 2 As2O3 + 6 SO2
Boron + nitrogen = Boronnitride =>
2 B + N2 = 2 BN
HCl + KO = KOCl + H =>
HCl + KO = KOCl + H
HgNO3 + ZnCl2 = HgCl + Zn(NO3)2 =>
2 HgNO3 + ZnCl2 = 2 HgCl + Zn(NO3)2
Fe = Fe2 =>
2 Fe = Fe2
CH2CHCHCH2 + KMnO4 + H2SO4 = CH3COH + CO2 + K2SO4 + MnSO4 =>
25 CH2CHCHCH2 + 14 KMnO4 + 21 H2SO4 = 48 CH3COH + 4 CO2 + 7 K2SO4 + 14 MnSO4
Ca3(PO4)2 + H2SO4 = Ca(HSO4)2 + H3PO4 =>
Ca3(PO4)2 + 6 H2SO4 = 3 Ca(HSO4)2 + 2 H3PO4
Na2(CO3) + CH3COOH = CO2 + H2O + CH3COONa =>
Na2(CO3) + 2 CH3COOH = CO2 + H2O + 2 CH3COONa
Mg(NO3)2 + Al(NO3)3 + (NH2)2CO = MgAl2O4 + H2O + N2 + CO2 =>
3 Mg(NO3)2 + 6 Al(NO3)3 + 20(NH2)2CO = 3 MgAl2O4 + 40 H2O + 32 N2 + 20 CO2
CH3CH2COO{-} + H2O = CH3COO{-} + CO2 + H2 =>
CH3CH2COO{-} + 2 H2O = CH3COO{-} + CO2 + 3 H2
CaCO3 + C2H4O2 = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 C2H4O2 = Ca(CH3COO)2 + CO2 + H2O
Cr(OH)6 + H3PO3 = Cr(PO3)2 + H2O =>
Cr(OH)6 + 2 H3PO3 = Cr(PO3)2 + 6 H2O
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
ClO2 + O3 = ClO3 =>
3 ClO2 + O3 = 3 ClO3
C8H8O3 + H2O = CH3OH + C7H6O4 =>
8 C8H8O3 + 19 H2O = 15 CH3OH + 7 C7H6O4
Si + KOH + H2O = H2 + K2SiO3 =>
Si + 2 KOH + H2O = 2 H2 + K2SiO3
H2 + S = HS =>
H2 + 2 S = 2 HS
Cu3S + O2 = Cu2O + SO2 =>
4 Cu3S + 7 O2 = 6 Cu2O + 4 SO2
Cu4Al4Cl5Br + CuBr = Cu43Al12Cl12 + AlCl2Br + AlBr3 =>
134 Cu4Al4Cl5Br + 324 CuBr = 20 Cu43Al12Cl12 + 215 AlCl2Br + 81 AlBr3
K[Sb(OH)6] + H2SO4 = H3SbO4 + K2SO4 + H2O =>
2 K[Sb(OH)6] + H2SO4 = 2 H3SbO4 + K2SO4 + 4 H2O
HCl + BaNo3 = HNo3 + BaCl =>
HCl + BaNo3 = HNo3 + BaCl
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + Na = Na[NaOH] =>
NaOH + Na = Na[NaOH]
CH3CN + C2H5MgBr = CH3CC2H5NMgBr = CH3COC2H5 + NH4Br + Mg{+} =>
CH3CN + C2H5MgBr = CH3CC2H5NMgBr
Zn + HNO3 = NO + HZnO3 + H2O =>
3 Zn + 5 HNO3 = 5 NO + 3 HZnO3 + H2O
N2O + S = SO2 + N =>
2 N2O + S = SO2 + 4 N
K2CO3 + Zn(OH)2 = K2(OH)2 + ZnCO3 =>
K2CO3 + Zn(OH)2 = K2(OH)2 + ZnCO3
H + I = HI =>
H + I = HI
Pb(NO3)2 + HCl = PbCl2 + (HNO3)2 =>
Pb(NO3)2 + 2 HCl = PbCl2 + (HNO3)2
Ca(NO3)2 + NH3(NH4OH) = Ca(NH4OH) + NH4NO3 =>
4 Ca(NO3)2 + 7 NH3(NH4OH) = 4 Ca(NH4OH) + 9 NH4NO3
(NH4)2WO4 + SnCl2 + HCl = W2O5 + NH4Cl + SnCl4 + H2O =>
2(NH4)2WO4 + SnCl2 + 6 HCl = W2O5 + 4 NH4Cl + SnCl4 + 3 H2O
Cr2O3 + KClO3 + NaOH = Na2Cr2O7 + Cl2 + KOH + H2O =>
5 Cr2O3 + 6 KClO3 + 10 NaOH = 5 Na2Cr2O7 + 3 Cl2 + 6 KOH + 2 H2O
Cu + HCl + K2SO4 = CuCl2 + SO2 + KCl + H2O =>
Cu + 4 HCl + K2SO4 = CuCl2 + SO2 + 2 KCl + 2 H2O
CaSiO3 = CaO + SiO2 =>
CaSiO3 = CaO + SiO2
C5H12 + O2 = C2O4 + H12 =>
2 C5H12 + 10 O2 = 5 C2O4 + 2 H12
Ca(NO3)2 + Cr2(SO4)3 = Ca(SO4) + Cr(NO3)3 =>
3 Ca(NO3)2 + Cr2(SO4)3 = 3 Ca(SO4) + 2 Cr(NO3)3
S2O3{-2} + Cl2 + H2O = SO4{-2} + Cl{-} + H{+} =>
S2O3{-2} + 4 Cl2 + 5 H2O = 2 SO4{-2} + 8 Cl{-} + 10 H{+}
NaOH + KSb(OH)6 = NaSb(OH)6 + K + OH =>
NaOH + KSb(OH)6 = NaSb(OH)6 + K + OH
Pb + Cl2 = PbCl3 =>
2 Pb + 3 Cl2 = 2 PbCl3
Sn(s) + KOH(aq) = K2SnO2(s) + H2(g) =>
Sn(s) + 2 KOH(aq) = K2SnO2(s) + H2(g)
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