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H3PO4 + Ca = CaHPO4 + H2
As + H2O2 + NaOH = Na3AsO4 + H2O =>
2 As + 5 H2O2 + 6 NaOH = 2 Na3AsO4 + 8 H2O
ZnCl2 = Zn + Cl =>
ZnCl2 = Zn + 2 Cl
Ni + S2 = NiS2 =>
Ni + S2 = NiS2
As2O5 + HCl = As + Cl2 + H2O =>
As2O5 + 10 HCl = 2 As + 5 Cl2 + 5 H2O
Br + I = IBr3 =>
3 Br + I = IBr3
C6H5OH(l) + O2 = CO2(g) + H2O(g) =>
C6H5OH(l) + 7 O2 = 6 CO2(g) + 3 H2O(g)
S + MgO = MgS + SO2 =>
3 S + 2 MgO = 2 MgS + SO2
C2 + N2 = C2N2 =>
C2 + N2 = C2N2
FeCl2 + HNO3 = FeCl3 + Fe(NO3)3 + NO + H2O =>
3 FeCl2 + 4 HNO3 = 2 FeCl3 + Fe(NO3)3 + NO + 2 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
CH3Br + Na = C2H6 + NaBr =>
2 CH3Br + 2 Na = C2H6 + 2 NaBr
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Cs2CO3 + Nb2O5 + CsH2PO4 + H2O = (CsH2PO4)90(CsH2NbO4)10 + CO2 =>
5 Cs2CO3 + 5 Nb2O5 + 90 CsH2PO4 + 10 H2O = (CsH2PO4)90(CsH2NbO4)10 + 5 CO2
NaSO4 + H2O = NaHO + HSO4 =>
NaSO4 + H2O = NaHO + HSO4
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
CaSO3 + NaOH = Ca(OH)2 + Na2SO3 =>
CaSO3 + 2 NaOH = Ca(OH)2 + Na2SO3
NiS + HNO3 = Ni(NO3)2 + NO + S + H2O =>
3 NiS + 8 HNO3 = 3 Ni(NO3)2 + 2 NO + 3 S + 4 H2O
Cl2(g) + NaBr(aq) = Br2(l) + NaCl(aq) =>
Cl2(g) + 2 NaBr(aq) = Br2(l) + 2 NaCl(aq)
Cu + CH3COOH + O = (CH3COO)2Cu + H2O =>
Cu + 2 CH3COOH + O = (CH3COO)2Cu + H2O
Sc + O2 = Sc2O =>
4 Sc + O2 = 2 Sc2O
CuCl2 + Na2CO3 = CuCO3 + Na2Cl2 =>
CuCl2 + Na2CO3 = CuCO3 + Na2Cl2
K3[Fe(CN)6] + H2SO4 = K2SO4 + Fe2(CN)6 + HCN =>
2 K3[Fe(CN)6] + 3 H2SO4 = 3 K2SO4 + Fe2(CN)6 + 6 HCN
CH4 + C2H2 = C2H6 =>
4 CH4 + C2H2 = 3 C2H6
KO2 + H2SO4 = K2SO4 + O2 + H2O =>
4 KO2 + 2 H2SO4 = 2 K2SO4 + 3 O2 + 2 H2O
Fe2 + NaOH = Fe(NaOH) =>
Fe2 + 2 NaOH = 2 Fe(NaOH)
C3H6OH2SO4 = C3H6SO4H2O =>
C3H6OH2SO4 = C3H6SO4H2O
Al2O3 + C2 = Al + CO =>
2 Al2O3 + 3 C2 = 4 Al + 6 CO
H3O = H2O + H =>
H3O = H2O + H
Ba(OH)2 + N2O5 = Ba(NO3)2 + H2O =>
Ba(OH)2 + N2O5 = Ba(NO3)2 + H2O
Cr2(SO4)3 = Cr2O3 + SO2 + O2 =>
2 Cr2(SO4)3 = 2 Cr2O3 + 6 SO2 + 3 O2
Zn + AgI = ZnI2 + Ag =>
Zn + 2 AgI = ZnI2 + 2 Ag
(CH3COO)2Pb + (NH4)2SO4 = CH3COONH4 + PbSO4 =>
(CH3COO)2Pb + (NH4)2SO4 = 2 CH3COONH4 + PbSO4
CaNO3 + MgI = CaI + MgNO3 =>
CaNO3 + MgI = CaI + MgNO3
Be(OH)2 + Mg(OH)2 = MgBeO2 + H2O =>
Be(OH)2 + Mg(OH)2 = MgBeO2 + 2 H2O
CaCo3 + NaCl = NaCo3 + CaCl =>
CaCo3 + NaCl = NaCo3 + CaCl
K2Cr2O7 + CH2O2 = CO2 + H2O + K2Cr2O6 =>
K2Cr2O7 + CH2O2 = CO2 + H2O + K2Cr2O6
COOH + Br2 = COOBr + H =>
2 COOH + Br2 = 2 COOBr + 2 H
NiS + HNO3 = Ni(NO3)2 + NO + S + H2O =>
3 NiS + 8 HNO3 = 3 Ni(NO3)2 + 2 NO + 3 S + 4 H2O
H2(g) + Cl2 = HCl =>
H2(g) + Cl2 = 2 HCl
GaBr + F2 = GaF2 + Br =>
GaBr + F2 = GaF2 + Br
CaCl2 + NaNO3 = Ca(NO3)2 + ClNa =>
CaCl2 + 2 NaNO3 = Ca(NO3)2 + 2 ClNa
CdCl2 + (NH4)2S = CdS + NH4Cl =>
CdCl2 + (NH4)2S = CdS + 2 NH4Cl
BaO2 + HCl = H2O2 + BaCl2 =>
BaO2 + 2 HCl = H2O2 + BaCl2
H{+} + Cr = H2 + Cr{+2} =>
2 H{+} + Cr = H2 + Cr{+2}
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
IF7 + H2O = H5IO6 + HF =>
IF7 + 6 H2O = H5IO6 + 7 HF
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