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3 HCOOH + 4 NaCO3 = 4 HCOONa + H2O + 3 CO3
H2S + HCl = H2 + ClHS =>
H2S + HCl = H2 + ClHS
MnO2 + Zn + NaOH = Na2ZnO2 + MnO + H2O =>
MnO2 + Zn + 2 NaOH = Na2ZnO2 + MnO + H2O
CCa = CaC =>
CCa = CaC
NaOH + Ce(SO4)2 = Na2(SO4)2 + Ce(OH)2 =>
2 NaOH + Ce(SO4)2 = Na2(SO4)2 + Ce(OH)2
TiO + HCl = TiOCl2 + H2 =>
TiO + 2 HCl = TiOCl2 + H2
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
Q3(PO4)2 + ABr3 = QBr + A(PO4)2 =>
Q3(PO4)2 + ABr3 = 3 QBr + A(PO4)2
C3H5N2 + O2 = CO2 + H2O + N2O =>
4 C3H5N2 + 19 O2 = 12 CO2 + 10 H2O + 4 N2O
M + S = MS =>
M + S = MS
NH3 + HNO3 = H2O + NH2NO2 =>
NH3 + HNO3 = H2O + NH2NO2
Mn3 + HCl = MnCl3 + H =>
Mn3 + 9 HCl = 3 MnCl3 + 9 H
BI(NO3)3 + K2SNO2 + KOH = BI + K2SNO3 + KNO3 + H2O =>
2 BI(NO3)3 + 3 K2SNO2 + 6 KOH = 2 BI + 3 K2SNO3 + 6 KNO3 + 3 H2O
KCO3 + MnSO4 = Mn(CO3)2 + K2SO4 =>
2 KCO3 + MnSO4 = Mn(CO3)2 + K2SO4
Li2Se + CrF2 = Li2F2 + SeCr =>
Li2Se + CrF2 = Li2F2 + SeCr
NaClH2SO4 = H2SNaClO4 =>
NaClH2SO4 = H2SNaClO4
MnCl3 + NaCO3 = Mn(CO3)3 + NaCl =>
MnCl3 + 3 NaCO3 = Mn(CO3)3 + 3 NaCl
EuC2 + H2O = Eu(OH)2 + C2H2 =>
EuC2 + 2 H2O = Eu(OH)2 + C2H2
C21H18O12 + O2 = CO2 + H2O =>
2 C21H18O12 + 39 O2 = 42 CO2 + 18 H2O
H2NNH2 + H2O = OH + HH2NNH2 =>
H2NNH2 + H2O = OH + HH2NNH2
Na2B4O7 + CuSO4 + H2O = (CuOH)BO2 + Na2SO4 + H3BO3 =>
Na2B4O7 + CuSO4 + 5 H2O = (CuOH)BO2 + Na2SO4 + 3 H3BO3
C6H12O6 + Br2 + H2O = C5H11O5COOH + HBr =>
C6H12O6 + Br2 + H2O = C5H11O5COOH + 2 HBr
Ti + I = TiI =>
Ti + I = TiI
C3H9N + O2 = N2 + H2O + CO2 =>
4 C3H9N + 21 O2 = 2 N2 + 18 H2O + 12 CO2
KI + AgNO3 = AgKI + NO3 =>
KI + AgNO3 = AgKI + NO3
CH3C(Br2)CH3 + KOH = CH3CCH + KBr + HOH =>
CH3C(Br2)CH3 + 2 KOH = CH3CCH + 2 KBr + 2 HOH
Cl2 + Br2 = BrCl =>
Cl2 + Br2 = 2 BrCl
Sb4O5Cl2 = Sb2O3 + SbCl3 =>
3 Sb4O5Cl2 = 5 Sb2O3 + 2 SbCl3
NaC1 + H2SO4 = NaHSO4 + HC1 =>
NaC1 + H2SO4 = NaHSO4 + HC1
BaSO3 = BaO + SO2 =>
BaSO3 = BaO + SO2
Na2O + Co2 = Na2Co3 + O2 =>
2 Na2O + 3 Co2 = 2 Na2Co3 + O2
CdCl2 + CS(NH2)2 = [Cd(CSN2H4)4]Cl2 =>
CdCl2 + 4 CS(NH2)2 = [Cd(CSN2H4)4]Cl2
Na2S + I2 + KI = NaI + KS =>
2 Na2S + I2 + 2 KI = 4 NaI + 2 KS
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
BaSO3 = BaO + SO2 =>
BaSO3 = BaO + SO2
MnO2 + Zn + NaOH = Na2ZnO2 + MnO + H2O =>
MnO2 + Zn + 2 NaOH = Na2ZnO2 + MnO + H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Fe(NO3)3(aq) + Na2CO3(aq) = NaNO3(aq) + Fe2(CO3)3 =>
2 Fe(NO3)3(aq) + 3 Na2CO3(aq) = 6 NaNO3(aq) + Fe2(CO3)3
Zn*S = ZnS =>
Zn*S = ZnS
Cu(NO3)2 + HNO3 = CuHNO3 + NO3 =>
Cu(NO3)2 + HNO3 = CuHNO3 + 2 NO3
Fe*CuSO4 = FeSO4Cu =>
Fe*CuSO4 = FeSO4Cu
LiClH2O = LiCl + H2O =>
LiClH2O = LiCl + H2O
SiO2 + HFl = SiFl4 + H2O =>
SiO2 + 4 HFl = SiFl4 + 2 H2O
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
CH4 + C3H8 = C2H6 =>
CH4 + C3H8 = 2 C2H6
Hg + HNO3 = Hg(NO3)2 + NO2 + H2O =>
Hg + 4 HNO3 = Hg(NO3)2 + 2 NO2 + 2 H2O
Na2CO3 + MnCl2 = NaCl + MnCO3 =>
Na2CO3 + MnCl2 = 2 NaCl + MnCO3
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Na2HPO4 + AgNO3 = Na2(NO3)2 + (Ag)2HPO4 =>
Na2HPO4 + 2 AgNO3 = Na2(NO3)2 + (Ag)2HPO4
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
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