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Be + 2 H2SO4 = BeSO4 + SO2 + 2 H2O
COOHCOOH + PCl5 = ClCOCOCl + HCl + P4O10 =>
5 COOHCOOH + 4 PCl5 = 5 ClCOCOCl + 10 HCl + P4O10
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Na(OH) + Sr(Cl)2 = Na(Cl) + Sr(OH)2 =>
2 Na(OH) + Sr(Cl)2 = 2 Na(Cl) + Sr(OH)2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
CH3COOH + S2Cl2 = (CH3CO)2O + SO2 + S + HCl =>
4 CH3COOH + 2 S2Cl2 = 2(CH3CO)2O + SO2 + 3 S + 4 HCl
NH4NO3 + NaOH = NaNO3 + NH5 + H2O =>
5 NH4NO3 + 6 NaOH = 6 NaNO3 + 4 NH5 + 3 H2O
Cu(OH)2 + HNo3 = Cu(No3)2 + H2O =>
Cu(OH)2 + 2 HNo3 = Cu(No3)2 + 2 H2O
K2O + H2MoO4 = K2MoO4 + H2O =>
K2O + H2MoO4 = K2MoO4 + H2O
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Na2O2 = NaO =>
Na2O2 = 2 NaO
Al(OH)3 + HBr2 = H2O + AlBr2(OH)2 =>
Al(OH)3 + HBr2 = H2O + AlBr2(OH)2
N + HNO3 = NNO3 + H2 =>
2 N + 2 HNO3 = 2 NNO3 + H2
HNO2 + HNO3 = H2O + NO2 =>
HNO2 + HNO3 = H2O + 2 NO2
NaOH + ZnSO4 = OH + Na(ZnSO4) =>
NaOH + ZnSO4 = OH + Na(ZnSO4)
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Na + CuSO4 = Na2SO4 + Cu =>
2 Na + CuSO4 = Na2SO4 + Cu
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
C4H9O2N + H2O = C4H10O + HNO2 =>
C4H9O2N + H2O = C4H10O + HNO2
NH4VO3 + H2SO4 + Zn = VOSO4 + (NH4)2SO2 + H2O + ZnSO4 =>
2 NH4VO3 + 6 H2SO4 + 3 Zn = 2 VOSO4 + (NH4)2SO2 + 6 H2O + 3 ZnSO4
Zn + Fe(NO3)2 = Zn(NO3)2 + Fe =>
Zn + Fe(NO3)2 = Zn(NO3)2 + Fe
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuSH2SO4 = CuSO4H2S =>
CuSH2SO4 = CuSO4H2S
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
NH4Cl + KNO2 = KCl + NH3 + HNO2 =>
NH4Cl + KNO2 = KCl + NH3 + HNO2
Li2S + NH4Cl = LiCl + (NH4)2S =>
Li2S + 2 NH4Cl = 2 LiCl + (NH4)2S
AlCl3 + K2S + H2O = KCl + Al(OH)3 + H2S =>
2 AlCl3 + 3 K2S + 6 H2O = 6 KCl + 2 Al(OH)3 + 3 H2S
FeCl2*Na2CO3 = FeCO3 + NaCl =>
FeCl2*Na2CO3 = FeCO3 + 2 NaCl
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Zn(NO3)2 + HBr = ZnBr2 + HNO3 =>
Zn(NO3)2 + 2 HBr = ZnBr2 + 2 HNO3
Fe + H2O + O2 = Fe(OH)3 =>
4 Fe + 6 H2O + 3 O2 = 4 Fe(OH)3
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
C2H4(NH2)2 + I2 + H4N2 = C2H10I2N2 + N2 =>
2 C2H4(NH2)2 + 2 I2 + H4N2 = 2 C2H10I2N2 + N2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
FeCl2*Na2CO3 = FeCO3 + NaCl =>
FeCl2*Na2CO3 = FeCO3 + 2 NaCl
SO2(g) + O2(g) + H2O(g) = H2SO4(aq) =>
2 SO2(g) + O2(g) + 2 H2O(g) = 2 H2SO4(aq)
C2H5OH + Ca = C2H5OCa + H2 =>
2 C2H5OH + 2 Ca = 2 C2H5OCa + H2
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
Pb(OH)2 + NaOH = Pb + NaO2H2 =>
Pb(OH)2 + 2 NaOH = Pb + 2 NaO2H2
PO5 + O2 = PO2O5 =>
PO5 + O2 = PO2O5
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HBr + CaCO3 = H2CO3 + CaBr2 =>
2 HBr + CaCO3 = H2CO3 + CaBr2
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