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2 Fe + 3 Cl2 = 2 FeCl3
Fe + NaNO3 + NaOH = Na2FeO4 + NaNO2 + H2O =>
Fe + 3 NaNO3 + 2 NaOH = Na2FeO4 + 3 NaNO2 + H2O
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
HCHO + CuO = HCOOH + Cu2O =>
HCHO + 2 CuO = HCOOH + Cu2O
(NH4)2MoO4 + HCl + Zn = MoCl3 + ZnCl2 + H2O + NH4Cl =>
2(NH4)2MoO4 + 16 HCl + 3 Zn = 2 MoCl3 + 3 ZnCl2 + 8 H2O + 4 NH4Cl
PbO2 + C = Pb + CO2 =>
PbO2 + C = Pb + CO2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
HCl(aq) + BaCO3(s) = BaCl2 + H2CO3 =>
2 HCl(aq) + BaCO3(s) = BaCl2 + H2CO3
Sr(OH)2 + H2SO4 = Sr(HSO4)2 + H2O =>
Sr(OH)2 + 2 H2SO4 = Sr(HSO4)2 + 2 H2O
HF + H2O = H3O + F2 =>
2 HF + 2 H2O = 2 H3O + F2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Cr(s) + Fe(NO3)2(aq) = Fe(s) + Cr(NO3)3(aq) =>
2 Cr(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Cr(NO3)3(aq)
FeS + S = Fe2S3 =>
2 FeS + S = Fe2S3
H2O2 + Cr2(SO4)3 + NaOH = H2O + Na2CrO4 + Na2SO4 =>
3 H2O2 + Cr2(SO4)3 + 10 NaOH = 8 H2O + 2 Na2CrO4 + 3 Na2SO4
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Fe(s) + HBr(aq) = FeBr2(aq) + H2(g) =>
Fe(s) + 2 HBr(aq) = FeBr2(aq) + H2(g)
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
Br2 + O = Br2O5 =>
Br2 + 5 O = Br2O5
Mg(H2PO4)2 + KOH = Mg(OH)2 + K(H2PO4) =>
Mg(H2PO4)2 + 2 KOH = Mg(OH)2 + 2 K(H2PO4)
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
C2H5COOH + K2CO3 = C2H5COOK + H2CO3 =>
2 C2H5COOH + K2CO3 = 2 C2H5COOK + H2CO3
CuSO4 + NH4 = CuNH4 + SO4 =>
CuSO4 + NH4 = CuNH4 + SO4
Hg + HNO3 = HgNO3*2 + NO + H2O =>
3 Hg + 4 HNO3 = 3 HgNO3*2 + NO + 2 H2O
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq) =>
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq)
CH4(g) + O2(g) = CO2(g) + H2O(l) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(l)
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
NiS + H2SO4 = NiSO4 + H2O + SO2 =>
NiS + 4 H2SO4 = NiSO4 + 4 H2O + 4 SO2
NaHCO3(aq) + CH3COOH(l) = CH3COONa(l) + H2O(g) + CO2(g) =>
NaHCO3(aq) + CH3COOH(l) = CH3COONa(l) + H2O(g) + CO2(g)
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Rb + H2O = Rb(OH) + H2 =>
2 Rb + 2 H2O = 2 Rb(OH) + H2
P5 + O2 = P2O5 =>
4 P5 + 25 O2 = 10 P2O5
CaBr2 + KOH = Ca(OH)2 + KBr =>
CaBr2 + 2 KOH = Ca(OH)2 + 2 KBr
KMnO4 + C2H5OH + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
12 KMnO4 + 5 C2H5OH + 18 H2SO4 = 6 K2SO4 + 12 MnSO4 + 10 CO2 + 33 H2O
*2Fe + O2 = *2FeO =>
*2Fe + O2 = *2FeO
NiSO4(aq) + BaCl2(s) = NiCl2 + BaSO4 =>
NiSO4(aq) + BaCl2(s) = NiCl2 + BaSO4
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
CuO + NH2OH = Cu2O + N2O + H2O =>
4 CuO + 2 NH2OH = 2 Cu2O + N2O + 3 H2O
C2H45 + O2 = CO2 + H2O =>
4 C2H45 + 53 O2 = 8 CO2 + 90 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NH3 + HC1 = NH4 + C1 =>
NH3 + HC1 = NH4 + C1
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
AlCl3 + NH3 + (H2O) = Al(OH)3 + (NH4Cl) =>
AlCl3 + 3 NH3 + 3(H2O) = Al(OH)3 + 3(NH4Cl)
Mg(OH)2 + Al(NO3)3*9H2O = Al2O3 + Mg(NO3)2 + H2O =>
3 Mg(OH)2 + 2 Al(NO3)3*9H2O = Al2O3 + 3 Mg(NO3)2 + 21 H2O
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
C + FeCr2O4 = FeCr2 + CO2 =>
2 C + FeCr2O4 = FeCr2 + 2 CO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
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