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4 H2O + 7 CO2 = C7H8 + 9 O2
NH2OH + KMnO4 + HCl = N2O + Mn(OH)2 + KCl + H2O =>
10 NH2OH + 4 KMnO4 + 4 HCl = 5 N2O + 4 Mn(OH)2 + 4 KCl + 13 H2O
FeS + KOH = Fe(OH) + KS =>
FeS + KOH = Fe(OH) + KS
KOH + HC2H5O2 = HC2OH + KH5O2 =>
KOH + HC2H5O2 = HC2OH + KH5O2
NaHSO3 + CuS2 = NaS2 + CuHSO3 =>
NaHSO3 + CuS2 = NaS2 + CuHSO3
CrCe3 + Cr = CrCe2 =>
2 CrCe3 + Cr = 3 CrCe2
HCl + CuCO3 = CO2 + CuCl2 + H2O =>
2 HCl + CuCO3 = CO2 + CuCl2 + H2O
Na3PO4 + Ni(NO3)2(aq) = Ni3(PO4)2 + NaNO3(aq) =>
2 Na3PO4 + 3 Ni(NO3)2(aq) = Ni3(PO4)2 + 6 NaNO3(aq)
Cd(s) + H2SO4(aq) = CdO4 + SH2 =>
Cd(s) + H2SO4(aq) = CdO4 + SH2
N + HCl = H2 + NCl2 =>
N + 2 HCl = H2 + NCl2
C3NH6O2 + O2 = NH3 + CO2 + H2O =>
4 C3NH6O2 + 11 O2 = 4 NH3 + 12 CO2 + 6 H2O
Ca3(PO4)2 + SO2 + C = CaSO3 + CO + P =>
Ca3(PO4)2 + 3 SO2 + 5 C = 3 CaSO3 + 5 CO + 2 P
Na2CO3 + Zn = Na + Zn2CO3 =>
Na2CO3 + 2 Zn = 2 Na + Zn2CO3
LiCr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + LiSO4 + H2O =>
LiCr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + LiSO4 + 7 H2O
K + HOH = H + KOH =>
K + HOH = H + KOH
CuSO4*5H2O + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4*5H2O + 4 NH4OH = [Cu(NH3)4]SO4 + 9 H2O
Pb + CO2 + O2 = PbCO3 =>
2 Pb + 2 CO2 + O2 = 2 PbCO3
Na3AsO4 + Na2S + HCl = AsCl3 + S + NaCl + H2O =>
Na3AsO4 + Na2S + 8 HCl = AsCl3 + S + 5 NaCl + 4 H2O
CO(NH2)2(s) + (NH4)2SO4 = CO(NH4)2 + (NH2)2SO4 =>
CO(NH2)2(s) + (NH4)2SO4 = CO(NH4)2 + (NH2)2SO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C12H22O11 + CH4N2O + C2H2 = C31H42N2O6 + O2 =>
8 C12H22O11 + 10 CH4N2O + 102 C2H2 = 10 C31H42N2O6 + 19 O2
KCr(SO4)2 + HCl + H2O = Cr(H2O)6Cl3 + KCl + H2SO4 =>
KCr(SO4)2 + 4 HCl + 6 H2O = Cr(H2O)6Cl3 + KCl + 2 H2SO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Rb2S + H2O = RbOH + H2S =>
Rb2S + 2 H2O = 2 RbOH + H2S
(NH4) + SO4 + KOH = NH3 + K2SO4 + H2O =>
2(NH4) + SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
Cu(NO3)2 + CrCl3 = CuCl2 + Cr(NO3)3 =>
3 Cu(NO3)2 + 2 CrCl3 = 3 CuCl2 + 2 Cr(NO3)3
H2B6 + H2O = H3BO3 + H2 =>
H2B6 + 18 H2O = 6 H3BO3 + 10 H2
AlBr3 + Cl = AlCl3 + Br =>
AlBr3 + 3 Cl = AlCl3 + 3 Br
H3PO4(aq) + Ca(OH)2 = Ca3(PO4)2 + H2O(l) =>
2 H3PO4(aq) + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O(l)
FeS = Fe + S =>
FeS = Fe + S
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Na4(CO3)2 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 Na4(CO3)2 + 4 H3C6H5O7 = 6 CO2 + 6 H2O + 4 Na3C6H5O7
NaCl + CdS = Na2S + CdCl2 =>
2 NaCl + CdS = Na2S + CdCl2
P4 + S8 = P2S3 =>
4 P4 + 3 S8 = 8 P2S3
SrCrO4 + CH3COOH = (CH3COO)2Sr + H2CrO4 =>
SrCrO4 + 2 CH3COOH = (CH3COO)2Sr + H2CrO4
FeSO4CH3COONa = Fe(CH3COO)NaSO4 =>
FeSO4CH3COONa = Fe(CH3COO)NaSO4
LiHCO3 + H2SO4 = Li2SO4 + CO2 + H2O =>
2 LiHCO3 + H2SO4 = Li2SO4 + 2 CO2 + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HgS + H = Hg + H2S =>
HgS + 2 H = Hg + H2S
HCl + FeBr = HBr + FeCl =>
HCl + FeBr = HBr + FeCl
KMnO4 + S + Al = K2S + MnO2 + Al2O3 =>
6 KMnO4 + 3 S + 8 Al = 3 K2S + 6 MnO2 + 4 Al2O3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2S + Al(OH)2 = Al2S2 + H2O =>
2 H2S + 2 Al(OH)2 = Al2S2 + 4 H2O
KOH + Cl3 = KCl + KClO3 + H2O =>
6 KOH + 2 Cl3 = 5 KCl + KClO3 + 3 H2O
Mg3N2 + Ca = Ca3N2 + Mg =>
Mg3N2 + 3 Ca = Ca3N2 + 3 Mg
MnO2 + Hg + HCl = Mn + Hg2Cl2 + H2O =>
MnO2 + 4 Hg + 4 HCl = Mn + 2 Hg2Cl2 + 2 H2O
AlCl3(aq) + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3(aq) + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
Sb2O5 + KI + HCl = SbCl3 + KCl + I2 + H2O =>
Sb2O5 + 4 KI + 10 HCl = 2 SbCl3 + 4 KCl + 2 I2 + 5 H2O
Fe2O3 + FeI2 + S = Fe3O4 + SIO2 =>
16 Fe2O3 + FeI2 + 2 S = 11 Fe3O4 + 2 SIO2
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