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2 K2Cr2O7 + 3 H2S + 7 H2SO4 = 2 SCr2(SO4)3 + 10 H2O + 2 K2SO4
As2S3 + H2O2 + NH3 = (NH4)2SO4 + NH4AsO3 + H2O =>
As2S3 + 14 H2O2 + 8 NH3 = 3(NH4)2SO4 + 2 NH4AsO3 + 10 H2O
Na2CO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + Na2SO4 =>
Na2CO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + Na2SO4
C6H6 + HBr = C6H5BrH2 =>
C6H6 + HBr = C6H5BrH2
Sb2O3 + H2O = HSbO2 =>
Sb2O3 + H2O = 2 HSbO2
Na3(PO4) + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
Ge + HCl = GeCl4 + H2 =>
Ge + 4 HCl = GeCl4 + 2 H2
Zn + Al2(SO4)3 = Zn(SO4) + Al2 =>
3 Zn + Al2(SO4)3 = 3 Zn(SO4) + Al2
Cr(OH)3 + KOH + PbO2 = K2CrO4 + K2PbO2 + H2O =>
2 Cr(OH)3 + 10 KOH + 3 PbO2 = 2 K2CrO4 + 3 K2PbO2 + 8 H2O
CH2O + NH3 + HCN = N(CH2CN)3 + H2O =>
3 CH2O + NH3 + 3 HCN = N(CH2CN)3 + 3 H2O
C9H20(l) + O2(g) = CO2 + H2O =>
C9H20(l) + 14 O2(g) = 9 CO2 + 10 H2O
C10H16N2O8 + O2 = CO2 + H2O + NO2 =>
C10H16N2O8 + 12 O2 = 10 CO2 + 8 H2O + 2 NO2
NH4VO3 + H2SO4 + Zn = VOSO4 + (NH4)2SO4 + H2O + ZnSO4 =>
2 NH4VO3 + 4 H2SO4 + Zn = 2 VOSO4 + (NH4)2SO4 + 4 H2O + ZnSO4
MgCO3(heat) = MgO + CO2 =>
MgCO3(heat) = MgO + CO2
K2NbOF5 + Na = Nb + NaF + K2O =>
K2NbOF5 + 5 Na = Nb + 5 NaF + K2O
VO + H2O = VO2 + H =>
VO + H2O = VO2 + 2 H
Sr(NO3)2 + K2CrO4 = SrCrO4 + K(NO3) =>
Sr(NO3)2 + K2CrO4 = SrCrO4 + 2 K(NO3)
Fe + HO4S = Fe2(SO4)3 + H2 =>
4 Fe + 6 HO4S = 2 Fe2(SO4)3 + 3 H2
Fe + O2 = Fe2(O2)3 =>
2 Fe + 3 O2 = Fe2(O2)3
CF2Cl2 = C + F + Cl =>
CF2Cl2 = C + 2 F + 2 Cl
HClO3 = HCl + O2 =>
2 HClO3 = 2 HCl + 3 O2
MgCl2 + NaNO3 = Mg(NO3)2 + NaCl =>
MgCl2 + 2 NaNO3 = Mg(NO3)2 + 2 NaCl
NH3 + HBrO = N2 + HBr + H2O =>
2 NH3 + 3 HBrO = N2 + 3 HBr + 3 H2O
KIO3 + KHSO3 = KI + K2SO4 + H2SO4 =>
2 KIO3 + 6 KHSO3 = 2 KI + 3 K2SO4 + 3 H2SO4
HCl + Mn2O3 = MnCl2 + H2O + Cl2 =>
6 HCl + Mn2O3 = 2 MnCl2 + 3 H2O + Cl2
K2CO3(aq) + Ba(NO3)2(aq) = K2(NO3)2 + BaCO3 =>
K2CO3(aq) + Ba(NO3)2(aq) = K2(NO3)2 + BaCO3
CC + O2 = CO2 =>
CC + 2 O2 = 2 CO2
NaHSO4 + Ca(OH)2 = Na2SO4 + H2O + CaSO4 =>
2 NaHSO4 + Ca(OH)2 = Na2SO4 + 2 H2O + CaSO4
Na3(PO4) + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
Ag(s) + H2S(g) + O2 = Ag2S(s)(tarnish) + H2O(l) =>
4 Ag(s) + 2 H2S(g) + O2 = 2 Ag2S(s)(tarnish) + 2 H2O(l)
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
H3PO2 + KMnO4 + H2SO4 = H3PO3 + MnSO4 + K2SO4 + H2O =>
5 H3PO2 + 2 KMnO4 + 3 H2SO4 = 5 H3PO3 + 2 MnSO4 + K2SO4 + 3 H2O
CH2O = CO + H2 =>
CH2O = CO + H2
IBr3 + F2 = IF5 + BrF3 =>
IBr3 + 7 F2 = IF5 + 3 BrF3
H2SO4 + Mg(CH3COO)2 = MgSO4 + CH3COOH =>
H2SO4 + Mg(CH3COO)2 = MgSO4 + 2 CH3COOH
Cu + KNO3 + H2SO4 = Cu(NO3)2 + K2SO4 + NO + H2O =>
3 Cu + 8 KNO3 + 4 H2SO4 = 3 Cu(NO3)2 + 4 K2SO4 + 2 NO + 4 H2O
MoO3 + H2O = Mo(OH)6 =>
MoO3 + 3 H2O = Mo(OH)6
Cl2O + Ba(OH)2 = Ba(ClO)2 + H2O =>
Cl2O + Ba(OH)2 = Ba(ClO)2 + H2O
H2CrO4 + AgNO3 = Ag2CrO4 + HNO3 =>
H2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 HNO3
Na4V2O7 + H2SO4 = Na4V6O17 + Na2SO4 + H2O =>
3 Na4V2O7 + 4 H2SO4 = Na4V6O17 + 4 Na2SO4 + 4 H2O
Cu + Fe(NO3)3 = CuNO3 + Fe =>
3 Cu + Fe(NO3)3 = 3 CuNO3 + Fe
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
C3H8 = C + H2 =>
C3H8 = 3 C + 4 H2
HNO3 + H2Se = NO + Se + H2O =>
2 HNO3 + 3 H2Se = 2 NO + 3 Se + 4 H2O
I2 + F2 = IF =>
I2 + F2 = 2 IF
NH4Cl + Y2O3 = (NH4)2[YCl5] + NH3 + H2O =>
10 NH4Cl + Y2O3 = 2(NH4)2[YCl5] + 6 NH3 + 3 H2O
HClO4 + HBr = HCl + Br2 + H2O =>
HClO4 + 8 HBr = HCl + 4 Br2 + 4 H2O
Cr2(SO4)3(aq) + (NH4)2CO3(aq) = Cr2(CO3)3(s) + (NH4)2SO4(aq) =>
Cr2(SO4)3(aq) + 3(NH4)2CO3(aq) = Cr2(CO3)3(s) + 3(NH4)2SO4(aq)
NaCl(aq) + H2O = NaOH + Cl2 + H2 =>
2 NaCl(aq) + 2 H2O = 2 NaOH + Cl2 + H2
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