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4 HSO4 + 2 Fe = Fe2(SO4)3 + SO2 + 2 H2O
V2O5 + KI + H2SO4 = V2(SO4)3 + K2SO4 + I2 + H2O =>
V2O5 + 4 KI + 5 H2SO4 = V2(SO4)3 + 2 K2SO4 + 2 I2 + 5 H2O
NH3 + FeO = Fe + H2O + N2 =>
2 NH3 + 3 FeO = 3 Fe + 3 H2O + N2
AlH4(O4)2 + H4 = Al2O3 + H2O =>
4 AlH4(O4)2 + 9 H4 = 2 Al2O3 + 26 H2O
C(s) + H2(g) + Cl2(g) = CHCl3 =>
2 C(s) + H2(g) + 3 Cl2(g) = 2 CHCl3
C3H5NO33 = N2 + O2 + H2O + CO2 =>
4 C3H5NO33 = 2 N2 + 49 O2 + 10 H2O + 12 CO2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CH3COOH + Ca = Ca2CH3COO + H2 =>
2 CH3COOH + 4 Ca = 2 Ca2CH3COO + H2
Zn + NiNO3 = ZnNO3 + Ni =>
Zn + NiNO3 = ZnNO3 + Ni
C2H6O + O2 = CH3COOH + H2O =>
C2H6O + O2 = CH3COOH + H2O
CH3CHCH2 + K2Cr2O7 + HCl = CH3CH2CHO + KCl + CrCl3 + H2O =>
3 CH3CHCH2 + K2Cr2O7 + 8 HCl = 3 CH3CH2CHO + 2 KCl + 2 CrCl3 + 4 H2O
FeSO3 + HNO3 = NO + FeSO4 + H2O =>
3 FeSO3 + 2 HNO3 = 2 NO + 3 FeSO4 + H2O
Na2S + KClO3 = K2S + NaCl + O2 =>
Na2S + 2 KClO3 = K2S + 2 NaCl + 3 O2
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
Ba(OH)2*H2O + CO2 = Ba(HCO3)2 + H2O =>
Ba(OH)2*H2O + 2 CO2 = Ba(HCO3)2 + H2O
AgNo3 + NaSO = AgSO + NaNo3 =>
AgNo3 + NaSO = AgSO + NaNo3
NaMnO4 + KOH = KMnO4 + NaOH =>
NaMnO4 + KOH = KMnO4 + NaOH
C25H58 + O2 = CO + H2O =>
C25H58 + 27 O2 = 25 CO + 29 H2O
As2S2 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S2 + 22 HNO3 + 4 H2O = 6 H2SO4 + 6 H3AsO4 + 22 NO
Mn + F2 = MnF7 =>
2 Mn + 7 F2 = 2 MnF7
C(s) + O(g) = CO2 =>
C(s) + 2 O(g) = CO2
H3C6H5O7 + Ca3(PO4)2 = H3PO4 + Ca3(C6H5O7)2 =>
2 H3C6H5O7 + Ca3(PO4)2 = 2 H3PO4 + Ca3(C6H5O7)2
Ca + Pt2SiO4 = Ca2SiO4 + Pt =>
2 Ca + Pt2SiO4 = Ca2SiO4 + 2 Pt
HCOOAg + NaOH = HCOONa + AgOH =>
HCOOAg + NaOH = HCOONa + AgOH
FeSO3 + HNO3 = NO + FeSO4 + H2 =>
4 FeSO3 + 2 HNO3 = 2 NO + 4 FeSO4 + H2
CH3CHCH2 + K2Cr2O7 + HCl = CH3CH2CHO + KCl + CrCl3 + H2O =>
3 CH3CHCH2 + K2Cr2O7 + 8 HCl = 3 CH3CH2CHO + 2 KCl + 2 CrCl3 + 4 H2O
Pb + Ag3PO4 = Pb3(PO4)2 + Ag =>
3 Pb + 2 Ag3PO4 = Pb3(PO4)2 + 6 Ag
Sr + CuCl2 = SrCl2 + Cu =>
Sr + CuCl2 = SrCl2 + Cu
H2 + NiCl2 = HCl + Ni =>
H2 + NiCl2 = 2 HCl + Ni
CuCl2(aq) + KI(aq) = CuI2(s) + KCl(aq) =>
CuCl2(aq) + 2 KI(aq) = CuI2(s) + 2 KCl(aq)
FeSO3 + HNO3 = NO + FeSO4 + H =>
2 FeSO3 + HNO3 = NO + 2 FeSO4 + H
Sb(s) + O2(g) = SbO5(s) =>
2 Sb(s) + 5 O2(g) = 2 SbO5(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H7NO2 + C12H22O11 + CH3OH = C10H15N + H2O =>
3 H7NO2 + C12H22O11 + 18 CH3OH = 3 C10H15N + 35 H2O
Fe + P2O5 = FeO + P =>
5 Fe + P2O5 = 5 FeO + 2 P
CCl4 + NaOH = C(OH)4 + NaCl =>
CCl4 + 4 NaOH = C(OH)4 + 4 NaCl
KMnO4 + KBr + CH3COOH = Br2 + CH3COOK + Mn(CH3COO)2 + H2O =>
2 KMnO4 + 10 KBr + 16 CH3COOH = 5 Br2 + 12 CH3COOK + 2 Mn(CH3COO)2 + 8 H2O
H2CO3 + K = KCO3 + H2 =>
H2CO3 + K = KCO3 + H2
H2S + H2 = H3S =>
2 H2S + H2 = 2 H3S
K + S = K2S =>
2 K + S = K2S
NH4VO3 + SnCl2 + HCl = VOCl2 + H2SnCl6 + NH4Cl + H2O =>
2 NH4VO3 + SnCl2 + 10 HCl = 2 VOCl2 + H2SnCl6 + 2 NH4Cl + 4 H2O
K2Cr2O7 + H2SO4 + C2H6O + H2O = KCr(SO4)2*12H2O + C2H4O =>
K2Cr2O7 + 4 H2SO4 + 3 C2H6O + 17 H2O = 2 KCr(SO4)2*12H2O + 3 C2H4O
Br + Cl = BrCl =>
Br + Cl = BrCl
Cr2O7{2-} + CH3OH + H3O{+} = Cr{3+} + CH2O + H2O =>
Cr2O7{2-} + 3 CH3OH + 8 H3O{+} = 2 Cr{3+} + 3 CH2O + 15 H2O
(NH4)Cl + Pb(NO3)2 = NH4(NO3)2 + PbCl =>
(NH4)Cl + Pb(NO3)2 = NH4(NO3)2 + PbCl
C9H18 + KMnO4 + H2O = C9H20O2 + MnO2 + KOH =>
3 C9H18 + 2 KMnO4 + 4 H2O = 3 C9H20O2 + 2 MnO2 + 2 KOH
NaNO2 + HNO2 = NaH + NO2 =>
NaNO2 + HNO2 = NaH + 2 NO2
P + O2(g) = PO =>
2 P + O2(g) = 2 PO
FeCl3 + Cs3(PO4) = Fe(PO4) + CsCl =>
FeCl3 + Cs3(PO4) = Fe(PO4) + 3 CsCl
Pb(OH)2 + H2SO4 = PbSO4 + H2O =>
Pb(OH)2 + H2SO4 = PbSO4 + 2 H2O
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