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2 SO2 + O2 = 2 SO3
TiOCl2 + HCl = TiCl4 + H2O =>
TiOCl2 + 2 HCl = TiCl4 + H2O
HBr + Fe = FeBr3 + H2 =>
6 HBr + 2 Fe = 2 FeBr3 + 3 H2
C3H4NH2O2 + O2 = CO2 + H2O + NH3 =>
4 C3H4NH2O2 + 11 O2 = 12 CO2 + 6 H2O + 4 NH3
Be + O2 = BeO =>
2 Be + O2 = 2 BeO
C2H2(g) + O2 = CO2(g) + CH4 =>
2 C2H2(g) + 3 O2 = 3 CO2(g) + CH4
HOSO2 + O2 = OH2 + SO3 =>
4 HOSO2 + O2 = 2 OH2 + 4 SO3
BeO + K2S2O7 = K2Be(SO4)2 =>
BeO + K2S2O7 = K2Be(SO4)2
KOH(s) + NiSO4(aq) = K2SO4(aq) + Ni(OH)2(aq) =>
2 KOH(s) + NiSO4(aq) = K2SO4(aq) + Ni(OH)2(aq)
Zn + H2S = ZnH2 + S =>
Zn + H2S = ZnH2 + S
Fe3O4 + NO3{-} + H{+} + H2O = FeOOH + N2 =>
10 Fe3O4 + 2 NO3{-} + 2 H{+} + 14 H2O = 30 FeOOH + N2
Br2 + O2 = Br4O2 =>
2 Br2 + O2 = Br4O2
Mg(ClO3)2 = MgCl2 + O3 =>
Mg(ClO3)2 = MgCl2 + 2 O3
NH4 + NO3 + NaOH = NH4OH + NaNO3 =>
NH4 + NO3 + NaOH = NH4OH + NaNO3
C6H5OH + CO2 = C6H5CO2H + O2 =>
2 C6H5OH + 2 CO2 = 2 C6H5CO2H + O2
CaCO3 + Yb2O3 + NiO + Re + ReO3 = CaYbNiReO6 + CO2 =>
6 CaCO3 + 3 Yb2O3 + 6 NiO + Re + 5 ReO3 = 6 CaYbNiReO6 + 6 CO2
Li2S + BaBr2 = Li2Br2 + SBa =>
Li2S + BaBr2 = Li2Br2 + SBa
Mg + H2O = Mg(H2O) =>
Mg + H2O = Mg(H2O)
NH3 + O2 = N(O2)3 + H2O =>
4 NH3 + 15 O2 = 4 N(O2)3 + 6 H2O
Mg(s) + HCl(aq) = (MgCl)2(aq) + H2(g) =>
2 Mg(s) + 2 HCl(aq) = (MgCl)2(aq) + H2(g)
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Al(OH)3 + NH4Cl = AlCl3 + NH3 + H2O =>
Al(OH)3 + 3 NH4Cl = AlCl3 + 3 NH3 + 3 H2O
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
[Zn(NH3)4]Cl2 + CH3COOH = Zn(CH3COO)2 + NH3 + HCl =>
[Zn(NH3)4]Cl2 + 2 CH3COOH = Zn(CH3COO)2 + 4 NH3 + 2 HCl
P4(s) + KOH(aq) + H2O(l) = PH3(aq) + KH2PO2(aq) =>
P4(s) + 3 KOH(aq) + 3 H2O(l) = PH3(aq) + 3 KH2PO2(aq)
P = P3 =>
3 P = P3
Cu2SO4 + (NH4)3PO4 = (NH4)2SO4 + Cu3PO4 =>
3 Cu2SO4 + 2(NH4)3PO4 = 3(NH4)2SO4 + 2 Cu3PO4
Ti + CO = TiCO =>
Ti + CO = TiCO
K2Cr2O7 + K2SO4 + H2O = K2CrO4 + H2SO4 =>
K2Cr2O7 + K2SO4 + H2O = 2 K2CrO4 + H2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CeCl3 + NH4OH + H2O2 = Ce(OH)3(OOH) + NH4Cl + H2O =>
2 CeCl3 + 6 NH4OH + 3 H2O2 = 2 Ce(OH)3(OOH) + 6 NH4Cl + 2 H2O
NaHCO3 + CH3COOH = NaCH3 + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3 + H2O + 2 CO2
K2Cr2O7 + K2SO4 + H2O = K2CrO4 + H2SO4 =>
K2Cr2O7 + K2SO4 + H2O = 2 K2CrO4 + H2SO4
CH3COCH3 = C2H4 + CO + H2 =>
CH3COCH3 = C2H4 + CO + H2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Cr(OH)3 + H2SO4 = Cr2(SO4)3 + H2O =>
2 Cr(OH)3 + 3 H2SO4 = Cr2(SO4)3 + 6 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
K2Cr2O7 + H2O + Zn = Zn(OH)2 + Cr(OH)3 + KOH =>
K2Cr2O7 + 7 H2O + 3 Zn = 3 Zn(OH)2 + 2 Cr(OH)3 + 2 KOH
CH3CH2COOH + HCl = CH3CH2COCl + H2O =>
CH3CH2COOH + HCl = CH3CH2COCl + H2O
NH3 + CaCl2 + H2O = [NH4]Cl + Ca(OH)2 =>
2 NH3 + CaCl2 + 2 H2O = 2[NH4]Cl + Ca(OH)2
Pb + HNO3 + KI = PbI2 + KNO3 + N2 + H2O =>
5 Pb + 12 HNO3 + 10 KI = 5 PbI2 + 10 KNO3 + N2 + 6 H2O
K4[Fe(CN)6] = Fe3C + C + N2 + KCN =>
3 K4[Fe(CN)6] = Fe3C + 5 C + 3 N2 + 12 KCN
H + BiO = Bi + H2O =>
2 H + BiO = Bi + H2O
Ca(OH)2 + NH4NO3 = Ca(NO3)2 + H2O + HN3 =>
Ca(OH)2 + 4 NH4NO3 = Ca(NO3)2 + 8 H2O + 2 HN3
FeOOH = Fe3O4 + H2O + O2 =>
12 FeOOH = 4 Fe3O4 + 6 H2O + O2
C + Ca3(PO4)2 + SiO2 = CaSiO3 + CO + P4 =>
10 C + 2 Ca3(PO4)2 + 6 SiO2 = 6 CaSiO3 + 10 CO + P4
Br(aq) + KI(aq) = KBr(aq) + I(aq) =>
Br(aq) + KI(aq) = KBr(aq) + I(aq)
MgCO3 + CH3COOH = Mg(CH3COO)2 + CO2 + H2O =>
MgCO3 + 2 CH3COOH = Mg(CH3COO)2 + CO2 + H2O
Fe + Co2 = FeCo =>
2 Fe + Co2 = 2 FeCo
MgSO4 + Ca(No3)2 = Mg(No3)2 + CaSO4 =>
MgSO4 + Ca(No3)2 = Mg(No3)2 + CaSO4
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