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SiO2 + 4 HF = SiF4 + 2 H2O
CoSO4 + NaHCO3 = CoCO3 + NaHSO4 =>
CoSO4 + NaHCO3 = CoCO3 + NaHSO4
(NH4)2C2O4 + HCl = HC2O4 + NH4 + Cl =>
(NH4)2C2O4 + HCl = HC2O4 + 2 NH4 + Cl
Na2SnO2 + HCl = SnCl2 + NaCl + H2O =>
Na2SnO2 + 4 HCl = SnCl2 + 2 NaCl + 2 H2O
B4H10 + O2 = B2O3 + H2O =>
2 B4H10 + 11 O2 = 4 B2O3 + 10 H2O
XH2O + XC3H6SO = XC3H6O + XH2SO4 + XH2S =>
4 XH2O + 4 XC3H6SO = 4 XC3H6O + XH2SO4 + 3 XH2S
Fe(OH)2 + NaOH + Br2 = Fe(OH)3 + NaBr =>
2 Fe(OH)2 + 2 NaOH + Br2 = 2 Fe(OH)3 + 2 NaBr
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KNO2 + KJ + H2SO4 = NO + H2O + J2 + K2SO4 =>
2 KNO2 + 2 KJ + 2 H2SO4 = 2 NO + 2 H2O + J2 + 2 K2SO4
Ag + HNO3 = AgNO3(aq) + NO2(g) + H2O(l) =>
Ag + 2 HNO3 = AgNO3(aq) + NO2(g) + H2O(l)
Na2SnO2 + HCl = SnCl2 + NaCl + H2O =>
Na2SnO2 + 4 HCl = SnCl2 + 2 NaCl + 2 H2O
C6H6 + CH3CHCH2 = C6H5(CH3CHCH3) =>
C6H6 + CH3CHCH2 = C6H5(CH3CHCH3)
Na + Sn = Na15Sn4 =>
15 Na + 4 Sn = Na15Sn4
Fe(s) + S8(l) = Fe2S3(s) =>
16 Fe(s) + 3 S8(l) = 8 Fe2S3(s)
Co(NO3)2 + Na3PO4 = NaNO3 + Co3(PO4)2 =>
3 Co(NO3)2 + 2 Na3PO4 = 6 NaNO3 + Co3(PO4)2
C2H2O4(aq) + KOH(aq) = KCO2 + H2O =>
C2H2O4(aq) + 2 KOH(aq) = 2 KCO2 + 2 H2O
C3H4 + H2 = C3H6 =>
C3H4 + H2 = C3H6
FeS2 + H2O + O = Fe2(SO4)3 + H2SO4 =>
2 FeS2 + H2O + 15 O = Fe2(SO4)3 + H2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2SnO2 + HCl = SnCl2 + NaCl + H2O =>
Na2SnO2 + 4 HCl = SnCl2 + 2 NaCl + 2 H2O
HCrO4 + KOH = K2Cr2O7 + H2O + O =>
2 HCrO4 + 2 KOH = K2Cr2O7 + 2 H2O + O
Fe + ZnCl2 = FeCl2 + Zn =>
Fe + ZnCl2 = FeCl2 + Zn
HIO4 + HBrO3 + Re(OH)3 = Re2[(IO4)(BrO3)]3 + H2O =>
3 HIO4 + 3 HBrO3 + 2 Re(OH)3 = Re2[(IO4)(BrO3)]3 + 6 H2O
C2H2O2 + KOH = C2HO2K + H2O =>
C2H2O2 + KOH = C2HO2K + H2O
Mg + HBr = H(g) + MgBr(aq) =>
Mg + HBr = H(g) + MgBr(aq)
Fe2(SO3)3 + SO2 + H2O = Fe2S3 + H2SO4 =>
Fe2(SO3)3 + 9 SO2 + 9 H2O = Fe2S3 + 9 H2SO4
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + NH3 =>
[Cu(NH3)4]SO4 + Na2S = CuS + Na2SO4 + 4 NH3
Fe2 + N2 = Fe3N2 =>
3 Fe2 + 2 N2 = 2 Fe3N2
BiCl3 + Na2[Sn(OH)4] + NaOH = Bi + Na2[Sn(OH)6] + NaCl =>
2 BiCl3 + 3 Na2[Sn(OH)4] + 6 NaOH = 2 Bi + 3 Na2[Sn(OH)6] + 6 NaCl
HNO3 + (H2SO3) = H2SO4 + NO + H2O =>
2 HNO3 + 3(H2SO3) = 3 H2SO4 + 2 NO + H2O
Cr2S3 + Mn(NO3)2 + Na2CO3 = NO + CO2 + Na2CrO4 + Na2MnNO4 + Na2SO4 =>
2 Cr2S3 + 15 Mn(NO3)2 + 25 Na2CO3 = 15 NO + 25 CO2 + 4 Na2CrO4 + 15 Na2MnNO4 + 6 Na2SO4
NaSbO2 + K3Fe(CN)6 + KOH = NaSbO3 + K4Fe(CN)6 + H2O =>
NaSbO2 + 2 K3Fe(CN)6 + 2 KOH = NaSbO3 + 2 K4Fe(CN)6 + H2O
C1H8 + O2 = H2O + CO2 =>
C1H8 + 3 O2 = 4 H2O + CO2
Cr(OH)3 + CaSO4 = Cr2(SO4)3 + Ca(OH)2 =>
2 Cr(OH)3 + 3 CaSO4 = Cr2(SO4)3 + 3 Ca(OH)2
Ca(OH)2 + H(C2H3O2) = Ca(C2H3O2)2 + H2O =>
Ca(OH)2 + 2 H(C2H3O2) = Ca(C2H3O2)2 + 2 H2O
VO2{+} + V2{+} + H{+} = VO{2+} + H2O =>
7 VO2{+} + V2{+} + 10 H{+} = 9 VO{2+} + 5 H2O
FeSO4(aq) + AgCl(s) = FeCl + AgSO4 =>
FeSO4(aq) + AgCl(s) = FeCl + AgSO4
Cl2 + H2O + SO2 = H2SO4 + HCl =>
Cl2 + 2 H2O + SO2 = H2SO4 + 2 HCl
Mn{2+} + ClO3{-} + H2O = MnO2 + Cl{-} + H{+} =>
3 Mn{2+} + ClO3{-} + 3 H2O = 3 MnO2 + Cl{-} + 6 H{+}
Fe3O4(s) + C(g) = Fe(s) + CO(g) =>
Fe3O4(s) + 4 C(g) = 3 Fe(s) + 4 CO(g)
Be3N2 + NaC2H3O2 = Be(C2H3O2)2 + Na3N =>
Be3N2 + 6 NaC2H3O2 = 3 Be(C2H3O2)2 + 2 Na3N
Ba{+2} + C2O4{-2} = Ba(C2O4) =>
Ba{+2} + C2O4{-2} = Ba(C2O4)
FeTiO3 + CI2 + C = TiCI4 + FeCI3 + CO =>
2 FeTiO3 + 7 CI2 + 3 C = 2 TiCI4 + 2 FeCI3 + 6 CO
NH4Cl(s) + Ba(OH)2*8H2O(s) = BaCl2(s) + NH3(aq) + H2O(l) =>
2 NH4Cl(s) + Ba(OH)2*8H2O(s) = BaCl2(s) + 2 NH3(aq) + 10 H2O(l)
CaCl2(s) + NaOH(aq) = Ca(OH)2 + NaCl(aq) =>
CaCl2(s) + 2 NaOH(aq) = Ca(OH)2 + 2 NaCl(aq)
HCOOH + CaOH = HCOOCa + H2O =>
HCOOH + CaOH = HCOOCa + H2O
Cl2 + H2O + Br = HCl + HBrO3 =>
5 Cl2 + 6 H2O + 2 Br = 10 HCl + 2 HBrO3
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
Na3(Al(OH)6) + HCl = H(Al(OH)6) + Na3Cl =>
Na3(Al(OH)6) + HCl = H(Al(OH)6) + Na3Cl
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