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2 H2S + SO2 = 2 H2O + 3 S
KOH(aq) + NiSO4(aq) = K2SO4(s) + Ni(OH)2(aq) =>
2 KOH(aq) + NiSO4(aq) = K2SO4(s) + Ni(OH)2(aq)
SI3 + Cl2 = SCl3 + I2 =>
2 SI3 + 3 Cl2 = 2 SCl3 + 3 I2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Al + Fe3O4 = Al2O + Fe =>
8 Al + Fe3O4 = 4 Al2O + 3 Fe
Lithiumcarbonate + hydrochloricacid = Lithiumchloride + carbondioxide + water =>
Li2CO3 + 2 HCl = 2 LiCl + CO2 + H2O
Pd + H2 = PdH =>
2 Pd + H2 = 2 PdH
Na2S + Pb = NaPb + S =>
Na2S + 2 Pb = 2 NaPb + S
Co3O4(s) + C(s) = Co(s) + CO2(g) =>
Co3O4(s) + 2 C(s) = 3 Co(s) + 2 CO2(g)
P4(s) + H2(g) = PH3(g) =>
P4(s) + 6 H2(g) = 4 PH3(g)
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
ZnCl + Na2SO4 = Zn2SO4 + NaCl =>
2 ZnCl + Na2SO4 = Zn2SO4 + 2 NaCl
FeS4 + O2 = FeO3 + SO2 =>
2 FeS4 + 11 O2 = 2 FeO3 + 8 SO2
K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 HI + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 I2 + 7 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NH2 + H2SO4(g) = NH4SO4 =>
NH2 + H2SO4(g) = NH4SO4
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
MgO*4SiO2*H2O = MgO*SiO2 + SiO2 + H2O =>
MgO*4SiO2*H2O = MgO*SiO2 + 3 SiO2 + H2O
KOH + NaCl = KCl + NaOH =>
KOH + NaCl = KCl + NaOH
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
(NH4)2SO4(aq) + NaCl(aq) = Na2SO4(aq) + NH4Cl(aq) =>
(NH4)2SO4(aq) + 2 NaCl(aq) = Na2SO4(aq) + 2 NH4Cl(aq)
H3PO3 + Sn(OH)4 = Sn3(PO3)4 + H2O =>
4 H3PO3 + 3 Sn(OH)4 = Sn3(PO3)4 + 12 H2O
CO(g) + H2(g) = CH3OH(g) =>
CO(g) + 2 H2(g) = CH3OH(g)
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
KClO4 + KI + H2SO4 = KCl + I2 + K2SO4 + H2O =>
KClO4 + 8 KI + 4 H2SO4 = KCl + 4 I2 + 4 K2SO4 + 4 H2O
NaMnO4 + Ba(NO2)2 + H2O = MnO2 + NaOH + Ba(NO3)2 =>
4 NaMnO4 + 3 Ba(NO2)2 + 2 H2O = 4 MnO2 + 4 NaOH + 3 Ba(NO3)2
C7H6O3 + C4H6O3 = C9H8O4 + CH3COOH =>
C7H6O3 + C4H6O3 = C9H8O4 + CH3COOH
PbSO4 + AgNO3 = Pb(NO3)2 + Ag2SO4 =>
PbSO4 + 2 AgNO3 = Pb(NO3)2 + Ag2SO4
PbF2 + KI = PbI2 + KF =>
PbF2 + 2 KI = PbI2 + 2 KF
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
SiF4 + Cu(OH)2 = CuF2 + SiO2 + H2O =>
SiF4 + 2 Cu(OH)2 = 2 CuF2 + SiO2 + 2 H2O
C10H16(g) + Cl2(g) = C(s) + HCl(aq) =>
C10H16(g) + 8 Cl2(g) = 10 C(s) + 16 HCl(aq)
Fe2S3O12 = Fe2O3 + SO3 =>
Fe2S3O12 = Fe2O3 + 3 SO3
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
K2S + O2 = KO + SO2 =>
K2S + 2 O2 = 2 KO + SO2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Mg + Fe(NO3)3 = Mg(NO3)2 + Fe =>
3 Mg + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 Fe
NH3 + H2CO3 = NH4 + CO3 =>
2 NH3 + H2CO3 = 2 NH4 + CO3
NaHCO2 = Na2CO + CO2 + H2O =>
2 NaHCO2 = Na2CO + CO2 + H2O
CaCO3 + NH4NO3 = Ca(NO3)2 + (NH4)2CO3 =>
CaCO3 + 2 NH4NO3 = Ca(NO3)2 + (NH4)2CO3
KOH + KHSO4 = H2O + K2SO4 =>
KOH + KHSO4 = H2O + K2SO4
H2(g) + N2(g) + C(g) = HCN(g) =>
H2(g) + N2(g) + 2 C(g) = 2 HCN(g)
H3PO4(aq) + Ba(s) = Ba3(PO4)2 + H2 =>
2 H3PO4(aq) + 3 Ba(s) = Ba3(PO4)2 + 3 H2
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
FeH3 + H2O2 = Fe2O3 + H2 =>
4 FeH3 + 3 H2O2 = 2 Fe2O3 + 9 H2
K + N2 = K3N =>
6 K + N2 = 2 K3N
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
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