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2 ZnS + 3 O2 = 2 ZnO + 2 SO2
FeS + NO2{-} + H{+} = Fe{3+} + SO3{2-} + H2O + NO =>
FeS + 7 NO2{-} + 8 H{+} = Fe{3+} + SO3{2-} + 4 H2O + 7 NO
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Ca3(PPO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
Ca3(PPO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + P4 + 5 CO
Ag + FeCl2 = AgCl + Fe =>
2 Ag + FeCl2 = 2 AgCl + Fe
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
I2 + Na2SO3 + H2O = Na2SO4 + HI =>
I2 + Na2SO3 + H2O = Na2SO4 + 2 HI
PbO2 + CO2 = Pb(CO3)2 =>
PbO2 + 2 CO2 = Pb(CO3)2
HS + SO2 = S8 + H2O =>
32 HS + 8 SO2 = 5 S8 + 16 H2O
Na2C6H8O8 + CaCO3 = CaC6H8O8 + Na2CO3 =>
Na2C6H8O8 + CaCO3 = CaC6H8O8 + Na2CO3
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
HCl + CrS = CrCl + HS =>
HCl + CrS = CrCl + HS
C18H36O2 + ZnO = C36H70O4Zn + H2O =>
2 C18H36O2 + ZnO = C36H70O4Zn + H2O
NH4HCO3 + H2O2 = NHCO3 + H2O =>
NH4HCO3 + 2 H2O2 = NHCO3 + 4 H2O
HNO4 + H2S = NO + S + H2O =>
2 HNO4 + 5 H2S = 2 NO + 5 S + 6 H2O
K2O(s) + HNO3(aq) = H2O(l) + KNO3(aq) =>
K2O(s) + 2 HNO3(aq) = H2O(l) + 2 KNO3(aq)
FeS + Na(OH) = Fe(OH)2 + Na2S =>
FeS + 2 Na(OH) = Fe(OH)2 + Na2S
H3Po4 + Na2O = Na3Po4 + H2O =>
2 H3Po4 + 3 Na2O = 2 Na3Po4 + 3 H2O
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
C5H11NH + O2 = CO2 + H2O + NO2 =>
C5H11NH + 9 O2 = 5 CO2 + 6 H2O + NO2
Ca(OH)2(t) = CaO + H2O =>
Ca(OH)2(t) = CaO + H2O
NaClO3 + SO2 = ClO2 + Na2SO4 =>
2 NaClO3 + SO2 = 2 ClO2 + Na2SO4
KPO4 + MgI2 = Mg(PO4)2 + KI =>
2 KPO4 + MgI2 = Mg(PO4)2 + 2 KI
MnO + Si = Mn + SiO2 =>
2 MnO + Si = 2 Mn + SiO2
MgBr2 + N2 = Mg3N2 + Br2 =>
3 MgBr2 + N2 = Mg3N2 + 3 Br2
C6H12O + H4 = C6H14O =>
2 C6H12O + H4 = 2 C6H14O
NaNO3 + AgCl = NaClAgNO3 =>
NaNO3 + AgCl = NaClAgNO3
Ti + C + N = TiCN =>
Ti + C + N = TiCN
CH3COONa + H2SO4 = CH3COOH + NaHSO4 =>
CH3COONa + H2SO4 = CH3COOH + NaHSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + H{+} + Cr2O7{2-} = Zn{2+} + Cr{3+} + H2O =>
3 Zn + 14 H{+} + Cr2O7{2-} = 3 Zn{2+} + 2 Cr{3+} + 7 H2O
AgClNH3 + KI = AgI + KCl + NH3 =>
AgClNH3 + KI = AgI + KCl + NH3
C17H16O4N2 + O2 = HCN + CO + H2O =>
C17H16O4N2 + 9 O2 = 2 HCN + 15 CO + 7 H2O
C3H7I + CH3I + Na = C4H10 + NaI =>
C3H7I + CH3I + 2 Na = C4H10 + 2 NaI
Ba(OH)2 + FeSO4 = Fe(OH)2 + BaSO4 =>
Ba(OH)2 + FeSO4 = Fe(OH)2 + BaSO4
NH4Br = NH3 + BrH =>
NH4Br = NH3 + BrH
Ca5(PO4)3OH + H3PO4 = Ca(H2PO4)2 + H2O =>
Ca5(PO4)3OH + 7 H3PO4 = 5 Ca(H2PO4)2 + H2O
NH2CH2COOH + Mg = (NH2CH2COO)2Mg + H2 =>
2 NH2CH2COOH + Mg = (NH2CH2COO)2Mg + H2
KReO4 + H2 = Re + H2O + K =>
KReO4 + 4 H2 = Re + 4 H2O + K
KClO2 + H2O2 = KClO3 + H2O =>
KClO2 + H2O2 = KClO3 + H2O
PBr3 + H2O = POBr + HBr =>
PBr3 + H2O = POBr + 2 HBr
Ba(NO3)2 + Ca(NO3)2 = BaCa + (NO3)2 =>
Ba(NO3)2 + Ca(NO3)2 = BaCa + 2(NO3)2
Al + CO2 = AlCO2 = Al2O3 + CO =>
Al + CO2 = AlCO2
HNO3(aq) + C2H6O(aq) + K2Cr2O7(aq) = KNO3(aq) + C2H4O(aq) + H2O(l) + Cr(NO3)3(aq) =>
8 HNO3(aq) + 3 C2H6O(aq) + K2Cr2O7(aq) = 2 KNO3(aq) + 3 C2H4O(aq) + 7 H2O(l) + 2 Cr(NO3)3(aq)
NaClO + NaI + HCl = I2 + H2O + NaCl =>
NaClO + 2 NaI + 2 HCl = I2 + H2O + 3 NaCl
H2C3H2O4 + KOH = H2O + KHC3H2O4 =>
H2C3H2O4 + KOH = H2O + KHC3H2O4
Pb + MoO4 = PbMoO4 =>
Pb + MoO4 = PbMoO4
Hg + Ca(ClO3)2 = HgClO3 + Ca =>
2 Hg + Ca(ClO3)2 = 2 HgClO3 + Ca
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