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2 Ca + 2 Si + 3 O2 = 2 CaSiO3
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
Ca + H2S = S + H2Ca =>
Ca + H2S = S + H2Ca
Al(ClO3)3 = Al + ClO3 =>
Al(ClO3)3 = Al + 3 ClO3
H(C2H3O2) + CaCO3 = H2O + CO2 + Ca(C2H3O2)2 =>
2 H(C2H3O2) + CaCO3 = H2O + CO2 + Ca(C2H3O2)2
HSO4{-} + H2O = H3O{+} + SO4{-2} =>
HSO4{-} + H2O = H3O{+} + SO4{-2}
Na2CO3(aq) + K3PO4(aq) = Na3PO4(aq) + K2CO3(aq) =>
3 Na2CO3(aq) + 2 K3PO4(aq) = 2 Na3PO4(aq) + 3 K2CO3(aq)
CH3CHC(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
18 CH3CHC(CH3)CH3 + 10 KMnO4 + 20 H2O = 15(CH3)2C(OH)C(OH)(CH3)2 + 10 MnO2 + 10 KOH
Kr(g) + F2(g) = KrF2(s) =>
Kr(g) + F2(g) = KrF2(s)
Zn + CrCl4 = CrCl2 + ZnCl2 =>
Zn + CrCl4 = CrCl2 + ZnCl2
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
CH2O + O2 = CO + H2O =>
2 CH2O + O2 = 2 CO + 2 H2O
C3H5N3O9 = CO2 + H2 + N2 + OO =>
2 C3H5N3O9 = 6 CO2 + 5 H2 + 3 N2 + 3 OO
NH3(g) + Br2(g) = HBr(g) + N2(g) =>
2 NH3(g) + 3 Br2(g) = 6 HBr(g) + N2(g)
Cr2O7{2-} + S + H{+} = OH{-} + SO2 + Cr203 =>
203 Cr2O7{2-} + 609 S + 203 H{+} = 203 OH{-} + 609 SO2 + 2 Cr203
Ba(MnO4)2 + HCl = BaCl2 + HMnO4 =>
Ba(MnO4)2 + 2 HCl = BaCl2 + 2 HMnO4
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
CS2 + Cl = CCl4 + SCl2 =>
CS2 + 8 Cl = CCl4 + 2 SCl2
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Na2SO3(aq) + HBr(aq) = NaBr(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HBr(aq) = 2 NaBr(aq) + H2O(l) + SO2(g)
H2SO4 + NaOH = SO4Na + H2OH =>
H2SO4 + NaOH = SO4Na + H2OH
Fe + Cu2(NO3) = Fe(NO3)2 + Cu =>
Fe + 2 Cu2(NO3) = Fe(NO3)2 + 4 Cu
Ca2(s) + N3(g) = CaN(s) =>
3 Ca2(s) + 2 N3(g) = 6 CaN(s)
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
H4Fe(CN)6 + Ba(NO3)2 = Ba2(Fe(CN)6) + HNO3 =>
H4Fe(CN)6 + 2 Ba(NO3)2 = Ba2(Fe(CN)6) + 4 HNO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
copper + sulfur = copper(I)sulfide =>
2 Cu + S = Cu2S
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
KMnO4(aq) + FeSO4(aq) + H2SO4(aq) = Fe2(SO4)3(aq) + MnSO4(aq) + K2SO4(aq) + H2O(l) =>
2 KMnO4(aq) + 10 FeSO4(aq) + 8 H2SO4(aq) = 5 Fe2(SO4)3(aq) + 2 MnSO4(aq) + K2SO4(aq) + 8 H2O(l)
Sn + HCl = SnCl + H2 =>
2 Sn + 2 HCl = 2 SnCl + H2
C6H5Br + C4H6O3 + CH2Cl2 = C8H7BrO + HCl =>
3 C6H5Br + C4H6O3 + 2 CH2Cl2 = 3 C8H7BrO + 4 HCl
NiCl3 + K2SiO3 = Ni2(SiO3)3 + KCl =>
2 NiCl3 + 3 K2SiO3 = Ni2(SiO3)3 + 6 KCl
Cu(OH)2 + HI = H2O + CuI2 =>
Cu(OH)2 + 2 HI = 2 H2O + CuI2
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
Sn + HCl = SnCl4 + H2 =>
Sn + 4 HCl = SnCl4 + 2 H2
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
Na2SO3(aq) + CaBr2(aq) = NaBr(aq) + CaSO3(s) =>
Na2SO3(aq) + CaBr2(aq) = 2 NaBr(aq) + CaSO3(s)
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
C2H5OH(s) + O2(g) = CO2(s) + H2O(s) =>
C2H5OH(s) + 3 O2(g) = 2 CO2(s) + 3 H2O(s)
BaO + H2SO3 = H2O + BaSO3 =>
BaO + H2SO3 = H2O + BaSO3
PbS + Na2SO4 = PbSO4 + Na2S =>
PbS + Na2SO4 = PbSO4 + Na2S
Ni(SO4) = NiO + SO3 =>
Ni(SO4) = NiO + SO3
SrCl2 + Na2CO3 = SrCO3 + NaCl =>
SrCl2 + Na2CO3 = SrCO3 + 2 NaCl
KNO3 + Zn3(PO4)2 = K3PO4 + Zn(NO3)2 =>
6 KNO3 + Zn3(PO4)2 = 2 K3PO4 + 3 Zn(NO3)2
SO2CaO = Ca(SO3) =>
SO2CaO = Ca(SO3)
KNO3 + C + S = K2S + N + CO2 =>
2 KNO3 + 3 C + S = K2S + 2 N + 3 CO2
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
MnCl2 + Cl2(g) + H2O = MnO2 + HCl =>
MnCl2 + Cl2(g) + 2 H2O = MnO2 + 4 HCl
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