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2 K2O + 2 S = 2 K2S + O2
I2 + F2 = IF7 =>
I2 + 7 F2 = 2 IF7
HCOOH + Cl = COOH + HCl =>
HCOOH + Cl = COOH + HCl
K2S + O2 = K2SO4 =>
K2S + 2 O2 = K2SO4
K2O + Mg = MgO + K =>
K2O + Mg = MgO + 2 K
Mn + CO2 = MnO + CO =>
Mn + CO2 = MnO + CO
C2H5NO + H2SO4 = C2H5NOH2SO4 =>
C2H5NO + H2SO4 = C2H5NOH2SO4
Al + NaClO = Al(ClO)3 + Na =>
Al + 3 NaClO = Al(ClO)3 + 3 Na
FeCl2 = Fe + Cl =>
FeCl2 = Fe + 2 Cl
C2H6O(aq) + O2(g) = CO2(g) + H2O =>
C2H6O(aq) + 3 O2(g) = 2 CO2(g) + 3 H2O
Cr(NO3)3 + NaOH + H2O2 = Na2CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 HNO3 + 2 H2O
K2C2O4*H2O + FeCl3 = K3(Fe(C2O4)3)*3H2O + KCl =>
3 K2C2O4*H2O + FeCl3 = K3(Fe(C2O4)3)*3H2O + 3 KCl
NaOH + CuCl2 = Cu(OH)2 + NaCl =>
2 NaOH + CuCl2 = Cu(OH)2 + 2 NaCl
Ca(OH)2 + FeO = Fe(OH)2 + CaO =>
Ca(OH)2 + FeO = Fe(OH)2 + CaO
C + H3 = CH3 =>
C + H3 = CH3
NaCl + H2CO3 = NaHCO3 + HCl =>
NaCl + H2CO3 = NaHCO3 + HCl
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
KI(s) + Br2(g) = KBr + I2 =>
2 KI(s) + Br2(g) = 2 KBr + I2
C6H13O2N + O2 = CO2 + H2O + NH3 =>
2 C6H13O2N + 15 O2 = 12 CO2 + 10 H2O + 2 NH3
CaCl2 + HNO3 = Ca(NO3)2 + HCl =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2 HCl
CH4 + Cl2 = CHCl3 + HCl2 =>
2 CH4 + 9 Cl2 = 2 CHCl3 + 6 HCl2
Ca + HNO3 = Ca2NO3 + NO + H2O =>
6 Ca + 4 HNO3 = 3 Ca2NO3 + NO + 2 H2O
KMuO4 = K2MuO4 + MuO2 + O2 =>
2 KMuO4 = K2MuO4 + MuO2 + O2
HC1 + K2SO3 = KC1 + H2O + SO2 =>
2 HC1 + K2SO3 = 2 KC1 + H2O + SO2
Co(NO3)2 + NH4CNS = (NH4)2[Co(CNS)4] + NH4NO3 =>
Co(NO3)2 + 4 NH4CNS = (NH4)2[Co(CNS)4] + 2 NH4NO3
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
C4HO + O2 = CO + H2O =>
4 C4HO + 7 O2 = 16 CO + 2 H2O
Cr(OH)3 + KMnO4 + KOH = K2CrO4 + MnO2 + H2O =>
Cr(OH)3 + KMnO4 + KOH = K2CrO4 + MnO2 + 2 H2O
Na3P + CaCl2 = Ca3P2 + NaCl =>
2 Na3P + 3 CaCl2 = Ca3P2 + 6 NaCl
Pb(NO3)2 + Na2C2O4 = PbC2O4 + Na(NO3) =>
Pb(NO3)2 + Na2C2O4 = PbC2O4 + 2 Na(NO3)
CH2CH2 + H2O = CH3CH2OH =>
CH2CH2 + H2O = CH3CH2OH
NaF + CuSO4 = Na2SO4 + CuF + F2 =>
4 NaF + 2 CuSO4 = 2 Na2SO4 + 2 CuF + F2
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O
H3PO4 + Mn(OH)2 = Mn3(PO4)2 + H2O =>
2 H3PO4 + 3 Mn(OH)2 = Mn3(PO4)2 + 6 H2O
C22H45OH + O2 = CO2 + H2O =>
C22H45OH + 33 O2 = 22 CO2 + 23 H2O
HClO3 + LiOH = HOH + LiClO3 =>
HClO3 + LiOH = HOH + LiClO3
H2 = H =>
H2 = 2 H
MgO + O2 = MgO3 =>
MgO + O2 = MgO3
Na2SiO3 + HF = H2SiF6 + NaF + H2O =>
Na2SiO3 + 8 HF = H2SiF6 + 2 NaF + 3 H2O
H2SO4(aq) + NaNO2(aq) = HNO2(aq) + Na2SO4(aq) =>
H2SO4(aq) + 2 NaNO2(aq) = 2 HNO2(aq) + Na2SO4(aq)
GeO2 = Ge + O2 =>
GeO2 = Ge + O2
CaCl2 + FeCl3 = Ca(Cl3)2 + FeCl2 =>
CaCl2 + 4 FeCl3 = Ca(Cl3)2 + 4 FeCl2
NaOH + Cu(ClO3)2 = Cu(OH)2 + NaClO3 =>
2 NaOH + Cu(ClO3)2 = Cu(OH)2 + 2 NaClO3
Na(l) + H2(g) = NaH(s) =>
2 Na(l) + H2(g) = 2 NaH(s)
C6H6C2H5 + KMnO4 + H2SO4 = C6H6COOH + K2SO4 + MnSO4 + H2O =>
70 C6H6C2H5 + 106 KMnO4 + 159 H2SO4 = 80 C6H6COOH + 53 K2SO4 + 106 MnSO4 + 264 H2O
H2Cl2 + NaOH = HNaCl + OH =>
H2Cl2 + 2 NaOH = 2 HNaCl + 2 OH
C9H12 + O2 = CO2 + H2O =>
C9H12 + 12 O2 = 9 CO2 + 6 H2O
Cr(OH)3 + O2 = CrO3 + H2O =>
4 Cr(OH)3 + 3 O2 = 4 CrO3 + 6 H2O
CH4O + C6H8O7 = C2H4O2 + H2O =>
6 CH4O + 2 C6H8O7 = 9 C2H4O2 + 2 H2O
Al(s) + Pb(No3)2(aq) = Al(No3)3(aq) + Pb(s) =>
2 Al(s) + 3 Pb(No3)2(aq) = 2 Al(No3)3(aq) + 3 Pb(s)
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