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8 Fe2O3 + 3 C4 = 16 Fe + 6 C2O4
Fe3O4 + H2S = FeS + S + H2O =>
Fe3O4 + 4 H2S = 3 FeS + S + 4 H2O
Cu2O + C = Cu + CO =>
Cu2O + C = 2 Cu + CO
H2SO4 + KHCO3 = K2SO4 + H2CO3 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2CO3
NaOH + Cu2(SO4)2 = Na(SO4)2 + Cu2OH =>
NaOH + Cu2(SO4)2 = Na(SO4)2 + Cu2OH
C5H12(l) + O2 = CO2(g) + H2O =>
C5H12(l) + 8 O2 = 5 CO2(g) + 6 H2O
C7H6O2 + NaOH = NaC7H5O2 + H2O =>
C7H6O2 + NaOH = NaC7H5O2 + H2O
H3AsO3 + Al(OH)3 = Al(AsO3) + H2O =>
H3AsO3 + Al(OH)3 = Al(AsO3) + 3 H2O
N32 + H2 = NH3 =>
N32 + 48 H2 = 32 NH3
{2} + Fe = Fe{2}O{3} =>
{2} + Fe = Fe{2}O{3}
KBr + H2O2 = KBrO3 + H2O =>
KBr + 3 H2O2 = KBrO3 + 3 H2O
FeCO3 + H2SO4 = Fe2(SO4)3 + SO2 + CO2 + H2O =>
2 FeCO3 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 2 CO2 + 4 H2O
LiSH = H2S + Li2S =>
2 LiSH = H2S + Li2S
MgBr2 + Ba(NO3)2 = Mg(NO3)2 + BaBr2 =>
MgBr2 + Ba(NO3)2 = Mg(NO3)2 + BaBr2
Mn + H2O = MnO2 + H2 =>
Mn + 2 H2O = MnO2 + 2 H2
N2 + H2O = H2O2 + N2H4 =>
N2 + 4 H2O = 2 H2O2 + N2H4
KBr + NaNO2 + HCl = NaCl + KNO2 + HBr =>
KBr + NaNO2 + HCl = NaCl + KNO2 + HBr
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
HClO(aq) + LiOH(aq) = LiClO + HOH =>
HClO(aq) + LiOH(aq) = LiClO + HOH
KMnO4 + H2O = KOH + MnO2 + O =>
2 KMnO4 + H2O = 2 KOH + 2 MnO2 + 3 O
HCI + Mg = MgCI*2 + H*2 =>
HCI + Mg = MgCI*2 + H*2
Cu(OH)2 + CO2 = Cu2(OH)2CO3 + H2O =>
2 Cu(OH)2 + CO2 = Cu2(OH)2CO3 + H2O
MgS + Cl2 = MgCl2 + S2 =>
2 MgS + 2 Cl2 = 2 MgCl2 + S2
C3H8O3 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 C3H8O3 + 14 KMnO4 + 21 H2SO4 = 15 CO2 + 41 H2O + 7 K2SO4 + 14 MnSO4
I2 + AgF = IF + AgI =>
I2 + AgF = IF + AgI
NaOH + C = Na + CO2 + H2 =>
2 NaOH + C = 2 Na + CO2 + H2
Fe + S + O2 = FeSO4 =>
Fe + S + 2 O2 = FeSO4
SO3(g) + H2O(i) = H2SO4(aq) =>
SO3(g) + H2O(i) = H2SO4(aq)
CH4O2O2 = CO2 + H2O =>
CH4O2O2 = CO2 + 2 H2O
NH4OH + H2O = NH5 + OH =>
NH4OH + H2O = NH5 + 2 OH
NH3 + O3 = NO + H2O =>
6 NH3 + 5 O3 = 6 NO + 9 H2O
Ca(OH)2 + H2O = H3O + CaO2H =>
Ca(OH)2 + H2O = H3O + CaO2H
H2O + CuS + NO3{-} = Cu{2+} + S + NO + OH{-} =>
4 H2O + 3 CuS + 2 NO3{-} = 3 Cu{2+} + 3 S + 2 NO + 8 OH{-}
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
PbSO4(s) = PbSO3(s) + O2(g) =>
2 PbSO4(s) = 2 PbSO3(s) + O2(g)
Ca(ClO)2 + Na3PO4 = Ca3(PO4)2 + Na(ClO) =>
3 Ca(ClO)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 Na(ClO)
Me + HCl = MeCl3 + H2 =>
2 Me + 6 HCl = 2 MeCl3 + 3 H2
CH3CH2CH2CH2OH + CuO = CH3CH2CH2COH + H2O + Cu =>
CH3CH2CH2CH2OH + CuO = CH3CH2CH2COH + H2O + Cu
FeS + HCI = FeCI + HS =>
FeS + HCI = FeCI + HS
CaO + P = Ca3P2 + O2 =>
6 CaO + 4 P = 2 Ca3P2 + 3 O2
HBr + K2Cr2O7 = H2Cr2O7 + KBr =>
2 HBr + K2Cr2O7 = H2Cr2O7 + 2 KBr
C7H5N3O6(s) = CO2(g) + N2(g) + H2O(g) + C(s) =>
4 C7H5N3O6(s) = 7 CO2(g) + 6 N2(g) + 10 H2O(g) + 21 C(s)
Cd + H{+} = Cd2{+} + H2 =>
4 Cd + 2 H{+} = 2 Cd2{+} + H2
HBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 HBr + 2 KMnO4 + 3 H2SO4 = 5 Br2 + 2 MnSO4 + K2SO4 + 8 H2O
C4H8 + KMnO4 = CH3COOK + MnO2 + KOH + H2O =>
3 C4H8 + 8 KMnO4 = 6 CH3COOK + 8 MnO2 + 2 KOH + 2 H2O
C7H6O2 + C2H5OH = C9H10O2 + H2O =>
C7H6O2 + C2H5OH = C9H10O2 + H2O
CuSO4(aq) + NH4OH(aq) = Cu(OH)2(aq) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH4OH(aq) = Cu(OH)2(aq) + (NH4)2SO4(aq)
CH3COOH + C2H5OH = CH3COOC2H5 + H3O =>
4 CH3COOH + 6 C2H5OH = 5 CH3COOC2H5 + 4 H3O
Cr + HCl + H2O = CrCl3*6H2O + H2 =>
2 Cr + 6 HCl + 12 H2O = 2 CrCl3*6H2O + 3 H2
BaO + P2O5 = BaP2 + O =>
BaO + P2O5 = BaP2 + 6 O
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