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2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
KOH + SO2 = KHSO3 =>
KOH + SO2 = KHSO3
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
FeO + HNO3 = Fe(NO3)3 + NO + H2O =>
3 FeO + 10 HNO3 = 3 Fe(NO3)3 + NO + 5 H2O
KOH + SO2 = H2O + K2SO3 =>
2 KOH + SO2 = H2O + K2SO3
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Al + J2 = AlJ3 =>
2 Al + 3 J2 = 2 AlJ3
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
P4 + KOH + H2O = KH2PO2 + PH3 =>
P4 + 3 KOH + 3 H2O = 3 KH2PO2 + PH3
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2
BaO + HCl = BaCl2 + H2O =>
BaO + 2 HCl = BaCl2 + H2O
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
K2SO3 + KMnO4 + KOH = K2SO4 + K2MnO4 + H20 =>
20 K2SO3 + 20 KMnO4 + 20 KOH = 20 K2SO4 + 20 K2MnO4 + H20
S2O3{2-} + KI = SO2 + S + I{-} + K =>
2 S2O3{2-} + 4 KI = 3 SO2 + S + 4 I{-} + 4 K
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K2SO3 + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2SO3 + 2 KMnO4 + 2 KOH = K2SO4 + 2 K2MnO4 + H2O
Ca(OH)2 + NH4NO3 = NH3 + Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 NH4NO3 = 2 NH3 + Ca(NO3)2 + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
MGO + H2SO4 = MGSO4 + H2O =>
MGO + H2SO4 = MGSO4 + H2O
HNO2 + H = NO + H2O =>
HNO2 + H = NO + H2O
C4H8O + NaHSO3 = C4H9O + NaSO3 =>
C4H8O + NaHSO3 = C4H9O + NaSO3
CH3CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3CH2CH2COOH + 11 H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2 + NH4NO3 = NH3 + Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 NH4NO3 = 2 NH3 + Ca(NO3)2 + 2 H2O
C2H6O2 + O2 = C + H2O =>
2 C2H6O2 + O2 = 4 C + 6 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C2H6 + O2 = C + H2O =>
2 C2H6 + 3 O2 = 4 C + 6 H2O
Zn + MnO2 = ZnO2 + Mn =>
Zn + MnO2 = ZnO2 + Mn
H3PO4 = P2O5 + H2O =>
2 H3PO4 = P2O5 + 3 H2O
C8H2 + O2 = CO2 + H2O =>
2 C8H2 + 17 O2 = 16 CO2 + 2 H2O
CuI2 + Na2S2O3 = Cu2S4O6 + NaI =>
2 CuI2 + 2 Na2S2O3 = Cu2S4O6 + 4 NaI
Zn(NO3)2 + CH3COOH = Zn(CH3COO)2 + HNO3 =>
Zn(NO3)2 + 2 CH3COOH = Zn(CH3COO)2 + 2 HNO3
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C4H8 + Br2 = C4H8Br2 =>
C4H8 + Br2 = C4H8Br2
Sr + HI = H2 + SrI2 =>
Sr + 2 HI = H2 + SrI2
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