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2 Ca + O2 = 2 CaO
C9H13Br + KMnO4 + H2SO4 = C7H7O2Br + MnSO4 + H2O + K2SO4 + CO2 =>
5 C9H13Br + 18 KMnO4 + 27 H2SO4 = 5 C7H7O2Br + 18 MnSO4 + 42 H2O + 9 K2SO4 + 10 CO2
Nh3 = Nh9 =>
3 Nh3 = Nh9
C + N = C3N2 =>
3 C + 2 N = C3N2
MgCl2 + K2CO3 = MgCO3 + KCl =>
MgCl2 + K2CO3 = MgCO3 + 2 KCl
C11H19O10CH2OHCH3COOCH3 = CH3OHCOH2CO10H19C11OCH3 =>
C11H19O10CH2OHCH3COOCH3 = CH3OHCOH2CO10H19C11OCH3
Fe(HSO4)3 + H2S = FeSO4 + S + H2SO4 =>
2 Fe(HSO4)3 + H2S = 2 FeSO4 + S + 4 H2SO4
NaH2PO4NaOH = Na2HPO4H2O =>
NaH2PO4NaOH = Na2HPO4H2O
Cr2O3(s) + Al(s) = Al2O3(s) + Cr(l) =>
Cr2O3(s) + 2 Al(s) = Al2O3(s) + 2 Cr(l)
Al2O3 + SiO2 + C = AlSi + CO =>
Al2O3 + 2 SiO2 + 7 C = 2 AlSi + 7 CO
(NH4)2CO3 + BaCl2 + HCl = BaCO3 + (NH5)2 + Cl2 =>
(NH4)2CO3 + BaCl2 + 2 HCl = BaCO3 + (NH5)2 + 2 Cl2
Cu + FeCl3 = CuCl2 + FeCl2 =>
Cu + 2 FeCl3 = CuCl2 + 2 FeCl2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
CrSO4 + KOH = K2SO4 + Cr(OH)2 =>
CrSO4 + 2 KOH = K2SO4 + Cr(OH)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CuI + KCNS = KI + CuCNS =>
CuI + KCNS = KI + CuCNS
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H3PO4 + FeBr3 = HBr + FePO4 =>
H3PO4 + FeBr3 = 3 HBr + FePO4
Al + MgI2 = AlI + Mg =>
2 Al + MgI2 = 2 AlI + Mg
AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3(aq) =>
AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3(aq)
Y2O3 + BaCO3 + CuO + O = YBa2Cu3O7 + CO2 =>
Y2O3 + 4 BaCO3 + 6 CuO + O = 2 YBa2Cu3O7 + 4 CO2
ClNH4 + NaOH = NaCl + NH3 + H2O =>
ClNH4 + NaOH = NaCl + NH3 + H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Fe2(CO3)3 = Fe2O3 + CO2 =>
Fe2(CO3)3 = Fe2O3 + 3 CO2
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
NaHSO3 + O2 = NaHSO4 =>
2 NaHSO3 + O2 = 2 NaHSO4
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
TaCl5 + HOEt = TaCl2(OEt)3 + HCl =>
TaCl5 + 3 HOEt = TaCl2(OEt)3 + 3 HCl
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
CH3CCCH3H2O = CH3COCH2CH3 =>
CH3CCCH3H2O = CH3COCH2CH3
Sn + AgBr = SnBr2 + Ag =>
Sn + 2 AgBr = SnBr2 + 2 Ag
ZnBr2 + NaOH = Zn(OH)2 + NaBr =>
ZnBr2 + 2 NaOH = Zn(OH)2 + 2 NaBr
MgCl2 + K3PO4 = KCl + Mg3(PO4)2 =>
3 MgCl2 + 2 K3PO4 = 6 KCl + Mg3(PO4)2
ZnCuBr2 = ZnBr2Cu =>
ZnCuBr2 = ZnBr2Cu
CH3CH2COOH + MgO = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + MgO = (CH3CH2COO)2Mg + H2O
FeCl3 + NH4 + O2 = FeCl3*7H2O + NO =>
4 FeCl3 + 14 NH4 + 21 O2 = 4 FeCl3*7H2O + 14 NO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
C9H13Br + KMnO4 + H2SO4 = C7H7O2Br + MnSO4 + H2O + K2SO4 + CO2 =>
5 C9H13Br + 18 KMnO4 + 27 H2SO4 = 5 C7H7O2Br + 18 MnSO4 + 42 H2O + 9 K2SO4 + 10 CO2
CrO2Cl2 = CrCl3 + Cr2O3 + O2 =>
12 CrO2Cl2 = 8 CrCl3 + 2 Cr2O3 + 9 O2
NaNO2 + KI + H2SO4 = NO + K2SO4 + Na2SO4 + I2 + H2O =>
2 NaNO2 + 2 KI + 2 H2SO4 = 2 NO + K2SO4 + Na2SO4 + I2 + 2 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CH2O = COH2 =>
CH2O = COH2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
CH4(g) + O2(g) = CO2(g) + H2O =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O
C4H9Br + H2O = C4H10O + HBr =>
C4H9Br + H2O = C4H10O + HBr
C17H35COONaHCl = C17H35COOHNaCl =>
C17H35COONaHCl = C17H35COOHNaCl
CaOCl2 + KI + H2SO4 = I2 + CaCl2 + H2O + K2SO4 =>
CaOCl2 + 2 KI + H2SO4 = I2 + CaCl2 + H2O + K2SO4
Cu3N2 + O2 = Cu + NO2 =>
Cu3N2 + 2 O2 = 3 Cu + 2 NO2
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