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H + C = HC
C2H4 + C2H5 = C4H9 =>
C2H4 + C2H5 = C4H9
CuS + H2SO4 = Cu + H2O + SO2 =>
CuS + 2 H2SO4 = Cu + 2 H2O + 3 SO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CH3CHClCH3 + NH3 = NH4Cl + CH3CHNH2CH3 =>
CH3CHClCH3 + 2 NH3 = NH4Cl + CH3CHNH2CH3
Cr2O3 + KNO3 + KOH = K2CrO4 + N + H2O =>
5 Cr2O3 + 6 KNO3 + 14 KOH = 10 K2CrO4 + 6 N + 7 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CuI2 + Br2 = CuBr2 + I2 =>
CuI2 + Br2 = CuBr2 + I2
CaSO3 + HCl = CaCl2 + SO3 + H2 =>
CaSO3 + 2 HCl = CaCl2 + SO3 + H2
Si + NO2 = SiO3 + N2O =>
Si + 2 NO2 = SiO3 + N2O
CHCCHCH2CH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CHCCHCH2CH3 + KMnO4 + 29 H2O = MnO2 + 15 CH3CH(OH)CH2(OH) + KOH
Na2SO4 + SO3 = Na2S2O7 =>
Na2SO4 + SO3 = Na2S2O7
HI + KMnO4 + HSO4 = I2 + MnSO4 + K2SO4 + H2O =>
26 HI + 4 KMnO4 + 6 HSO4 = 13 I2 + 4 MnSO4 + 2 K2SO4 + 16 H2O
NaClO2 + H2O = NaHClO + H2O2 =>
2 NaClO2 + 4 H2O = 2 NaHClO + 3 H2O2
Al2O3 + H2O4S = Al(OH)3 + SO3 =>
Al2O3 + 3 H2O4S = 2 Al(OH)3 + 3 SO3
C2H6O(l) = C4H10O(l) + H2O(l) =>
2 C2H6O(l) = C4H10O(l) + H2O(l)
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Al2 + HCl = AlCl3 + Hydrogen =>
Al2 + 6 HCl = 2 AlCl3 + 3 H2
H2S + Cr = Cr2S6 + H2 =>
6 H2S + 2 Cr = Cr2S6 + 6 H2
H2O + C6H5OOH = C6H5OO + H3O =>
H2O + C6H5OOH = C6H5OO + H3O
(SO2) + H2O = H2SO3 =>
(SO2) + H2O = H2SO3
FeCl2 + K4[Fe(CN)6] = Fe3(Fe(CN)6)2 + Cl6 + K8 =>
3 FeCl2 + 2 K4[Fe(CN)6] = Fe3(Fe(CN)6)2 + Cl6 + K8
C6H5CHO + KHSO5 = C6H5COOH + KHSO4 =>
C6H5CHO + KHSO5 = C6H5COOH + KHSO4
Nb2O5 + NbCl5 = NbO2Cl =>
2 Nb2O5 + NbCl5 = 5 NbO2Cl
Cu2SO4 + HCl = H2SO4 + CuCl =>
Cu2SO4 + 2 HCl = H2SO4 + 2 CuCl
Cu + HSO4 = H2 + CuSO4 =>
2 Cu + 2 HSO4 = H2 + 2 CuSO4
CH2CCH2CH3 + O2 = CO2 + H2O =>
4 CH2CCH2CH3 + 23 O2 = 16 CO2 + 14 H2O
Zn(OH)2 + CO2 = ZnCO3 + H2O =>
Zn(OH)2 + CO2 = ZnCO3 + H2O
C5H11N2(l) + O2(g) = CO2(g) + H2O(l) + N2(g) =>
4 C5H11N2(l) + 31 O2(g) = 20 CO2(g) + 22 H2O(l) + 4 N2(g)
FeCl3 + Mg = Fe + ClMg =>
FeCl3 + 3 Mg = Fe + 3 ClMg
As2O3 + Br2 + H2O = H3AsO4 + HBr =>
As2O3 + 2 Br2 + 5 H2O = 2 H3AsO4 + 4 HBr
Pb(NO3)2 + K2S = K(NO3) + Pb2S2 =>
2 Pb(NO3)2 + 2 K2S = 4 K(NO3) + Pb2S2
NH4I + H2O = NH4OH + HI =>
NH4I + H2O = NH4OH + HI
HCl + Fe(OH)3 = HFeCl4 + H2O =>
4 HCl + Fe(OH)3 = HFeCl4 + 3 H2O
K2SO3H2O2 = K2SO4H2O =>
K2SO3H2O2 = K2SO4H2O
Cr2(SO4)3 + LiOH + LiClO3 = LiCrO4 + H2O + LiCl + LiSO4 =>
6 Cr2(SO4)3 + 30 LiOH + 11 LiClO3 = 12 LiCrO4 + 15 H2O + 11 LiCl + 18 LiSO4
Ca(HCO3)2 + CH3COOH = Ca(CH3COO)2 + H2CO3 =>
Ca(HCO3)2 + 2 CH3COOH = Ca(CH3COO)2 + 2 H2CO3
HBr + (NH4)2SO4 = NH4Br + H2SO4 =>
2 HBr + (NH4)2SO4 = 2 NH4Br + H2SO4
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
Cr2O72{-} + H3AsO3 + H{+} = Cr3{+} + H3AsO4 + H2O =>
6 Cr2O72{-} + 427 H3AsO3 + 10 H{+} = 4 Cr3{+} + 427 H3AsO4 + 5 H2O
K2MoO4 + Zn + H2SO4 = ZnSO4 + Mo5O14 + K2SO4 + H2O =>
5 K2MoO4 + Zn + 6 H2SO4 = ZnSO4 + Mo5O14 + 5 K2SO4 + 6 H2O
OH + H2SO4 = H2O + SO4 =>
2 OH + H2SO4 = 2 H2O + SO4
CH4 + Cr2O3 = CO + H2 + CrO =>
CH4 + Cr2O3 = CO + 2 H2 + 2 CrO
SnCl2 + Na2S2 = NaCl + SnS2 =>
SnCl2 + Na2S2 = 2 NaCl + SnS2
K2Co3 + Al(OH)3 = KOH + Al2(Co3)3 =>
3 K2Co3 + 2 Al(OH)3 = 6 KOH + Al2(Co3)3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CaO + SO2 = CaS + CaSO4 =>
4 CaO + 4 SO2 = CaS + 3 CaSO4
NaCI + HOH = HCI + NaOH =>
NaCI + HOH = HCI + NaOH
[Ag(NH3)2]2SO4 + NaCl = AgCl + Na2SO4 + NH3 =>
[Ag(NH3)2]2SO4 + 2 NaCl = 2 AgCl + Na2SO4 + 4 NH3
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