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2 CH3Cl + 2 Na = C2H6 + 2 NaCl
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
A3B3C = A3B + B + C =>
A3B3C = A3B + 2 B + C
AsO4 + Ca(OH)2 = Ca5(AsO4)3OH + OH =>
3 AsO4 + 5 Ca(OH)2 = Ca5(AsO4)3OH + 9 OH
Ag2(CO3) = Ag + CO2 + O3 =>
3 Ag2(CO3) = 6 Ag + 3 CO2 + O3
NaBr + H2SO4 + KMnO4 = Br2 + MnSO4 + K2SO4 + Na2SO4 + H2O =>
10 NaBr + 8 H2SO4 + 2 KMnO4 = 5 Br2 + 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O
H2 + CO = H2O + C20H40 =>
40 H2 + 20 CO = 20 H2O + C20H40
Na2CO3(ac) + H2SO4(ac) = Na2SO4(ac) + H2O(l) + CO2(g) =>
Na2CO3(ac) + H2SO4(ac) = Na2SO4(ac) + H2O(l) + CO2(g)
PB + KI = PBI + K =>
PB + KI = PBI + K
HNO3 + KNO2 = KNO3 + NO2 + H2 =>
2 HNO3 + 2 KNO2 = 2 KNO3 + 2 NO2 + H2
Sn + HNO3 = Sn(NO3)2 + NH4NO3 + H2O =>
4 Sn + 10 HNO3 = 4 Sn(NO3)2 + NH4NO3 + 3 H2O
C2H5OH + NaOH + H2O = Na2CO3 + H2 =>
C2H5OH + 4 NaOH + H2O = 2 Na2CO3 + 6 H2
HSO4 + BaOH = BaSO4 + H2O =>
HSO4 + BaOH = BaSO4 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Na2SO4NaOH = Na2OHSO4Na =>
Na2SO4NaOH = Na2OHSO4Na
SrS + FeBr = SrBr + SFe =>
SrS + FeBr = SrBr + SFe
KAl(SO4)2 + NH3 + H2O = Al(OH)3 + (NH4)2SO4 + K2SO4 =>
2 KAl(SO4)2 + 6 NH3 + 6 H2O = 2 Al(OH)3 + 3(NH4)2SO4 + K2SO4
CH3(CH2)4OH + (CH3CO)2O = CH3COO(CH2)4CH3 + CH3COOH =>
CH3(CH2)4OH + (CH3CO)2O = CH3COO(CH2)4CH3 + CH3COOH
Al2Br6 + CuS = CuBr2 + Al2S3 =>
Al2Br6 + 3 CuS = 3 CuBr2 + Al2S3
H2SO4 + Fe(OH)3 = Fe2(S2O3)3 + H2O + O2 =>
6 H2SO4 + 2 Fe(OH)3 = Fe2(S2O3)3 + 9 H2O + 6 O2
ZnO + CH3COOH = Zn(CH3COO)2 + H2O =>
ZnO + 2 CH3COOH = Zn(CH3COO)2 + H2O
Be + NaOH + H2O = Na2Be2O3 + H2 =>
2 Be + 2 NaOH + H2O = Na2Be2O3 + 2 H2
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
HC2H3O2 + KHCO3 = H2O + CO2 + K =>
HC2H3O2 + 8 KHCO3 = 6 H2O + 10 CO2 + 8 K
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
HCl + N2O3 = H2O + NCl3 =>
6 HCl + N2O3 = 3 H2O + 2 NCl3
KHS + NaOH = Na2S + K2S + H2O =>
2 KHS + 2 NaOH = Na2S + K2S + 2 H2O
LiAlH4 = LiH + Al + H2 =>
2 LiAlH4 = 2 LiH + 2 Al + 3 H2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Zn(HO)2 + HCl = ZnCl2 + HOH =>
Zn(HO)2 + 2 HCl = ZnCl2 + 2 HOH
CI2 + O2 = CI2O7 =>
2 CI2 + 7 O2 = 2 CI2O7
Na4[Fe(CN)6] + FeCl3 = Fe7(CN)18 + NaCl =>
3 Na4[Fe(CN)6] + 4 FeCl3 = Fe7(CN)18 + 12 NaCl
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
Li(OH) + Mg(CO3) = Li2(CO3) + Mg(OH)2 =>
2 Li(OH) + Mg(CO3) = Li2(CO3) + Mg(OH)2
Mg(NO3)2 + KOH = Mg(OH)2 + K(NO3) =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 K(NO3)
P2O5 + Al2O3 = AlPO4 =>
P2O5 + Al2O3 = 2 AlPO4
NaH2O = HNaOH =>
NaH2O = HNaOH
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
Au + Cl2 = AuCl =>
2 Au + Cl2 = 2 AuCl
AgC2H3O2 + Zn = ZnC + Ag + H + O2 =>
AgC2H3O2 + 2 Zn = 2 ZnC + Ag + 3 H + O2
K + O2 = K2O =>
4 K + O2 = 2 K2O
C9H9NO3 + H2O = H3O + C9H8NO3 =>
C9H9NO3 + H2O = H3O + C9H8NO3
H3PO4 + Mg = PO4 + MgH3 =>
H3PO4 + Mg = PO4 + MgH3
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
Fe + ZnCl2 = FeCl + Zn =>
2 Fe + ZnCl2 = 2 FeCl + Zn
Al + NaO + H2O = NaAl(OH)4 + H2 =>
Al + NaO + 3 H2O = NaAl(OH)4 + H2
Li2 + HgSO4 = Hg + Li2SO4 =>
Li2 + HgSO4 = Hg + Li2SO4
Fe + ClO2 = FeClO2 =>
Fe + ClO2 = FeClO2
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