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6 Na + Fe2(CO3)3 = 3 Na2CO3 + 2 Fe
ZnO + H2O2 = ZnOH + O2 =>
2 ZnO + H2O2 = 2 ZnOH + O2
Al + SnO = AlO + Sn =>
Al + SnO = AlO + Sn
HBrO3 + H2S = S + Br2O + H2O =>
2 HBrO3 + 4 H2S = 4 S + Br2O + 5 H2O
FeO + CUCl2 = FeCl2 + CU + O2 =>
2 FeO + 2 CUCl2 = 2 FeCl2 + 2 CU + O2
CHCl3 + O2 = CO2 + H2O + Cl2 =>
4 CHCl3 + 5 O2 = 4 CO2 + 2 H2O + 6 Cl2
Zn + C = Zn5C =>
5 Zn + C = Zn5C
MgO + (NH4)2SO4 + H2O = MgSO4 + NH4OH =>
MgO + (NH4)2SO4 + H2O = MgSO4 + 2 NH4OH
K2Cr2O7 + KY + H2SO4 = K2SO4 + Y + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 KY + 7 H2SO4 = 4 K2SO4 + 6 Y + Cr2(SO4)3 + 7 H2O
Cu + Al2(SO4) = CuSO4 + Al =>
Cu + Al2(SO4) = CuSO4 + 2 Al
Pb(NO3)2 + Ag = PbAg + NO3 =>
Pb(NO3)2 + Ag = PbAg + 2 NO3
Cr2(SO4)3K2CO3 = Cr2(CO3)K2(SO4)3 =>
Cr2(SO4)3K2CO3 = Cr2(CO3)K2(SO4)3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
KOH + KHCO3 = K2CO3 + H2O =>
KOH + KHCO3 = K2CO3 + H2O
Na2O2 = Na2O + O2 =>
2 Na2O2 = 2 Na2O + O2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
CH2(COOH)2 + MnSO4(H2O) = Mn(COOH)2 + CH2SO4 + H2O =>
CH2(COOH)2 + MnSO4(H2O) = Mn(COOH)2 + CH2SO4 + H2O
C55H74O5N4 + Cu(CH3COO)2 = C55H74O5N4Cu + CH3COO =>
C55H74O5N4 + Cu(CH3COO)2 = C55H74O5N4Cu + 2 CH3COO
C + Zn = CZn =>
C + Zn = CZn
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Al2(SO4)3(aq) + Ca(OH)2(s) = Al(OH)3(s) + CaSO4(s) =>
Al2(SO4)3(aq) + 3 Ca(OH)2(s) = 2 Al(OH)3(s) + 3 CaSO4(s)
Au2S + H2 = Au + H2S =>
Au2S + H2 = 2 Au + H2S
KH2PO4 + H3PO4 = K2H3PO4 + H2PO4 =>
2 KH2PO4 + H3PO4 = K2H3PO4 + 2 H2PO4
H3PO2 + K2FeO4 + HBr = H3PO4 + KBr + FeBr3 + H2O =>
3 H3PO2 + 4 K2FeO4 + 20 HBr = 3 H3PO4 + 8 KBr + 4 FeBr3 + 10 H2O
Cu(OH)2 + NH3 = Cu(NH3)4(OH)2 =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4(OH)2
BaCI2 + ZnSO4 = BaSO4 + ZnCI2 =>
BaCI2 + ZnSO4 = BaSO4 + ZnCI2
Zn + C = Zn4C2 =>
4 Zn + 2 C = Zn4C2
Zn + C = Zn2C =>
2 Zn + C = Zn2C
NaCl + C2H5OH = NaOH + C2H5Cl =>
NaCl + C2H5OH = NaOH + C2H5Cl
Cu(OH)2 + NH3 = Cu(NH3)4 + OH =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4 + 2 OH
Sn + H2(SO4) = Sn(SO4)2 + SO2 + H2O =>
Sn + 4 H2(SO4) = Sn(SO4)2 + 2 SO2 + 4 H2O
Zn + C = ZnC =>
Zn + C = ZnC
(NH4)Cl + Ba(OH)2 = (NH4)(OH) + BaCl2 =>
2(NH4)Cl + Ba(OH)2 = 2(NH4)(OH) + BaCl2
HC1 + Ca(OH)2 = CaC2 + H2O =>
2 HC1 + Ca(OH)2 = CaC2 + 2 H2O
H2(SO4) + Sn = Sn(SO4)2 + H2 =>
2 H2(SO4) + Sn = Sn(SO4)2 + 2 H2
Ca5(PO4)3F + H2SO4 = H3PO4 + CaSO4 + HF =>
Ca5(PO4)3F + 5 H2SO4 = 3 H3PO4 + 5 CaSO4 + HF
Eu + CH3COOH = Eu(CH3COO)3 + H2 =>
2 Eu + 6 CH3COOH = 2 Eu(CH3COO)3 + 3 H2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
CoCl2 + NH4OH = Co(OH)2 + NH4Cl =>
CoCl2 + 2 NH4OH = Co(OH)2 + 2 NH4Cl
Zn + C = Zn5C =>
5 Zn + C = Zn5C
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3CCH + O2 = CO2 + H2O =>
CH3CCH + 4 O2 = 3 CO2 + 2 H2O
Sn + Mn(NO3)2 = Sn(NO3)2 + Mn =>
Sn + Mn(NO3)2 = Sn(NO3)2 + Mn
Zn + S = Zn2S8 =>
2 Zn + 8 S = Zn2S8
NH4Cl + NaNO3 = NaCl + NO + N2 + H2O =>
2 NH4Cl + 2 NaNO3 = 2 NaCl + 2 NO + N2 + 4 H2O
O2 + Sc = Sc2O5 =>
5 O2 + 4 Sc = 2 Sc2O5
K2S + Ag2SO4 = K2SO4 + Ag2S =>
K2S + Ag2SO4 = K2SO4 + Ag2S
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
HC7H5O2 + NaHCO3 = NaC7H5O2 + H2O + CO2 =>
HC7H5O2 + NaHCO3 = NaC7H5O2 + H2O + CO2
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