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2 ZnS + 3 O2 = 2 ZnO + 2 SO2
FeO3 + HBr = FeBr + H2O + Br2 =>
2 FeO3 + 12 HBr = 2 FeBr + 6 H2O + 5 Br2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Zn + Fe(CH3COO)2 = Fe + ZnCH3COO =>
2 Zn + Fe(CH3COO)2 = Fe + 2 ZnCH3COO
KIO3 + KHSO3 = I2 + K2SO4 + KHSO4 + H2O =>
2 KIO3 + 5 KHSO3 = I2 + 2 K2SO4 + 3 KHSO4 + H2O
Ni + PbCl2 = NiCl3 + Pb =>
2 Ni + 3 PbCl2 = 2 NiCl3 + 3 Pb
NaOH + HSnCl3 = NaSn(OH)3 + NaCl + H2O =>
4 NaOH + HSnCl3 = NaSn(OH)3 + 3 NaCl + H2O
CaS(s) + O2(g) = Ca(s) + SO2(g) =>
CaS(s) + O2(g) = Ca(s) + SO2(g)
CH3CHO + NaOH = C2H5OH + CH3COONa =>
2 CH3CHO + NaOH = C2H5OH + CH3COONa
Ca(OH)2 + Al = Ca[Al(OH)4]2 + CaO + H2 =>
7 Ca(OH)2 + 2 Al = Ca[Al(OH)4]2 + 6 CaO + 3 H2
KMnO4 + C6H8O7 = HMnO4 + C6H5K3O7 =>
3 KMnO4 + C6H8O7 = 3 HMnO4 + C6H5K3O7
C3H7NO2 + HCl = C3H7NH3Cl + Cl2 + H2O =>
C3H7NO2 + 7 HCl = C3H7NH3Cl + 3 Cl2 + 2 H2O
O2 + C5H12O2 = H12O4 + CO2 =>
6 O2 + C5H12O2 = H12O4 + 5 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeCl3 + KOH = KCl + Fe(OH)2Cl =>
FeCl3 + 2 KOH = 2 KCl + Fe(OH)2Cl
Ca(OCl)2 + CH3COCH3 = (CH3COO)2Ca + CHCl3 + Ca(OH)2 =>
3 Ca(OCl)2 + 2 CH3COCH3 = (CH3COO)2Ca + 2 CHCl3 + 2 Ca(OH)2
Be + H3PO4 = Be3(PO4)2 + H2 =>
3 Be + 2 H3PO4 = Be3(PO4)2 + 3 H2
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 = =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
Ba2SO4 + NaCl = BaCl + Na2SO4 =>
Ba2SO4 + 2 NaCl = 2 BaCl + Na2SO4
Ba(NO3)2 + HOH = HNO3 + Ba(OH)2 =>
Ba(NO3)2 + 2 HOH = 2 HNO3 + Ba(OH)2
Zn3N2 + O2 = ZnO2 + N2 =>
Zn3N2 + 3 O2 = 3 ZnO2 + N2
C2H4 + O2 = CO2 + H2O = =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
O2 + C5H12S = CO2 + H2O + SO2 =>
9 O2 + C5H12S = 5 CO2 + 6 H2O + SO2
CH3COO2 + KOH = KCH3COO2 + OH =>
CH3COO2 + KOH = KCH3COO2 + OH
C2H5COOH + MgCO3 = C2H5COOHMg + CO2 + H2O =>
8 C2H5COOH + 7 MgCO3 = 7 C2H5COOHMg + 10 CO2 + 3 H2O
J2 + NaClO + NaOH = NaJ + NaClO3 + H2O =>
2 J2 + NaClO + 4 NaOH = 4 NaJ + NaClO3 + 2 H2O
Zn1N2O6 + C12H28O4Ti1 + C5H8O2 = Zn28Ti1O30 + H2O + N2 + CO2 =>
84 Zn1N2O6 + 3 C12H28O4Ti1 + 26 C5H8O2 = 3 Zn28Ti1O30 + 146 H2O + 84 N2 + 166 CO2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
C2H5OH + CUO = C2H3OH + CU + H2O =>
C2H5OH + CUO = C2H3OH + CU + H2O
NaClO + MnSO4 + H2O = NaCl + MnO2 + H2SO4 =>
NaClO + MnSO4 + H2O = NaCl + MnO2 + H2SO4
SO3{2-} + Cr2O7{2-} + H3O{+} = HSO4{-} + Cr{3+} + H2O =>
3 SO3{2-} + Cr2O7{2-} + 11 H3O{+} = 3 HSO4{-} + 2 Cr{3+} + 15 H2O
C2H3OH + O2 = CO2 + H2O =>
2 C2H3OH + 5 O2 = 4 CO2 + 4 H2O
NaBH4(s) + H2O(l) = H2(g) + NaH2BO3 =>
NaBH4(s) + 3 H2O(l) = 4 H2(g) + NaH2BO3
C4H9Br + KOH = C4H8 + KBr + H2O =>
C4H9Br + KOH = C4H8 + KBr + H2O
Ba(NO3)2(aq) + K2SO4(aq) = K2(NO3)2(aq) + BaSO4(s) =>
Ba(NO3)2(aq) + K2SO4(aq) = K2(NO3)2(aq) + BaSO4(s)
Cs(s) + HNO3(aq) = CsNO3 + NH4NO3 + H2O =>
8 Cs(s) + 10 HNO3(aq) = 8 CsNO3 + NH4NO3 + 3 H2O
Cr + PbSO4 = Cr2(SO4)3 + Pb =>
2 Cr + 3 PbSO4 = Cr2(SO4)3 + 3 Pb
Al(OH)2NO3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)2NO3 + 2 HNO3 = Al(NO3)3 + 2 H2O
KMnO4 + Na2SO3 + KOH = Na2SO4 + H2O + K2MnO4 =>
2 KMnO4 + Na2SO3 + 2 KOH = Na2SO4 + H2O + 2 K2MnO4
AlCl3 + H3PO4 = AlPO4 + HCl =>
AlCl3 + H3PO4 = AlPO4 + 3 HCl
Na + (NH4)2SO4 = Na2SO4 + NH4 =>
2 Na + (NH4)2SO4 = Na2SO4 + 2 NH4
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Ba(NO2)2 + HOH = HNO2 + Ba(OH)2 =>
Ba(NO2)2 + 2 HOH = 2 HNO2 + Ba(OH)2
Cu(s) + HNO3 = NO + H2O + Cu(NO3)2 =>
3 Cu(s) + 8 HNO3 = 2 NO + 4 H2O + 3 Cu(NO3)2
C2 + O = CO5 =>
C2 + 10 O = 2 CO5
(SO4) + NaOH = (SO4)OH + Na =>
(SO4) + NaOH = (SO4)OH + Na
C2H5COOH + SeO2 = CH3COCHO + H2Se + H2O =>
3 C2H5COOH + SeO2 = 3 CH3COCHO + H2Se + 2 H2O
MgCl2 + Ba(OH)2 = Mg(OH)Cl + BaCl2 =>
2 MgCl2 + Ba(OH)2 = 2 Mg(OH)Cl + BaCl2
C4H4O4 + H2 = C4H6O4 =>
C4H4O4 + H2 = C4H6O4
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