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4 Fr + 2 CuS = 2 Fr2S + Cu2
Na2SiF6 = Na + Si + F =>
Na2SiF6 = 2 Na + Si + 6 F
HBr + CH4 = CBr4 + H =>
4 HBr + CH4 = CBr4 + 8 H
Cr(OH)2 + OH = CrO4 + H2O =>
Cr(OH)2 + 6 OH = CrO4 + 4 H2O
Ho2 = Ho =>
Ho2 = 2 Ho
KNO3Ba(NO3)2 = K(NO3)2BaNO3 =>
KNO3Ba(NO3)2 = K(NO3)2BaNO3
Zn(OH)3 + NH4 = Zn(NH3)3 + H2O =>
Zn(OH)3 + 3 NH4 = Zn(NH3)3 + 3 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
(Al(OH)2)3PO4 + H3PO4 = AlPO4 + H2O =>
(Al(OH)2)3PO4 + 2 H3PO4 = 3 AlPO4 + 6 H2O
NaO + H2SO4 = Na2SO4 + O2H2 =>
2 NaO + H2SO4 = Na2SO4 + O2H2
Fe1 + S1 = FeS =>
Fe1 + S1 = FeS
C3H6HBr = BrC3H7 =>
C3H6HBr = BrC3H7
HOOCCH2CH(OH)COOH = CH3CH(OH)COOH + CO2 =>
HOOCCH2CH(OH)COOH = CH3CH(OH)COOH + CO2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
SNCUSO4 = SNSO4CU =>
SNCUSO4 = SNSO4CU
Na2MoO4 + Zn + HCl = Mo5O14 + H2O + NaCl + ZnCl2 =>
5 Na2MoO4 + Zn + 12 HCl = Mo5O14 + 6 H2O + 10 NaCl + ZnCl2
Ba(NO3)2 + Pb3(PO4)2 = Ba(PO4)2 + Pb3(NO3)2 =>
Ba(NO3)2 + Pb3(PO4)2 = Ba(PO4)2 + Pb3(NO3)2
HBr + HOH = Br{-} + H3O{+} =>
HBr + HOH = Br{-} + H3O{+}
Fe3* + OH = Fe(OH)3 =>
Fe3* + 9 OH = 3 Fe(OH)3
NH4OH + CHCl3 + KOH = KCN + KCl + H2O =>
NH4OH + CHCl3 + 4 KOH = KCN + 3 KCl + 5 H2O
C6H12O + H2SO4 = SO2 + CO2 + H2O =>
C6H12O + 17 H2SO4 = 17 SO2 + 6 CO2 + 23 H2O
Al + F2 = aluminumfluoride =>
2 Al + 3 F2 = 2 AlF3
H2(g) + Fe2O3(aq) = H2O(l) + Fe(s) =>
3 H2(g) + Fe2O3(aq) = 3 H2O(l) + 2 Fe(s)
Cu(OH)2 + CH3COOH = CH3(OH)2 + CuCOOH =>
Cu(OH)2 + CH3COOH = CH3(OH)2 + CuCOOH
SrCl2 + NaNO3 = Sr(NO3)2 + NaCl =>
SrCl2 + 2 NaNO3 = Sr(NO3)2 + 2 NaCl
NaI + NaIO3 + H2SO4 = I2 + Na2(SO4) + H2O =>
5 NaI + NaIO3 + 3 H2SO4 = 3 I2 + 3 Na2(SO4) + 3 H2O
FeCO3 = CO2COFe2O3 =>
2 FeCO3 = CO2COFe2O3
HClO3 + OH = HOH + ClO3 =>
HClO3 + OH = HOH + ClO3
C4H9OH + Na = C4H9ONa + H =>
C4H9OH + Na = C4H9ONa + H
Al(NO3)3 + Ga = Ga(NO3)3 + Al =>
Al(NO3)3 + Ga = Ga(NO3)3 + Al
Ti2O3 + H2O = Ti2(OH)2 + O2 =>
Ti2O3 + H2O = Ti2(OH)2 + O2
Ammonia + oxygen = water + nitrogenmonoxide =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
NH4OH + (AlCl3) = NH4Cl + Al(OH)3 =>
3 NH4OH + (AlCl3) = 3 NH4Cl + Al(OH)3
CoCl2 + H2O = HCl + CoCl + O2 =>
4 CoCl2 + 2 H2O = 4 HCl + 4 CoCl + O2
ZnO + SO2 = ZnS + O =>
ZnO + SO2 = ZnS + 3 O
Fe(NO3)2 + KOH = Fe(OH) + K(NO3)2 =>
Fe(NO3)2 + KOH = Fe(OH) + K(NO3)2
Zn + HClO4 = Cl2O8Zn + H2 =>
Zn + 2 HClO4 = Cl2O8Zn + H2
Ca(OH)2NaHCO3 = CaCO3H2ONaOH =>
Ca(OH)2NaHCO3 = CaCO3H2ONaOH
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
NaHCO3 = NaO + CO2 + H =>
NaHCO3 = NaO + CO2 + H
FeCO3 = Fe + CO3 =>
FeCO3 = Fe + CO3
Fe + C12 = FeC11 =>
12 Fe + 11 C12 = 12 FeC11
CH3COOHCuSO4 = HSO4CuCH3COO =>
CH3COOHCuSO4 = HSO4CuCH3COO
(FeCl)2 = (FeCl)3 =>
3(FeCl)2 = 2(FeCl)3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Br2 + NaI = NaBr + I =>
Br2 + 2 NaI = 2 NaBr + 2 I
NaHCO3 = CO2 + H2 + NaO =>
2 NaHCO3 = 2 CO2 + H2 + 2 NaO
KNO3 + PB = KNO2 + PBO2 =>
2 KNO3 + PB = 2 KNO2 + PBO2
C3H6O2NaOH = CH3COONaCH3OH =>
C3H6O2NaOH = CH3COONaCH3OH
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