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Sr(NO3)2(aq) + 2 KCl(aq) = 2 KNO3 + SrCl2
CaCO3 = CaOCO2 =>
CaCO3 = CaOCO2
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
NaClO + HCl = Cl + H2O + NaCl =>
NaClO + 2 HCl = 2 Cl + H2O + NaCl
Al5H9(s) + O2(s) = Al2O3(s) + H2O(l) =>
2 Al5H9(s) + 12 O2(s) = 5 Al2O3(s) + 9 H2O(l)
CH3COOH + Na2CO3 = CH3COOHNa + CO2 + H2O =>
9 CH3COOH + 4 Na2CO3 = 8 CH3COOHNa + 6 CO2 + 2 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Br + SO4 = Br2SO4 =>
2 Br + SO4 = Br2SO4
AgBr + Na2S2O7 = Br2 + Ag2SO4 + Na2SO4 + SO =>
4 AgBr + 3 Na2S2O7 = 2 Br2 + 2 Ag2SO4 + 3 Na2SO4 + SO
Cu(OH)2 + KI = Cu2I2 + I2 + KOH =>
2 Cu(OH)2 + 4 KI = Cu2I2 + I2 + 4 KOH
H3AsO4 + Zn + H2SO4 = ZnSO4 + AsH3 + H2O =>
H3AsO4 + 4 Zn + 4 H2SO4 = 4 ZnSO4 + AsH3 + 4 H2O
Zn(CO3) + HCl = ZnCl2 + H2O + CO2 =>
Zn(CO3) + 2 HCl = ZnCl2 + H2O + CO2
AlBr3 + NaOH = Al(OH)3 + NaBr =>
AlBr3 + 3 NaOH = Al(OH)3 + 3 NaBr
CH3CHC(CH3)CH3 + KMnO4 + H2SO4 = CH3COCH3 + K2SO4 + MnSO4 + H2O =>
3 CH3CHC(CH3)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3COCH3 + K2SO4 + 2 MnSO4 + 3 H2O
Na(C2H3O2) + HNO3 = NaNO3 + H(C2H3O2) =>
Na(C2H3O2) + HNO3 = NaNO3 + H(C2H3O2)
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Zn(OH)2 + NHO3 = H2O + Zn(NO3)2 =>
Zn(OH)2 + 2 NHO3 = 2 H2O + Zn(NO3)2
Fe(C2H3O2)2 + KC4H5O6 + H2O2 = C14H27Fe3O18 + CO2 + K =>
3 Fe(C2H3O2)2 + KC4H5O6 + 2 H2O2 = C14H27Fe3O18 + 2 CO2 + K
KCl + NaC4H5O6 = KC4H5O6 + NaCl =>
KCl + NaC4H5O6 = KC4H5O6 + NaCl
ZnI2 + H2O = Zn(H2O)2I2 =>
ZnI2 + 2 H2O = Zn(H2O)2I2
(C7H12O3) + O2 = CO2 + H2O =>
2(C7H12O3) + 17 O2 = 14 CO2 + 12 H2O
Me + OH = Me(OH)2 =>
Me + 2 OH = Me(OH)2
CaCO3 + HCl = CaH2 + Cl2O + CO2 =>
CaCO3 + 2 HCl = CaH2 + Cl2O + CO2
Pb(NO3)3(aq) + NaOH(aq) = Pb(OH)3(s) + NaNO3(aq) =>
Pb(NO3)3(aq) + 3 NaOH(aq) = Pb(OH)3(s) + 3 NaNO3(aq)
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
K + Cl2 = (KCl) =>
2 K + Cl2 = 2(KCl)
Rb2S + Fe(NO3)3 = RbNO3 + Fe2S3 =>
3 Rb2S + 2 Fe(NO3)3 = 6 RbNO3 + Fe2S3
SrO + H2O = SrO2 + H2 =>
SrO + H2O = SrO2 + H2
ZnCO3 + Fe = FeCO3 + Zn =>
ZnCO3 + Fe = FeCO3 + Zn
UO2C2O4 + H2SO4 = H2C2O4 + UO2SO4 =>
UO2C2O4 + H2SO4 = H2C2O4 + UO2SO4
CH3CH2OH(l) + O2 = H2O(g) + CO2(g) =>
CH3CH2OH(l) + 3 O2 = 3 H2O(g) + 2 CO2(g)
NaHS + SO2 + NaOH = Na2S2O3 + H2O =>
2 NaHS + 4 SO2 + 4 NaOH = 3 Na2S2O3 + 3 H2O
K2CO3 + HClO4 = KClO4 + H2CO3 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2CO3
Ca + (OH)2 + Fe(NO3)3 = Fe(OH)3 + Ca(NO3)2 =>
3 Ca + 3(OH)2 + 2 Fe(NO3)3 = 2 Fe(OH)3 + 3 Ca(NO3)2
Mg(OH)2 + (HBr) = MgBr2 + H2O =>
Mg(OH)2 + 2(HBr) = MgBr2 + 2 H2O
NH4I = NH3 + HI =>
NH4I = NH3 + HI
Cr2O3 = Cr2O + O3 =>
3 Cr2O3 = 3 Cr2O + 2 O3
Pb(ClO3)4 = PbCl4 + O2 =>
Pb(ClO3)4 = PbCl4 + 6 O2
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CrCl3 + H2O2 + NaOH = NaCr2O4 + H2O + NaCl =>
4 CrCl3 + H2O2 + 14 NaOH = 2 NaCr2O4 + 8 H2O + 12 NaCl
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
As + Cl2 = AsCl5 =>
2 As + 5 Cl2 = 2 AsCl5
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
MnCl2 + NH4OH = Mn(OH)2 + ClNH4 =>
MnCl2 + 2 NH4OH = Mn(OH)2 + 2 ClNH4
K + SiO3 = K2O + Si =>
6 K + SiO3 = 3 K2O + Si
MnO4 + N2H4 = MnO2 + N2 + OH =>
2 MnO4 + N2H4 = 2 MnO2 + N2 + 4 OH
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C12 + NaBr = Br2 + NaC1 =>
C12 + 12 NaBr = 6 Br2 + 12 NaC1
CrCl3 + H2 = CrCl2 + HCl =>
2 CrCl3 + H2 = 2 CrCl2 + 2 HCl
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