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4 Fe(OH)3 + 4 CO2 = 4 FeCO3 + 6 H2O + O2
CaBr2 + Al2(CO3)3 = AlBr3 + CaCO3 =>
3 CaBr2 + Al2(CO3)3 = 2 AlBr3 + 3 CaCO3
H3P + Sr(OH)2 = H(OH) + Sr3P2 =>
2 H3P + 3 Sr(OH)2 = 6 H(OH) + Sr3P2
FeCl2 + Ag = AgCl + Fe =>
FeCl2 + 2 Ag = 2 AgCl + Fe
Cu(NO3)2 = Cu2O + NO2 + O2 =>
4 Cu(NO3)2 = 2 Cu2O + 8 NO2 + 3 O2
Si + NH3 = Si3N + H2 =>
6 Si + 2 NH3 = 2 Si3N + 3 H2
H2SO4 + KBr + KMnO4 = Br2 + H2O + K2SO4 + MnSO4 =>
8 H2SO4 + 10 KBr + 2 KMnO4 = 5 Br2 + 8 H2O + 6 K2SO4 + 2 MnSO4
KMnO4 + H2O + MnSO4 = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 2 H2O + 3 MnSO4 = 5 MnO2 + K2SO4 + 2 H2SO4
CH3CH2CH2OHCH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3H2O =>
CH3CH2CH2OHCH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3H2O
NO + K(OH) = N2O + KNO2 + H2O =>
4 NO + 2 K(OH) = N2O + 2 KNO2 + H2O
Pb(NO3)2 + BaCl2 = Ba(NO3)2PbCl2 =>
Pb(NO3)2 + BaCl2 = Ba(NO3)2PbCl2
NaI(aq) + Cl2(aq) = NaCl + I2 =>
2 NaI(aq) + Cl2(aq) = 2 NaCl + I2
CaO + HBr = CaBr2 + H2O =>
CaO + 2 HBr = CaBr2 + H2O
P3Br4 = P + Br =>
P3Br4 = 3 P + 4 Br
CH3Cl + H2 = CH4 + Cl2 =>
2 CH3Cl + H2 = 2 CH4 + Cl2
Ba + C = Ba4C2 =>
4 Ba + 2 C = Ba4C2
FeCl2 + H2S = FeCl + HCl + S =>
2 FeCl2 + H2S = 2 FeCl + 2 HCl + S
Cu(NO3)2 + H2 = Cu + NH3 + H2O =>
Cu(NO3)2 + 9 H2 = Cu + 2 NH3 + 6 H2O
Fe(s) + S(g) = Fe2S3(s) =>
2 Fe(s) + 3 S(g) = Fe2S3(s)
B + H2SO4 = B2(SO4)3 + H2 =>
2 B + 3 H2SO4 = B2(SO4)3 + 3 H2
CaO + O2 = CaO2 =>
2 CaO + O2 = 2 CaO2
C + O = CO2 =>
C + 2 O = CO2
Cd + HClO4 = Cd(ClO4)2 + Cl2O3 + H2O =>
4 Cd + 10 HClO4 = 4 Cd(ClO4)2 + Cl2O3 + 5 H2O
Ca(CH3COO)2 + NH4Cl = CaCl2 + NH4(CH3COO) =>
Ca(CH3COO)2 + 2 NH4Cl = CaCl2 + 2 NH4(CH3COO)
SnCl2 + CCl4 = SnCCl4 + Cl2 =>
SnCl2 + CCl4 = SnCCl4 + Cl2
KMnO4 + NaNO2 + H2SO4 = MnSO4 + NaNO3 + H2O + K2SO4 =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = 2 MnSO4 + 5 NaNO3 + 3 H2O + K2SO4
ON(SO3Na)2 + KCl = K2ON(SO3)2 + NaCl =>
ON(SO3Na)2 + 2 KCl = K2ON(SO3)2 + 2 NaCl
F3O4 + C = F + CO =>
F3O4 + 4 C = 3 F + 4 CO
Si + NO2 = SiO3 + N2O =>
Si + 2 NO2 = SiO3 + N2O
BaCO3 + H2SO3 = BaSO3 + H2CO3 =>
BaCO3 + H2SO3 = BaSO3 + H2CO3
NH3 + O8 = NO2 + H2O =>
16 NH3 + 7 O8 = 16 NO2 + 24 H2O
Cu + Ni = CuNi =>
Cu + Ni = CuNi
CH3CH2CH2Cl + NH3 + NaOH = CH3CH2CH2ONa + NH4Cl =>
CH3CH2CH2Cl + NH3 + NaOH = CH3CH2CH2ONa + NH4Cl
Zn(C2H3O2) + CsOH = ZnOH + Cs(C2H3O2) =>
Zn(C2H3O2) + CsOH = ZnOH + Cs(C2H3O2)
KI + Sr(NO3)2 = KNO3 + SrI2 =>
2 KI + Sr(NO3)2 = 2 KNO3 + SrI2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CH3CH2CH2OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3CH2CH2OH(l) + 9 O2(g) = 6 CO2(g) + 8 H2O(g)
BaO = Ba + O =>
BaO = Ba + O
ZnCO3 + HClO4 = Zn(ClO4)2 + CO2 + H2O =>
ZnCO3 + 2 HClO4 = Zn(ClO4)2 + CO2 + H2O
NH3 + Hg(OH)2 = [Hg(NH3)4] + OH =>
4 NH3 + Hg(OH)2 = [Hg(NH3)4] + 2 OH
KMnO4 + H2S + H2O = MnO2 + H2SO3 + KOH =>
2 KMnO4 + H2S + H2O = 2 MnO2 + H2SO3 + 2 KOH
H3O16C12 + O2 = CO2 + H2O =>
4 H3O16C12 + 19 O2 = 48 CO2 + 6 H2O
MgS + H2SO4 = MgSO4 + H2O + SO2 =>
MgS + 4 H2SO4 = MgSO4 + 4 H2O + 4 SO2
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
Na3AsO4 + Na2S + HCl = NaCl + AsCl3 + H2O + S =>
Na3AsO4 + Na2S + 8 HCl = 5 NaCl + AsCl3 + 4 H2O + S
KMnO4 + Na2S = K2S + NaMnO4 =>
2 KMnO4 + Na2S = K2S + 2 NaMnO4
HIO + NaOH = NaIO + H2O =>
HIO + NaOH = NaIO + H2O
FeCl3BaCl2 = FeCl2BaCl3 =>
FeCl3BaCl2 = FeCl2BaCl3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
NaVO3 + H2SO4 + KI = I2 + V2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
2 NaVO3 + 6 H2SO4 + 4 KI = 2 I2 + V2(SO4)3 + Na2SO4 + 2 K2SO4 + 6 H2O
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