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2 CrB2 + O2 = 2 CrB + 2 BO
H2SO4 + CuO = CuSO4 + H2O =>
H2SO4 + CuO = CuSO4 + H2O
CaNO3 + Na2CO3 = CaCO3 + Na2NO3 =>
CaNO3 + Na2CO3 = CaCO3 + Na2NO3
K2S + Na2O = K2O + Na2S =>
K2S + Na2O = K2O + Na2S
Cr2(CO3)3 + KOH = K2CrO4 + CO + H2O =>
Cr2(CO3)3 + 4 KOH = 2 K2CrO4 + 3 CO + 2 H2O
K + H = KH2 =>
K + 2 H = KH2
Fe(oh)2 + O2 + H2O = Fe(OH)3 =>
2 Fe(oh)2 + 3 O2 + 6 H2O = 4 Fe(OH)3
SO2 + K2CrO4 = K2SO4 + CrO2 =>
SO2 + K2CrO4 = K2SO4 + CrO2
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
H2Se + Sn = SnSe + H2 =>
H2Se + Sn = SnSe + H2
K2Cr2O7(aq) + C2H5OH(aq) + H2SO4(conc) = Cr2(SO4)3(aq) + C2H4O(aq) + H2O(l) + K2SO4(aq) =>
K2Cr2O7(aq) + 3 C2H5OH(aq) + 4 H2SO4(conc) = Cr2(SO4)3(aq) + 3 C2H4O(aq) + 7 H2O(l) + K2SO4(aq)
PbI + Na2S2O3 = [Pb(S2O3)2] + Na + I =>
PbI + 2 Na2S2O3 = [Pb(S2O3)2] + 4 Na + I
K2SO4 + Fe(NO3)2 = FeSO4 + K(NO3) =>
K2SO4 + Fe(NO3)2 = FeSO4 + 2 K(NO3)
Pb(NO3)2 + H2S = PbS + NO + H2O + S =>
Pb(NO3)2 + 4 H2S = PbS + 2 NO + 4 H2O + 3 S
N2O5 + KOH = H2O + KNO3 =>
N2O5 + 2 KOH = H2O + 2 KNO3
Pt + HCl + HNO3 = H3PtCl6 + NO + H2O =>
Pt + 6 HCl + HNO3 = H3PtCl6 + NO + 2 H2O
HCl + Cr = CrCl4 + H2 =>
4 HCl + Cr = CrCl4 + 2 H2
HF + Mg(OH)2 = H2O + Mg(F)2 =>
2 HF + Mg(OH)2 = 2 H2O + Mg(F)2
Cr2O3 + SO2 = Cr2S3 + O2 =>
2 Cr2O3 + 6 SO2 = 2 Cr2S3 + 9 O2
MgCl2 + Na2SO3 = Mg(SO3) + NaCl =>
MgCl2 + Na2SO3 = Mg(SO3) + 2 NaCl
Zn(HSO4)2 + NaOH = ZnSO4 + Na2SO4 + H2O =>
Zn(HSO4)2 + 2 NaOH = ZnSO4 + Na2SO4 + 2 H2O
H2SO4 + NaCl + H2O = NaHSO4 + Cl2 + H3O =>
2 H2SO4 + 2 NaCl + 2 H2O = 2 NaHSO4 + Cl2 + 2 H3O
KCl + MnCl + H2O + Cl2 = KMnO4 + HCl =>
KCl + MnCl + 4 H2O + 3 Cl2 = KMnO4 + 8 HCl
Pb(II)CO3 = Pb(II)O + CO2 =>
Pb(II)CO3 = Pb(II)O + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaHCO3 = Ca + HCO3 =>
CaHCO3 = Ca + HCO3
Mg(CH3COO)2 + K3PO4 = MgPO4 + K3(CH3COO)2 =>
Mg(CH3COO)2 + K3PO4 = MgPO4 + K3(CH3COO)2
SIF4 + NaOH = Na4SIO4 + NaF + H2O =>
SIF4 + 8 NaOH = Na4SIO4 + 4 NaF + 4 H2O
CdCl2(aq) + H2S(aq) = CdS(s) + HCl(aq) =>
CdCl2(aq) + H2S(aq) = CdS(s) + 2 HCl(aq)
SiH4 + MgCl2 = Mg2Si + HCl =>
SiH4 + 2 MgCl2 = Mg2Si + 4 HCl
Eu2(SO4)3 + Zn = EuSO4 + ZnSO4 =>
Eu2(SO4)3 + Zn = 2 EuSO4 + ZnSO4
Cr(NO3)3 + (NH4)2CO3 = CrCO3 + (NH4)2(NO3)3 =>
Cr(NO3)3 + (NH4)2CO3 = CrCO3 + (NH4)2(NO3)3
Ag3PO4 + NH3*H2O = [Ag(NH3)2]3PO4 + H2O =>
Ag3PO4 + 6 NH3*H2O = [Ag(NH3)2]3PO4 + 6 H2O
ClO3 + Cl = Cl2ClO2 =>
2 ClO3 + 7 Cl = 3 Cl2ClO2
C2H3ONa + HCl = C2H4O + NaCl =>
C2H3ONa + HCl = C2H4O + NaCl
Na2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + K2SO4 + 4 H2O
HNO2 + HI = NO + I3 + H2O =>
3 HNO2 + 3 HI = 3 NO + I3 + 3 H2O
Ca + Na2Co3 = CaCo3 + Na =>
Ca + Na2Co3 = CaCo3 + 2 Na
Co2 + Ba(OH)2 = BaCo3 + OH =>
3 Co2 + 2 Ba(OH)2 = 2 BaCo3 + 4 OH
PbO(s) + NaCl(aq) + H2O(l) + CO2(g) = Pb2Cl2CO3(s) + NaOH(aq) =>
2 PbO(s) + 2 NaCl(aq) + H2O(l) + CO2(g) = Pb2Cl2CO3(s) + 2 NaOH(aq)
KMnO4 + Fe2 = FeMnO4 + K =>
2 KMnO4 + Fe2 = 2 FeMnO4 + 2 K
NH4Cl + CaBr2 = CaCl2 + NH4Br =>
2 NH4Cl + CaBr2 = CaCl2 + 2 NH4Br
Fe + Cl2 + Nd = NdFeCl3 =>
2 Fe + 3 Cl2 + 2 Nd = 2 NdFeCl3
NH3 + CuSO4 = NSO4 + H3Cu =>
NH3 + CuSO4 = NSO4 + H3Cu
CaS + HBr = CaBr + HS =>
CaS + HBr = CaBr + HS
K3[Cr(OH)6] = K3CrO3 + H2O =>
K3[Cr(OH)6] = K3CrO3 + 3 H2O
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
Mg(OH) = Mg2O + H2O =>
2 Mg(OH) = Mg2O + H2O
Cr2O3 + SO2 = CrO3 + S =>
2 Cr2O3 + 3 SO2 = 4 CrO3 + 3 S
NaCO3(s) + HCl = NaCl2(aq) + CO2(g) + H2O(l) =>
NaCO3(s) + 2 HCl = NaCl2(aq) + CO2(g) + H2O(l)
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