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K2Cr2O7 + 4 H2SO4 + 3 Na2SO3 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 4 H2O
K2SO3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O =>
5 K2SO3 + 2 KMnO4 + 3 H2SO4 = 6 K2SO4 + 2 MnSO4 + 3 H2O
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO2 =>
2 Ca3(PO4)2 + 6 SiO2 + 5 C = P4 + 6 CaSiO3 + 5 CO2
NH4OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H2O
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cu + NaNO3 + HCl = CuCl2 + NaCl + NO + H2O =>
3 Cu + 2 NaNO3 + 8 HCl = 3 CuCl2 + 2 NaCl + 2 NO + 4 H2O
AlN + H2O = Al(OH)3 + NH3 =>
AlN + 3 H2O = Al(OH)3 + NH3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Fe + HCl = H + FeCl =>
Fe + HCl = H + FeCl
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
ZnCu + HCl = H2 + ZnCl + Cu =>
2 ZnCu + 2 HCl = H2 + 2 ZnCl + 2 Cu
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
S + NaOH = SOH + Na =>
S + NaOH = SOH + Na
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
I{-} + O2 + H2O = I2 + OH{-} =>
4 I{-} + O2 + 2 H2O = 2 I2 + 4 OH{-}
HCHO2 + O2 = CO2 + H2O =>
2 HCHO2 + O2 = 2 CO2 + 2 H2O
C2H5OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H5OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
Na2CO3 + BaCl2 = NaCl + BaCO3 =>
Na2CO3 + BaCl2 = 2 NaCl + BaCO3
Na2CO3 + BaCl2 = NaCl + Ba2(CO3)2 =>
2 Na2CO3 + 2 BaCl2 = 4 NaCl + Ba2(CO3)2
MoO3 + H2SO4 = MoO2SO4 + H2O =>
MoO3 + H2SO4 = MoO2SO4 + H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Na2SnO2 + Bi(OH)3 = Bi + Na2SnO3 + H2O =>
3 Na2SnO2 + 2 Bi(OH)3 = 2 Bi + 3 Na2SnO3 + 3 H2O
HI + H2SO4 + KMnO4 = K2SO4 + MnSO4 + H2O + I2 =>
10 HI + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 I2
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
C9H10O + NaBH4 + H2O = C9H12O + NaBH3OH =>
C9H10O + NaBH4 + H2O = C9H12O + NaBH3OH
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
SnCl2 + K2Cr2O7 + HCl = CrCl3 + KCl + SnCl4 + H2O =>
3 SnCl2 + K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 3 SnCl4 + 7 H2O
CH3CH2OH + O2 = H2O + C2H4O2 =>
CH3CH2OH + O2 = H2O + C2H4O2
NaOCl + HCl = NaCl + H2O + Cl2 =>
NaOCl + 2 HCl = NaCl + H2O + Cl2
NaFeO2 + KClO3 + K2CO3 = K2FeO4 + KCl + CO2 + Na2CO3 =>
2 NaFeO2 + KClO3 + 2 K2CO3 = 2 K2FeO4 + KCl + CO2 + Na2CO3
MnO4 + NO2 = MnO2 + NO3 =>
MnO4 + 2 NO2 = MnO2 + 2 NO3
CaC2 + H{+} = Ca{2+} + C2H2 =>
CaC2 + 2 H{+} = Ca{2+} + C2H2
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
C2H2 + Cl2 = C + HCl =>
C2H2 + Cl2 = 2 C + 2 HCl
Pb{2+} + I{-} = PbI2 =>
Pb{2+} + 2 I{-} = PbI2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Pb{2+} + I{-} = Pb + I =>
Pb{2+} + 2 I{-} = Pb + 2 I
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
Cu2CO3 + HCl = H2O + CO2 + CuCl =>
Cu2CO3 + 2 HCl = H2O + CO2 + 2 CuCl
K2CrO4(aq) + SnF4(aq) = K2F4(aq) + SnCrO4(s) =>
K2CrO4(aq) + SnF4(aq) = K2F4(aq) + SnCrO4(s)
Cu + HCl = H2 + CuCl2 =>
Cu + 2 HCl = H2 + CuCl2
NO2 + H20 + O2 = HNO3 =>
20 NO2 + H20 + 10 O2 = 20 HNO3
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
Ca(HCO3)2(aq) + HBr(aq) = CaBr2(s) + H2CO3 =>
Ca(HCO3)2(aq) + 2 HBr(aq) = CaBr2(s) + 2 H2CO3
Al2O3*2H2O + NaOH = NaAlO2 + H2O =>
Al2O3*2H2O + 2 NaOH = 2 NaAlO2 + 3 H2O
Ba(OH)2 + CO2 = Ba(CO3) + H2O =>
Ba(OH)2 + CO2 = Ba(CO3) + H2O
Mo(OH)3 + H2O = MoO2(OH)2 + H2 =>
2 Mo(OH)3 + 2 H2O = 2 MoO2(OH)2 + 3 H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
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