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3 Se + 9 H2O + 4 P = 4 PH3 + 3 H2SeO3
FeI2 = FeI + I2 =>
2 FeI2 = 2 FeI + I2
NH4Br + KOH = NH4OH + KBr =>
NH4Br + KOH = NH4OH + KBr
(NH4)2SO4(aq) + Ba(NO3)2(aq) = (NH4)NO3(aq) + BaSO4(s) =>
(NH4)2SO4(aq) + Ba(NO3)2(aq) = 2(NH4)NO3(aq) + BaSO4(s)
COFe2CO3 = FeCO2 =>
COFe2CO3 = 2 FeCO2
H3PO2 + I2 + H2O = HI + H3PO4 =>
H3PO2 + 2 I2 + 2 H2O = 4 HI + H3PO4
Na2CO3 + H2 = Na + CO2 + H2O =>
Na2CO3 + H2 = 2 Na + CO2 + H2O
C2O2H2 + O2 = CO2 + H2O =>
2 C2O2H2 + 3 O2 = 4 CO2 + 2 H2O
Na3PO4 + CaCl = Ca3PO4*2 + NaCl =>
Na3PO4 + 3 CaCl = Ca3PO4*2 + 3 NaCl
C6H12O6 + AgNO3 + NH3 = Ag + CO2 + NH4NO3 =>
C6H12O6 + 8 AgNO3 + 4 NH3 = 8 Ag + 6 CO2 + 6 NH4NO3
AlCl3 + Na2SO3 = NaCl + Al2(SO3)3 =>
2 AlCl3 + 3 Na2SO3 = 6 NaCl + Al2(SO3)3
As2S3 + O2 = As2O3 + SO2 =>
2 As2S3 + 9 O2 = 2 As2O3 + 6 SO2
C3H6Cl2 + KOH = CH3CH2COH + KCl + HOH =>
C3H6Cl2 + 2 KOH = CH3CH2COH + 2 KCl + HOH
C5H13N + O2 = Water + CO2 + NO2 =>
4 C5H13N + 37 O2 = 26 H2O + 20 CO2 + 4 NO2
CuAlCl3 = CuCl3Al =>
CuAlCl3 = CuCl3Al
K2S2O5 + AuCl3 + H2O = KHSO4 + HCl + Au =>
3 K2S2O5 + 4 AuCl3 + 9 H2O = 6 KHSO4 + 12 HCl + 4 Au
FeCl3 + HNO3 = Fe(NO3)2 + NO2 + Cl2 + H2O =>
2 FeCl3 + 8 HNO3 = 2 Fe(NO3)2 + 4 NO2 + 3 Cl2 + 4 H2O
Na2(CO3) + Ca(OH)2 = Ca(CO3) + NaOH =>
Na2(CO3) + Ca(OH)2 = Ca(CO3) + 2 NaOH
FeSO4 + K2CrO4 + NaOH + H2O = Na3(Cr[OH]6) + KOH + FeOHSO4 =>
3 FeSO4 + K2CrO4 + 3 NaOH + 4 H2O = Na3(Cr[OH]6) + 2 KOH + 3 FeOHSO4
NaOH + HF = H2O + NaF =>
NaOH + HF = H2O + NaF
CuO + H2SO4 = CuS + H2O + O4 =>
CuO + H2SO4 = CuS + H2O + O4
Sr(NO3)2 + Na2CO3 = SrCO3 + Na2(NO3)2 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + Na2(NO3)2
ZnOCO = ZnCO2 =>
ZnOCO = ZnCO2
FeOOH + H2SO4 = Fe2(SO4)3 + H2O =>
2 FeOOH + 3 H2SO4 = Fe2(SO4)3 + 4 H2O
Ag + NH4CNS = NH4 + AgCNS =>
Ag + NH4CNS = NH4 + AgCNS
H2SO4 + K2Cr2O7 + U = U(SO4)2 + H2O + K2Cr2O4 =>
6 H2SO4 + 2 K2Cr2O7 + 3 U = 3 U(SO4)2 + 6 H2O + 2 K2Cr2O4
H2S + Na2SO3 = Na2S + S + H2O =>
3 H2S + Na2SO3 = Na2S + 3 S + 3 H2O
CuNO3 + NaOH = CuOH + NaNO3 =>
CuNO3 + NaOH = CuOH + NaNO3
KI + H2SO4 + NaClO = I2 + NaCl + KSO4 + H2O =>
2 KI + 2 H2SO4 + 2 NaClO = I2 + 2 NaCl + 2 KSO4 + 2 H2O
CH3COOH + C2H5OH = CH3COOCH3CH2 + H2O =>
CH3COOH + C2H5OH = CH3COOCH3CH2 + H2O
CuO + HI = CuI + I2 + H2O =>
2 CuO + 4 HI = 2 CuI + I2 + 2 H2O
MgCOOH + CH3CH2OH = Mg(OH)2 + CH3COOH + CH3CH3CH =>
MgCOOH + 2 CH3CH2OH = Mg(OH)2 + CH3COOH + CH3CH3CH
Au + HCl + HNO3 = AuCl3 + H2O + NO =>
Au + 3 HCl + HNO3 = AuCl3 + 2 H2O + NO
RuCl3 + P(C6H5)3 + NaBH4 + HCHO = H2(CO)(P(C6H5)3)3Ru + NaCl + BH4 =>
RuCl3 + 3 P(C6H5)3 + 3 NaBH4 + HCHO = H2(CO)(P(C6H5)3)3Ru + 3 NaCl + 3 BH4
C2H5OH + K2Cr2O7 + H2SO4 = Cr2(SO4) + K2SO4 + C2H4O + H2O =>
5 C2H5OH + K2Cr2O7 + 2 H2SO4 = Cr2(SO4) + K2SO4 + 5 C2H4O + 7 H2O
SrO + Cr2O3 + SrCrO4 = Sr2CrO4 =>
5 SrO + Cr2O3 + SrCrO4 = 3 Sr2CrO4
F = F2 =>
2 F = F2
CoCl2 + Na2CO3 = NaCl + CO3Co =>
CoCl2 + Na2CO3 = 2 NaCl + CO3Co
Br + Ba(NO3)2 = Br(NO3)2 + Ba =>
Br + Ba(NO3)2 = Br(NO3)2 + Ba
Fe(OH)3 + HF = FeF3 + HOH =>
Fe(OH)3 + 3 HF = FeF3 + 3 HOH
Cu + Ag(OH)2 = Ag + Cu(OH)2 =>
Cu + Ag(OH)2 = Ag + Cu(OH)2
H2 + Ca = H2Ca =>
H2 + Ca = H2Ca
Al(s) + HMnO4(aq) + H2O(l) = MnO2(s) + HAl(OH)4(aq) =>
Al(s) + HMnO4(aq) + 2 H2O(l) = MnO2(s) + HAl(OH)4(aq)
ReCl3 + AgClO4 = Re(ClO4)3 + AgCl =>
ReCl3 + 3 AgClO4 = Re(ClO4)3 + 3 AgCl
AlO2 + HCl = (HCl)O2 + Al =>
AlO2 + HCl = (HCl)O2 + Al
H2O + C6H5OH = C6H5O{-} + H3O{+} =>
H2O + C6H5OH = C6H5O{-} + H3O{+}
AuH2O = H2AuO =>
AuH2O = H2AuO
Sr + CdNO3 = Sr(NO3)2 + Cd =>
Sr + 2 CdNO3 = Sr(NO3)2 + 2 Cd
MnOO3 = MnO2O2 =>
MnOO3 = MnO2O2
Bi + HNO3 = Bi(NO3)3 + NO2 + H2O =>
Bi + 6 HNO3 = Bi(NO3)3 + 3 NO2 + 3 H2O
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