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2 Cu + 2 HBr = 2 CuBr + H2
KSe = K + Se =>
KSe = K + Se
(COOH)2 + NaHCO3 = CH3COONa + CO2 + H2O =>
4(COOH)2 + NaHCO3 = CH3COONa + 7 CO2 + 3 H2O
NI3 = I18N6 =>
6 NI3 = I18N6
Na2CO3 = Na + O2 + CO2 =>
2 Na2CO3 = 4 Na + O2 + 2 CO2
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 HNO3 = 2 Ca(NO3)2 + Ca(H2PO4)2
F2 + NaCl = NaF + Cl =>
F2 + 2 NaCl = 2 NaF + 2 Cl
H2O2 = O2H2 =>
H2O2 = O2H2
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
Cl2 + ZnO = Zn6 + Cl2O4 =>
3 Cl2 + 12 ZnO = 2 Zn6 + 3 Cl2O4
SiF4 + H2O = H4SiO4 + H2SiF6 =>
3 SiF4 + 4 H2O = H4SiO4 + 2 H2SiF6
POCl3 = PCl3 + O2 =>
2 POCl3 = 2 PCl3 + O2
CUI2 = CUI + I2 =>
2 CUI2 = 2 CUI + I2
BaFl2 + H2SO4(aq) = Ba(HSO4)2 + HFl =>
BaFl2 + 2 H2SO4(aq) = Ba(HSO4)2 + 2 HFl
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
Fe3 + HCO3 = Fe(HCO3)3 =>
Fe3 + 9 HCO3 = 3 Fe(HCO3)3
(KNO3) + Al(OH)3 = Al(NO3)3 + (KOH) =>
3(KNO3) + Al(OH)3 = Al(NO3)3 + 3(KOH)
NaCl + CaBr3 = CaCl3 + NaBr =>
3 NaCl + CaBr3 = CaCl3 + 3 NaBr
KNO3 + HCl = KCl + HNO3 =>
KNO3 + HCl = KCl + HNO3
FeS + Ca = Fe + CaS =>
FeS + Ca = Fe + CaS
C8H18 + NO = CO2 + H2O + N =>
C8H18 + 25 NO = 8 CO2 + 9 H2O + 25 N
Ca2SiO4 = CaO + SiO2 =>
Ca2SiO4 = 2 CaO + SiO2
SrF = FSr =>
SrF = FSr
Hg + H2CO3 = HgHCO3 + H =>
Hg + H2CO3 = HgHCO3 + H
NO3 + S = NO2 + SO4 =>
4 NO3 + S = 4 NO2 + SO4
BaS + NaNO3 = BaNO3 + NaS =>
BaS + NaNO3 = BaNO3 + NaS
CrO4 + H2O2 = CrO5 + H2O =>
CrO4 + H2O2 = CrO5 + H2O
H2SO4 + SiO2 + KNO3 + Pb = K2SiO3 + Pb(NO3)2 + H2S =>
H2SO4 + 4 SiO2 + 8 KNO3 + 4 Pb = 4 K2SiO3 + 4 Pb(NO3)2 + H2S
CH3CH2OH + KMnO4 + KOH = CH3COOH + K2MnO4 + H2O =>
CH3CH2OH + 4 KMnO4 + 4 KOH = CH3COOH + 4 K2MnO4 + 3 H2O
H2O(g) + SO3(g) = H2SO4(g) =>
H2O(g) + SO3(g) = H2SO4(g)
P5 + O2 = P2O5 =>
4 P5 + 25 O2 = 10 P2O5
SiO2 + HF = HFO2 + Si =>
SiO2 + HF = HFO2 + Si
Ba(HCO3)2 + NaHSO4 = Na2SO4 + BaSO4 + CO2 + H2O =>
Ba(HCO3)2 + 2 NaHSO4 = Na2SO4 + BaSO4 + 2 CO2 + 2 H2O
SO3S{2-} + H3O{+} = S + SO4{2-} + H2O =>
3 SO3S{2-} + 2 H3O{+} = 4 S + 2 SO4{2-} + 3 H2O
PbSO4 + KMnO4 = Pb(MnO4)2 + K2SO4 =>
PbSO4 + 2 KMnO4 = Pb(MnO4)2 + K2SO4
H2S + HNO3 = S8 + NO2 + H2O =>
8 H2S + 16 HNO3 = S8 + 16 NO2 + 16 H2O
SnCl2 + HCl + HNO3 = H2[SnCl6] + NO + H2O =>
3 SnCl2 + 12 HCl + 2 HNO3 = 3 H2[SnCl6] + 2 NO + 4 H2O
H2S + Ba(OH)2 = Ba2S2 + H2O =>
2 H2S + 2 Ba(OH)2 = Ba2S2 + 4 H2O
C6H5CH2COCH3 + H2NCH3 = C6H5CH2CNCH3CH3 + H2O =>
C6H5CH2COCH3 + H2NCH3 = C6H5CH2CNCH3CH3 + H2O
As2O3 + H = As + H2O =>
As2O3 + 6 H = 2 As + 3 H2O
KF + Ca(OH)2 = KOH + CaF2 =>
2 KF + Ca(OH)2 = 2 KOH + CaF2
Zn(OH)2 + Na = Na2O + H2 + Zn =>
Zn(OH)2 + 4 Na = 2 Na2O + H2 + Zn
NaCl(ac) + AgNO3 = AgCl + NaNO3 =>
NaCl(ac) + AgNO3 = AgCl + NaNO3
SiO2 + C + Ca(PO4)2 = P4 + CaSiO3 + CO =>
2 SiO2 + 14 C + 2 Ca(PO4)2 = P4 + 2 CaSiO3 + 14 CO
I2 + Na2S2O3 = NaI + NaS4O6 =>
3 I2 + 4 Na2S2O3 = 6 NaI + 2 NaS4O6
C6H18 + O2 = CO + H2O =>
2 C6H18 + 15 O2 = 12 CO + 18 H2O
NaOH + CO2 + H2O = Na2CO3*10H2O =>
2 NaOH + CO2 + 9 H2O = Na2CO3*10H2O
ClO2 + NaOH = NaClO2 + NaClO3 + H2O =>
2 ClO2 + 2 NaOH = NaClO2 + NaClO3 + H2O
Ba(OH)2 + NaOH = BaNa2 + OH =>
Ba(OH)2 + 2 NaOH = BaNa2 + 4 OH
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