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8 FeCl2 + K2(Cr2O7) + 14 HCl = 8 FeCl3 + 2 KCl + 2 CrCl2 + 7 H2O
Y(OH)3 + HBr = YBr3 + H2O =>
Y(OH)3 + 3 HBr = YBr3 + 3 H2O
KMnO4 + CaCl2 + H2SO4 = K2SO4 + MnSO4 + CaSO4 + Cl2 + H2O =>
2 KMnO4 + 5 CaCl2 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 CaSO4 + 5 Cl2 + 8 H2O
Zn(s) + (HNO3)(aq) = ZnNO3(aq) + H2(g) =>
2 Zn(s) + 2(HNO3)(aq) = 2 ZnNO3(aq) + H2(g)
Sr(HCO3)2 + Na2CO3 = SrCO3 + NaHCO3 =>
Sr(HCO3)2 + Na2CO3 = SrCO3 + 2 NaHCO3
C5H7O2N + O2 = CO2 + H2O + NH3 =>
C5H7O2N + 5 O2 = 5 CO2 + 2 H2O + NH3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
FrI + Co(OH)3 = Fr(OH) + CoI3 =>
3 FrI + Co(OH)3 = 3 Fr(OH) + CoI3
NaHCO3 + HgCl2 + H2O = Hg4O3CO3 + HCl + NaCl =>
NaHCO3 + 4 HgCl2 + 3 H2O = Hg4O3CO3 + 7 HCl + NaCl
CrI3 + KOH + Br2 = K(IO4) + K2(CrO4) + KBr + H2O =>
2 CrI3 + 64 KOH + 27 Br2 = 6 K(IO4) + 2 K2(CrO4) + 54 KBr + 32 H2O
HClO + KI = KCl + HIO =>
HClO + KI = KCl + HIO
Co3O4 + H2SO4 = Co3SO4 + H2O + O2 =>
2 Co3O4 + 2 H2SO4 = 2 Co3SO4 + 2 H2O + 3 O2
NH3 + I2 = NI3 + H2 =>
2 NH3 + 3 I2 = 2 NI3 + 3 H2
Hg2(NO3)2 + KI = Hg2(I2) + KNO3 =>
Hg2(NO3)2 + 2 KI = Hg2(I2) + 2 KNO3
Cr(ClO4)3 + K2CO3 = Cr2(CO3)3 + KClO4 =>
2 Cr(ClO4)3 + 3 K2CO3 = Cr2(CO3)3 + 6 KClO4
KMnO4 + NaOH = NaMnO4 + KOH =>
KMnO4 + NaOH = NaMnO4 + KOH
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2SIO3 + CaO = H2O + CaSIO3 =>
H2SIO3 + CaO = H2O + CaSIO3
Pe + Ni + S = PeNiS =>
Pe + Ni + S = PeNiS
Li2O + SO2 = Li2SO3 =>
Li2O + SO2 = Li2SO3
CrCl2 + Cl2 = CrCl4 =>
CrCl2 + Cl2 = CrCl4
Ag + FeSO4 = Fe + Ag2(SO4) =>
2 Ag + FeSO4 = Fe + Ag2(SO4)
B + H2 = B2H6 =>
2 B + 3 H2 = B2H6
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
MgCl2 + SiO2 + H2O = Mg2SiO4 + HCl =>
2 MgCl2 + SiO2 + 2 H2O = Mg2SiO4 + 4 HCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Al(NO3)3 + Ca(HCO3)2 = Ca(NO3)2 + Al(OH)3 + CO2 =>
2 Al(NO3)3 + 3 Ca(HCO3)2 = 3 Ca(NO3)2 + 2 Al(OH)3 + 6 CO2
C + H2 + Cl = CH3Cl =>
2 C + 3 H2 + 2 Cl = 2 CH3Cl
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CoCl2 + NH2NH2 + NaOH = [Co(NH2NH2)4](OH)2 + NaCl =>
CoCl2 + 4 NH2NH2 + 2 NaOH = [Co(NH2NH2)4](OH)2 + 2 NaCl
Sr + ClO3 = Sr(ClO3)2 =>
Sr + 2 ClO3 = Sr(ClO3)2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
La2(CO3)3 + H2SO4 = La2(SO4)3 + H2O + CO2 =>
La2(CO3)3 + 3 H2SO4 = La2(SO4)3 + 3 H2O + 3 CO2
FrI + Co(OH)3 = Fr(OH) + CoI3 =>
3 FrI + Co(OH)3 = 3 Fr(OH) + CoI3
H3O + CO2 = H4O2HC + H2O =>
5 H3O + CO2 = H4O2HC + 5 H2O
*Cu + H2SO4 = CuSO4 + SO2 + H2O =>
*Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Pb + Na2SO3 = Pb(SO3)2 + Na =>
Pb + 2 Na2SO3 = Pb(SO3)2 + 4 Na
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CuO(s) + CH3CH2OH(g) = Cu(s) + CO2(g) + H2O(l) =>
6 CuO(s) + CH3CH2OH(g) = 6 Cu(s) + 2 CO2(g) + 3 H2O(l)
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq) =>
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq)
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C6H5OH + CH3COCl = CH3COOC6H5 + HCl =>
C6H5OH + CH3COCl = CH3COOC6H5 + HCl
AgNo3 + Ag3Po4 = AgPo4 + Ag3No3 =>
AgNo3 + Ag3Po4 = AgPo4 + Ag3No3
C2H2 + Br2 = Br2C2 + H2 =>
C2H2 + Br2 = Br2C2 + H2
Pb(NO3)2 + HCl = PbCl2 + H(NO3) =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 H(NO3)
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