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2 Cr(OH)3 + 3 Br2 + 4 KOH = 2 K2CrO4 + 6 HBr + 2 H2O
Cu2I2 + HgCl2 = Cu2(HgI4) + CuCl =>
2 Cu2I2 + HgCl2 = Cu2(HgI4) + 2 CuCl
BaCl2 + K2SO4 = BaSO4 + KCl =>
BaCl2 + K2SO4 = BaSO4 + 2 KCl
CH3CH2ONa + OH = CH3CH2OH + ONa =>
CH3CH2ONa + OH = CH3CH2OH + ONa
Na2S + CuCH3CO2 = Cu2S + NaCH3CO2 =>
Na2S + 2 CuCH3CO2 = Cu2S + 2 NaCH3CO2
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
C + S + O = CSO =>
C + S + O = CSO
Li + P4 = LiP2 =>
2 Li + P4 = 2 LiP2
K + F = KF =>
K + F = KF
OH + H2 = OH2H =>
OH + H2 = OH2H
RCOOR + NaOH = NaCO2 + OHR2 =>
RCOOR + NaOH = NaCO2 + OHR2
CH3CO2K + HI = CH3CO2I + HK =>
CH3CO2K + HI = CH3CO2I + HK
C6H12N4 + HCl = C6H14N4Cl2 =>
C6H12N4 + 2 HCl = C6H14N4Cl2
Mo + H2OOCCOO = MoH6 + OOCCOO =>
Mo + 3 H2OOCCOO = MoH6 + 3 OOCCOO
K2CrO + H2SO4 = K2SO4 + H2CrO =>
K2CrO + H2SO4 = K2SO4 + H2CrO
FeCl3 + NaNO3 = Fe(NO3)3 + ClNa =>
FeCl3 + 3 NaNO3 = Fe(NO3)3 + 3 ClNa
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
(CH3COO)2Pb + KI = PbI2 + CH3COOK =>
(CH3COO)2Pb + 2 KI = PbI2 + 2 CH3COOK
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
Fe(s) + Fe2O3(s) = Fe3O4(s) =>
Fe(s) + 4 Fe2O3(s) = 3 Fe3O4(s)
Fe(OH)3{-} + H2O + O2 = Fe(OH)4{-} =>
4 Fe(OH)3{-} + 2 H2O + O2 = 4 Fe(OH)4{-}
HBr(aq) + KOH(aq) = KBr(s) + H2O(l) =>
HBr(aq) + KOH(aq) = KBr(s) + H2O(l)
Ca(ClO3)2 = CaCl2 + O2(g) =>
Ca(ClO3)2 = CaCl2 + 3 O2(g)
CH3OH + K2Cr2O7 + HCl = CO2 + KCl + CrCl3 + H2O =>
CH3OH + K2Cr2O7 + 8 HCl = CO2 + 2 KCl + 2 CrCl3 + 6 H2O
Hg2(NO3)2(aq) + NaCl(aq) = Hg2Cl2(aq) + NaNO3(aq) =>
Hg2(NO3)2(aq) + 2 NaCl(aq) = Hg2Cl2(aq) + 2 NaNO3(aq)
K + MgCl2 = (K2)Cl + Mg =>
4 K + MgCl2 = 2(K2)Cl + Mg
Ca(CH3COO)2 = Ca + O2 + H2 + C =>
Ca(CH3COO)2 = Ca + 2 O2 + 3 H2 + 4 C
Na2SO3 + BaCl2 = BaSO3 + NaCl =>
Na2SO3 + BaCl2 = BaSO3 + 2 NaCl
KMnO4 + H2SO4 + H2O2 = K2SO4 + H2MnO4 + O2 =>
2 KMnO4 + H2SO4 + H2O2 = K2SO4 + 2 H2MnO4 + O2
KBrO4 + NaCl + H2SO4 = Cl2 + KBr + Na2SO4 + H2O =>
KBrO4 + 8 NaCl + 4 H2SO4 = 4 Cl2 + KBr + 4 Na2SO4 + 4 H2O
K2Cr2O7 + Ba(OH)2 + CH3COOH = H2O + BaCrO4 + CH3COOK =>
K2Cr2O7 + 2 Ba(OH)2 + 2 CH3COOH = 3 H2O + 2 BaCrO4 + 2 CH3COOK
S(s) + HNO3(ac) = H2SO4(ac) + NO2(g) + H2O(l) =>
S(s) + 6 HNO3(ac) = H2SO4(ac) + 6 NO2(g) + 2 H2O(l)
K + MgCl2 = K2Cl + Mg =>
4 K + MgCl2 = 2 K2Cl + Mg
Na3PO3 + CaCl2 = Ca3(PO3)2 + NaCl =>
2 Na3PO3 + 3 CaCl2 = Ca3(PO3)2 + 6 NaCl
C2H5HOH + O2 = CO2 + H2O =>
4 C2H5HOH + 13 O2 = 8 CO2 + 14 H2O
FeCl3 + NH2OH + NaOH = NaCl + FeCl2 + H2O + N2O =>
4 FeCl3 + 2 NH2OH + 4 NaOH = 4 NaCl + 4 FeCl2 + 5 H2O + N2O
PbS + O23 = PbO + SO =>
23 PbS + 2 O23 = 23 PbO + 23 SO
ZnBr2 + CoPO4 = CoBr3 + Zn3(PO4)2 =>
3 ZnBr2 + 2 CoPO4 = 2 CoBr3 + Zn3(PO4)2
K + O2 = K2O =>
4 K + O2 = 2 K2O
MgO + H3PO4 = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3PO4 = Mg3(PO4)2 + 3 H2O
HClO2 + H2SO3 = HCl + H2SO4 =>
HClO2 + 2 H2SO3 = HCl + 2 H2SO4
Ag(NO3)2 = Ag + NO2 + O2 =>
Ag(NO3)2 = Ag + 2 NO2 + O2
K + P = KP =>
K + P = KP
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
KHC8H4O4 + Ca(OH)2 = Ca(KC8H4O4)2 + H2O =>
2 KHC8H4O4 + Ca(OH)2 = Ca(KC8H4O4)2 + 2 H2O
Cu(s) + S(s) = CuS(s) =>
Cu(s) + S(s) = CuS(s)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Fe + CdCl2 = FeCl2 + Cd =>
Fe + CdCl2 = FeCl2 + Cd
K(ClO3) = KCl + O =>
K(ClO3) = KCl + 3 O
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