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4 K + BO2 = 2 K2O + B
Al + KOH = H2 + K3AlO3 =>
2 Al + 6 KOH = 3 H2 + 2 K3AlO3
Pb(NO3)2(aq) + NaI = PbI2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaI = PbI2 + 2 NaNO3
Al + AgOH = Al(OH)3 + Ag =>
Al + 3 AgOH = Al(OH)3 + 3 Ag
KMn(O)2 + HCl = KCl + (Cl)2 + Mn(Cl)2 + (H)2O =>
2 KMn(O)2 + 8 HCl = 2 KCl + (Cl)2 + 2 Mn(Cl)2 + 4(H)2O
Cr(OH)3 + NaOH + Cl2 = NaCrO4 + NaCl + H2O =>
Cr(OH)3 + 5 NaOH + 2 Cl2 = NaCrO4 + 4 NaCl + 4 H2O
ammonia + chlorine = hydrazine + ammoniumchloride =>
4 NH3 + Cl2 = N2H4 + 2 NH4Cl
AgNO3 + NaOH = AgO + NaNO3 + H =>
AgNO3 + NaOH = AgO + NaNO3 + H
HSiO3 + Ca(OH)2 = Ca(SiO3)2 + H2O =>
2 HSiO3 + Ca(OH)2 = Ca(SiO3)2 + 2 H2O
HNO3 + CaCO3 = Ca(NO3)2 + H2O + CO2 =>
2 HNO3 + CaCO3 = Ca(NO3)2 + H2O + CO2
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
Cl2 + Y2 + H2O = HYO3 + HCl =>
5 Cl2 + Y2 + 6 H2O = 2 HYO3 + 10 HCl
SO2(g) + Br2(l) + H2O(l) = Br{-}(aq) + H2SO4(aq) + H{+}(aq) =>
SO2(g) + Br2(l) + 2 H2O(l) = 2 Br{-}(aq) + H2SO4(aq) + 2 H{+}(aq)
FeCl2 + H2SO4 = Fe(SO4)3 + SO2 + HCl + H2O =>
FeCl2 + 5 H2SO4 = Fe(SO4)3 + 2 SO2 + 2 HCl + 4 H2O
Mn2CO3 + HNO2 = MnNO2 + H2CO3 =>
Mn2CO3 + 2 HNO2 = 2 MnNO2 + H2CO3
Sr(NO3)2 + Na2(CO3) = Sr(CO3) + Na(NO3) =>
Sr(NO3)2 + Na2(CO3) = Sr(CO3) + 2 Na(NO3)
CH3CCH + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CCH + K2Cr2O7 + 4 H2SO4 = 3 CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O
Cl2 + CF = CCl4 + F2 =>
4 Cl2 + 2 CF = 2 CCl4 + F2
C2H4 + TiO2 = H2O + CO2 + Ti =>
C2H4 + 3 TiO2 = 2 H2O + 2 CO2 + 3 Ti
C6H5OH + HCOOH = C13H10O2 + H2O =>
2 C6H5OH + HCOOH = C13H10O2 + 2 H2O
SnS + HBr + HNO3 = SnBr4 + S + NO + H2O =>
3 SnS + 12 HBr + 4 HNO3 = 3 SnBr4 + 3 S + 4 NO + 8 H2O
LiOH + Cr2(SO4)3 = Cr(OH)3 + Li2SO4 =>
6 LiOH + Cr2(SO4)3 = 2 Cr(OH)3 + 3 Li2SO4
Na2CO3(aq) + Cu(NO3)2(s) = NaNO3(aq) + CuCO3 =>
Na2CO3(aq) + Cu(NO3)2(s) = 2 NaNO3(aq) + CuCO3
Cr(OH)3 + HF = HOH + CrF3 =>
Cr(OH)3 + 3 HF = 3 HOH + CrF3
Al2O3 + MgCO3 = Al2(CO3)3 + MgO =>
Al2O3 + 3 MgCO3 = Al2(CO3)3 + 3 MgO
HS + BaCl2 = BaS2 + HCl =>
2 HS + BaCl2 = BaS2 + 2 HCl
CH + Br2 = CBr3 + HBr =>
CH + 2 Br2 = CBr3 + HBr
Ca + HNO2 = Ca(NO2)3 + H2 =>
2 Ca + 6 HNO2 = 2 Ca(NO2)3 + 3 H2
CuO + ZnO = Cu2ZnO3 =>
2 CuO + ZnO = Cu2ZnO3
N3 = N2 =>
2 N3 = 3 N2
C4H16 + O2 = CO2 + H2O =>
C4H16 + 8 O2 = 4 CO2 + 8 H2O
FeCl2 + KMnO4 = KCl + FeCl3 + MnCl2 + Fe2O3 =>
15 FeCl2 + 3 KMnO4 = 3 KCl + 7 FeCl3 + 3 MnCl2 + 4 Fe2O3
HgS + O = Hg + SO =>
HgS + O = Hg + SO
Na2S2O3 = Na2SO4 + Na2S5 =>
4 Na2S2O3 = 3 Na2SO4 + Na2S5
Pb(OH)2(cr) = PbO(cr) + H2O(g) =>
Pb(OH)2(cr) = PbO(cr) + H2O(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H5NO2 + H2 = C6H6 + NH3 + H2O =>
C6H5NO2 + 4 H2 = C6H6 + NH3 + 2 H2O
Cu(NO3)2 + HCl = Cu(Cl)2 + H(NO3) =>
Cu(NO3)2 + 2 HCl = Cu(Cl)2 + 2 H(NO3)
Al2O3 + O2 = AlO2 =>
2 Al2O3 + O2 = 4 AlO2
P4O10 + HCl = P4H + O10Cl =>
P4O10 + HCl = P4H + O10Cl
KNO3 + Zn + H2SO4 = ZnSO4 + (NH4)2SO4 + K2SO4 + H2O =>
2 KNO3 + 8 Zn + 10 H2SO4 = 8 ZnSO4 + (NH4)2SO4 + K2SO4 + 6 H2O
NH4Cl + KHCO3 = NH4HCO3 + KCl =>
NH4Cl + KHCO3 = NH4HCO3 + KCl
KI(aq) + LiCl(aq) = KCl(aq) + LiI(aq) =>
KI(aq) + LiCl(aq) = KCl(aq) + LiI(aq)
Na + CuS = Na2S + Cu =>
2 Na + CuS = Na2S + Cu
NO3 + H2O = HNO3 + OH =>
NO3 + H2O = HNO3 + OH
Na2S + Ca(ClO)2 + H2O = S + NaOH + CaCl2 =>
2 Na2S + Ca(ClO)2 + 2 H2O = 2 S + 4 NaOH + CaCl2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Cl(g) + NaBr(s) = NaCl(s) + Br(g) =>
Cl(g) + NaBr(s) = NaCl(s) + Br(g)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
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