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3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
Be + KOH = K2[BeO2] + H2 =>
Be + 2 KOH = K2[BeO2] + H2
W + Cl2 = WCl5 =>
2 W + 5 Cl2 = 2 WCl5
PbSO4 + NaC2H3O2 = Na2[Pb(C2H3O2)4] + Na2SO4 =>
PbSO4 + 4 NaC2H3O2 = Na2[Pb(C2H3O2)4] + Na2SO4
NaBr + Cl = NaCl + Br =>
NaBr + Cl = NaCl + Br
AlF3 + Li2S = Al2S3 + LiF =>
2 AlF3 + 3 Li2S = Al2S3 + 6 LiF
Ni + Cl = NiCl2 =>
Ni + 2 Cl = NiCl2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
(NH4)2SO4(aq) + Ca(OH)2(aq) = NH4OH(aq) + CaSO4(s) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = 2 NH4OH(aq) + CaSO4(s)
Zn(OH)2 + NH3 = Zn(NH3)4{+2} + OH{-} =>
Zn(OH)2 + 4 NH3 = Zn(NH3)4{+2} + 2 OH{-}
Sc + HBr = ScBr + H2 =>
2 Sc + 2 HBr = 2 ScBr + H2
K + MnCl2 = KCl + Mn =>
2 K + MnCl2 = 2 KCl + Mn
AgNO3 + H2SO4 = Ag2SO4 + H2(NO3)2 =>
2 AgNO3 + H2SO4 = Ag2SO4 + H2(NO3)2
C2H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Ag + KOH = Ag2O + H2O + K =>
2 Ag + 2 KOH = Ag2O + H2O + 2 K
C2H6O + HNO3 = C2H7O{+} + NO3{-} =>
C2H6O + HNO3 = C2H7O{+} + NO3{-}
Ba + N2 = BaN2 =>
Ba + N2 = BaN2
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
Fe2(SO4)3 + NH4OH = NH2OH + FeSO4 + H2SO4 =>
Fe2(SO4)3 + NH4OH = NH2OH + 2 FeSO4 + H2SO4
PbSO4(s) + HCl(aq) = PbCl2(s) + H2SO4(aq) =>
PbSO4(s) + 2 HCl(aq) = PbCl2(s) + H2SO4(aq)
NaCl{-} + Br2 = NaBr{-} + Cl2 =>
2 NaCl{-} + Br2 = 2 NaBr{-} + Cl2
AlF3 + Li2S = Al2S3 + LiF =>
2 AlF3 + 3 Li2S = Al2S3 + 6 LiF
Na + Cl = NaCl =>
Na + Cl = NaCl
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
Al(OH)3 + Fe = Fe(OH)2 + Al =>
2 Al(OH)3 + 3 Fe = 3 Fe(OH)2 + 2 Al
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
LiCl + Al = AlCl + Li =>
LiCl + Al = AlCl + Li
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H5CN + H2O + HCl = CH3COOH + NH4ClCH2 =>
C2H5CN + 2 H2O + HCl = CH3COOH + NH4ClCH2
CrCl3 + NH3 + H2O = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4Cl
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
H2S + HNO3 = H2S04 + NO + H2O =>
4 H2S + 2 HNO3 = H2S04 + 2 NO + 4 H2O
CH4 + Br + CCl4 = C2H3Cl2 + HBr =>
3 CH4 + 6 Br + CCl4 = 2 C2H3Cl2 + 6 HBr
AlF3 + Li2S = Al2S3 + LiF =>
2 AlF3 + 3 Li2S = Al2S3 + 6 LiF
C12H8COOH + O2 = CO2 + H2O =>
4 C12H8COOH + 57 O2 = 52 CO2 + 18 H2O
WF6 + H2O = WOF4 + HF =>
WF6 + H2O = WOF4 + 2 HF
Ca + Cu(SO4)2 = Ca(SO4) + Cu =>
2 Ca + Cu(SO4)2 = 2 Ca(SO4) + Cu
NaSO + BaCl = NaCl + BaSO =>
NaSO + BaCl = NaCl + BaSO
I2 + Na2SO3 + H2SO4 = NaIO3 + S + H2O =>
I2 + Na2SO3 + H2SO4 = 2 NaIO3 + 2 S + H2O
C3H6Br2 + KCN = C3H6BrCN + KBr =>
C3H6Br2 + KCN = C3H6BrCN + KBr
Br2 + H2O2 = HBrO =>
Br2 + H2O2 = 2 HBrO
KHCO3 + CH3COOH = CH3COOK + H2O + CO2 =>
KHCO3 + CH3COOH = CH3COOK + H2O + CO2
AlF3 + Li2S = Al2S3 + LiF =>
2 AlF3 + 3 Li2S = Al2S3 + 6 LiF
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