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3 Hf + 4 HNO3 + 18 HF = 3 H2HfF6 + 4 NO + 8 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C50H10O7NS + O2 = CO2 + H2O + SO2 + N2 =>
2 C50H10O7NS + 100 O2 = 100 CO2 + 10 H2O + 2 SO2 + N2
BaSO4 = BaO + SO3 =>
BaSO4 = BaO + SO3
Ca = Ca{2+} + e =>
Ca = Ca{2+} + 2e
CH4S = C + H + S =>
CH4S = C + 4 H + S
CH3COOK + NH3 = CH3COOH + KNH2 =>
CH3COOK + NH3 = CH3COOH + KNH2
CH3COOOH + O2 = CO2 + H2O =>
2 CH3COOOH + 3 O2 = 4 CO2 + 4 H2O
Be(s) + O2(g) = BeO =>
2 Be(s) + O2(g) = 2 BeO
K2SO3 + CaCl2 = KCl + Ca(SO3) =>
K2SO3 + CaCl2 = 2 KCl + Ca(SO3)
NaH + H2SO4 = Na(SO4) + HH =>
2 NaH + 2 H2SO4 = 2 Na(SO4) + 3 HH
KMnO4 + H2SO4 + CH3CHO = K2SO4 + MnSO4 + CH3COOH + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3CHO = K2SO4 + 2 MnSO4 + 5 CH3COOH + 3 H2O
AgNO3(aq) + Cu(NO3)2(aq) = Ag(NO3)2 + CuNO3 =>
AgNO3(aq) + Cu(NO3)2(aq) = Ag(NO3)2 + CuNO3
MnO2 + KCl + H2SO4 = K2SO4 + MnCl2 + H2O + Cl2 =>
MnO2 + 4 KCl + 2 H2SO4 = 2 K2SO4 + MnCl2 + 2 H2O + Cl2
NaHCO3 + NH3 = Na3N + CO2 + H2O =>
3 NaHCO3 + NH3 = Na3N + 3 CO2 + 3 H2O
C51H73O13N + H2O = CH4 + CO2 + NH3 =>
C51H73O13N + 27 H2O = 31 CH4 + 20 CO2 + NH3
Cl2 + HBr2 = HCl2 + Br2 =>
Cl2 + HBr2 = HCl2 + Br2
H2C2O4 + H2PbO3 = PbO + H2O + CO2 =>
H2C2O4 + H2PbO3 = PbO + 2 H2O + 2 CO2
ClO2 + Sn = Sn{2+} + ClO2{-} =>
2 ClO2 + Sn = Sn{2+} + 2 ClO2{-}
Ba + O2 = BaO2 =>
Ba + O2 = BaO2
Ag + HS + O2 = Ag2S + H2O =>
8 Ag + 4 HS + O2 = 4 Ag2S + 2 H2O
Na2[Pb(OH)6] + Cr2(SO4)3 + NaOH = Na2CrO4 + Na2SO4 + Na4[Pb(OH)4] + H2O =>
3 Na2[Pb(OH)6] + 2 Cr2(SO4)3 + 26 NaOH = 4 Na2CrO4 + 6 Na2SO4 + 3 Na4[Pb(OH)4] + 16 H2O
Ni(NO3)2*6H2O + (C6H5)3P = Ni((C6H5)3P)2(NO3)2 + H2O =>
Ni(NO3)2*6H2O + 2(C6H5)3P = Ni((C6H5)3P)2(NO3)2 + 6 H2O
P4 + O2 = P2O16 =>
P4 + 16 O2 = 2 P2O16
Li + AlS = Li2S + Al =>
2 Li + AlS = Li2S + Al
Ca(s) + O2(g) = CaO =>
2 Ca(s) + O2(g) = 2 CaO
ZnO + KOH + H2O = K2[Zn(OH)4] =>
ZnO + 2 KOH + H2O = K2[Zn(OH)4]
K2S2O8 + Cr2(SO4)3 + H2O = KHCrO4 + H2SO4 + K2SO4 =>
3 K2S2O8 + Cr2(SO4)3 + 8 H2O = 2 KHCrO4 + 7 H2SO4 + 2 K2SO4
Cr(OH)3 + IO3 + OH{-} = I{-} + CrO4{2-} + H2O =>
7 Cr(OH)3 + 3 IO3 + 17 OH{-} = 3 I{-} + 7 CrO4{2-} + 19 H2O
B + NaOH + H2O = NaB(OH)4 + H2 =>
2 B + 2 NaOH + 6 H2O = 2 NaB(OH)4 + 3 H2
Na[B(OH)4] + H2O = H[B(OH)4] + NaOH =>
Na[B(OH)4] + H2O = H[B(OH)4] + NaOH
Na2SO3 + HCI = H2(SO3) + NaCI =>
Na2SO3 + 2 HCI = H2(SO3) + 2 NaCI
CaO + NbO2 = Ca2Nb2O6 =>
2 CaO + 2 NbO2 = Ca2Nb2O6
Co{2} + (NH4)3PO4 = Co3(PO4)2 + NH4{+} =>
3 Co{2} + 2(NH4)3PO4 = Co3(PO4)2 + 6 NH4{+}
CaCO3 + HCl = CO2 + CaCl2 + H2O(aq) =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O(aq)
Al(s) + HI(aq) = AlI3(aq) + H2 =>
2 Al(s) + 6 HI(aq) = 2 AlI3(aq) + 3 H2
SO3 + Zn = SO2 + ZnO =>
SO3 + Zn = SO2 + ZnO
Br2 + O2 = Br2O3 =>
2 Br2 + 3 O2 = 2 Br2O3
Ca(s) + O2(g) = CaO2 =>
Ca(s) + O2(g) = CaO2
CrCl2 + Li3PO4 = LiCl + Cr3(PO4)2 =>
3 CrCl2 + 2 Li3PO4 = 6 LiCl + Cr3(PO4)2
K2CO3 + H2SO4 = K2SO4H2O + CO2 =>
K2CO3 + H2SO4 = K2SO4H2O + CO2
HCl + KMnO4 = Cl2 + KCl + MnCl4 + H2O =>
16 HCl + 2 KMnO4 = 3 Cl2 + 2 KCl + 2 MnCl4 + 8 H2O
Ag + HClO3 = AgCl + AgClO3 + H2O2 =>
6 Ag + 6 HClO3 = 2 AgCl + 4 AgClO3 + 3 H2O2
CuSO4*5H2O + O2 = CuO + SO4 + H2O =>
2 CuSO4*5H2O + O2 = 2 CuO + 2 SO4 + 10 H2O
CH3OH + K2CrO4 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + 4 K2CrO4 + 10 H2SO4 = 3 HCOOH + 2 Cr2(SO4)3 + 4 K2SO4 + 13 H2O
C2H5OOH + NaOH = C2H5OONa + HOH =>
C2H5OOH + NaOH = C2H5OONa + HOH
N2 + Ba = N2Ba =>
N2 + Ba = N2Ba
HNO3 + bariumhydroxide = bariumnitrate + water =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
CrO3 + MgO = Mg2CrO5 =>
CrO3 + 2 MgO = Mg2CrO5
FeO + MnO = Fe2O3 + Mn =>
2 FeO + MnO = Fe2O3 + Mn
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