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4 H3PO4 + 20 HNO3 = P4 + 20 NO3 + 16 H2O
BaO + Zn = ZnO + Ba =>
BaO + Zn = ZnO + Ba
Na2HPO4 + Ca(OH)2 = Ca3(PO4)2 + NaOH + H2O =>
2 Na2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 4 NaOH + 2 H2O
NH4NO3(aq) + Ba(OH)2(aq) = NH4OH + Ba(NO3)2 =>
2 NH4NO3(aq) + Ba(OH)2(aq) = 2 NH4OH + Ba(NO3)2
K + O2 = K2O =>
4 K + O2 = 2 K2O
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu
NaHCO3 + CuCl2 = CO2 + CuCO3 + H2O + NaCl =>
2 NaHCO3 + CuCl2 = CO2 + CuCO3 + H2O + 2 NaCl
K + CH3COO = KCH3COO =>
K + CH3COO = KCH3COO
FeCO3 + H2SO4 = FeSO4 + H2CO3 =>
FeCO3 + H2SO4 = FeSO4 + H2CO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
As + H2 = AsH3 =>
2 As + 3 H2 = 2 AsH3
Fe + SO2 = FeS + O2 =>
Fe + SO2 = FeS + O2
C6H5COOH + NH3 = C6H5COONH4 =>
C6H5COOH + NH3 = C6H5COONH4
Ag(s) + HNO3(aq) = AgNO3(aq) + H2(g) =>
2 Ag(s) + 2 HNO3(aq) = 2 AgNO3(aq) + H2(g)
Pb(OH)4 + KOH = K2[Pb(OH)6] =>
Pb(OH)4 + 2 KOH = K2[Pb(OH)6]
Cu(OH2) = Cu + H2O =>
Cu(OH2) = Cu + H2O
NiS(s) + HNO3(aq) = Ni(NO3)2 + S + NO + H2O =>
3 NiS(s) + 8 HNO3(aq) = 3 Ni(NO3)2 + 3 S + 2 NO + 4 H2O
C2H2 + NO = CO2 + H2O + N =>
C2H2 + 5 NO = 2 CO2 + H2O + 5 N
SnCl2 + HCl = H[SnCl3] =>
SnCl2 + HCl = H[SnCl3]
Na2S + FeCl3 + H2O = Na2SO4 + FeCl2 + HCl =>
Na2S + 8 FeCl3 + 4 H2O = Na2SO4 + 8 FeCl2 + 8 HCl
C57H104O6 + C6H10 = C57H110O6 + C6H6 =>
2 C57H104O6 + 3 C6H10 = 2 C57H110O6 + 3 C6H6
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
Na2S2O3 + I3{-} = Na{+} + I{-} + S4O6{-2} =>
2 Na2S2O3 + I3{-} = 4 Na{+} + 3 I{-} + S4O6{-2}
Ni + HNO3 = Ni(NO3)2 + H2O + N2O =>
4 Ni + 10 HNO3 = 4 Ni(NO3)2 + 5 H2O + N2O
HCOOH = CH4 + CO2 + H2O =>
4 HCOOH = CH4 + 3 CO2 + 2 H2O
C6H5OH + H2SO4 = (C6H4OH)2SO2 + H2O =>
2 C6H5OH + H2SO4 = (C6H4OH)2SO2 + 2 H2O
K + H2SO4 = K2SO4 + H2 =>
2 K + H2SO4 = K2SO4 + H2
CuSO4 + Na2CO3 + H2O = Cu2CO3(OH)2 + Na2SO4 + CO2 =>
2 CuSO4 + 2 Na2CO3 + H2O = Cu2CO3(OH)2 + 2 Na2SO4 + CO2
Au + K(CN) + O2 + H2O = KAu(CN)3 + K(OH) =>
2 Au + 6 K(CN) + O2 + 2 H2O = 2 KAu(CN)3 + 4 K(OH)
Ba{2+} + SO4{2-} = BaSO4 =>
Ba{2+} + SO4{2-} = BaSO4
K3P + O2 = K2O + P =>
4 K3P + 3 O2 = 6 K2O + 4 P
H3PO4(aq) + KOH(s) = H2O(l) + K3PO4 =>
H3PO4(aq) + 3 KOH(s) = 3 H2O(l) + K3PO4
Cu + HNO3 + HCl = CuCl2 + NO2 + H2O =>
Cu + 2 HNO3 + 2 HCl = CuCl2 + 2 NO2 + 2 H2O
NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + H2O =>
2 NaOH + (NH4)2SO4*FeSO4*6H2O = Fe(OH)2 + Na2SO4 + (NH4)2SO4 + 6 H2O
Pb(NO3)2 + NaC2H3O2 = Pb(C2H3O2)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaC2H3O2 = Pb(C2H3O2)2 + 2 Na(NO3)
CoCl2H12O6 + NH4Cl + NH4OH + H2O2 = CoN6H18Cl3 + H2O =>
2 CoCl2H12O6 + 2 NH4Cl + 10 NH4OH + H2O2 = 2 CoN6H18Cl3 + 24 H2O
ZnCl2 + H2O + Na2CO3 = ZnCO3*Zn(OH)2 + NaCl + NaHCO3 =>
2 ZnCl2 + 2 H2O + 3 Na2CO3 = ZnCO3*Zn(OH)2 + 4 NaCl + 2 NaHCO3
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
C2H5OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 2 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
NaCl + MgO2 + H2SO4 = NaHSO4 + MgSO4 + H2O + Cl =>
2 NaCl + MgO2 + 3 H2SO4 = 2 NaHSO4 + MgSO4 + 2 H2O + 2 Cl
HClO4 + K2SO3 = KClO4 + H2O + SO2 =>
2 HClO4 + K2SO3 = 2 KClO4 + H2O + SO2
Cl + F2 = ClF3 =>
2 Cl + 3 F2 = 2 ClF3
CH2CH2 + HCl = CH2ClCH2Cl + H2 =>
CH2CH2 + 2 HCl = CH2ClCH2Cl + H2
HF + H2O = H3O + F2 =>
2 HF + 2 H2O = 2 H3O + F2
Bi + Cl2 = BiCl3 =>
2 Bi + 3 Cl2 = 2 BiCl3
Al = Al{3+} + {-} =>
Al = Al{3+} + 3e
Ag + S2O3 = Ag(S2O3) =>
Ag + S2O3 = Ag(S2O3)
KOH + H2O = KO2H3 =>
KOH + H2O = KO2H3
K2CO3 + H3PO4 = KH2PO4 + CO2 + H2O =>
K2CO3 + 2 H3PO4 = 2 KH2PO4 + CO2 + H2O
P4 + Cu = Cu3P2 =>
P4 + 6 Cu = 2 Cu3P2
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