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Zn + 2 HCl = ZnCl2 + H2
NaNO3 + H2SO4 + Cu = Na2SO4 + Cu(NO3)2 + NO2 + H2O =>
4 NaNO3 + 2 H2SO4 + Cu = 2 Na2SO4 + Cu(NO3)2 + 2 NO2 + 2 H2O
Al2O3(s) + HClO4(aq) = Al(ClO4)3(aq) + H2O(l) =>
Al2O3(s) + 6 HClO4(aq) = 2 Al(ClO4)3(aq) + 3 H2O(l)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cl2 + Ca(OH)2 = CaCl2 + Ca(ClO4)2 + H2O =>
8 Cl2 + 8 Ca(OH)2 = 7 CaCl2 + Ca(ClO4)2 + 8 H2O
CH4(g) + O2(g) = C2H2(g) + H2O(g) =>
4 CH4(g) + 3 O2(g) = 2 C2H2(g) + 6 H2O(g)
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
C4H4NH + FeCl3 = (C4H2NH)4Cl + HCl + FeCl2 =>
4 C4H4NH + 9 FeCl3 = (C4H2NH)4Cl + 8 HCl + 9 FeCl2
H2SO4 + HI = H2S + I2 + water =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
NaO + H2O = NaHO + O2 =>
4 NaO + 2 H2O = 4 NaHO + O2
Na2(CO3) + Pb(NO3)2 = Na(NO3) + Pb2(CO3)2 =>
2 Na2(CO3) + 2 Pb(NO3)2 = 4 Na(NO3) + Pb2(CO3)2
CaCO3 + PbCl2 = PbCO3 + CaCl2 =>
CaCO3 + PbCl2 = PbCO3 + CaCl2
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Pb(NO3)2(s) + NaCH3COO(aq) = Pb(CH3COO)2(aq) + NaNO3(aq) =>
Pb(NO3)2(s) + 2 NaCH3COO(aq) = Pb(CH3COO)2(aq) + 2 NaNO3(aq)
X + H2O = XOH2 =>
X + H2O = XOH2
AlCl2 + NaCO3 = NaCl2 + AlCO3 =>
AlCl2 + NaCO3 = NaCl2 + AlCO3
PtCl4(s) = Pt(s) + Cl2(g) =>
PtCl4(s) = Pt(s) + 2 Cl2(g)
Zn + HNO3 = N2O + Zn(NO3)2 + H2O =>
4 Zn + 10 HNO3 = N2O + 4 Zn(NO3)2 + 5 H2O
K3[Cr(OH)6] + NH4Cl = KCl + CrCl3 + NH3 + H2O =>
K3[Cr(OH)6] + 6 NH4Cl = 3 KCl + CrCl3 + 6 NH3 + 6 H2O
KMnO4 + C5H8O2 = Mn(C5H7O2)3 + H2O + CO2 + KOH =>
6 KMnO4 + 19 C5H8O2 = 6 Mn(C5H7O2)3 + 10 H2O + 5 CO2 + 6 KOH
Na2CO3(aq) + HCl(aq) = Na2Cl2(aq) + H2CO3(s) =>
Na2CO3(aq) + 2 HCl(aq) = Na2Cl2(aq) + H2CO3(s)
CH3CH2NO2 + H2 = CH3CH2NH2 + O2 =>
CH3CH2NO2 + H2 = CH3CH2NH2 + O2
KClO3 + O2 = KClO4 =>
2 KClO3 + O2 = 2 KClO4
CaCl2(aq) + CoSO4(aq) = CoCl2(aq) + CaSO4(s) =>
CaCl2(aq) + CoSO4(aq) = CoCl2(aq) + CaSO4(s)
C17H33COONa + HCl = C17H33COOH + NaCl =>
C17H33COONa + HCl = C17H33COOH + NaCl
Ag2(SO4) + NaI = AgI + Na2(SO4) =>
Ag2(SO4) + 2 NaI = 2 AgI + Na2(SO4)
FeO + Ca(H2PO4)2 = FePO4 + CaO + H + O =>
2 FeO + Ca(H2PO4)2 = 2 FePO4 + CaO + 4 H + O
Ni{+4} + Co = Ni + Co{+3} =>
3 Ni{+4} + 4 Co = 3 Ni + 4 Co{+3}
Mg3N2(s) + HCl(aq) = MgCl2(aq) + NH4Cl(aq) =>
Mg3N2(s) + 8 HCl(aq) = 3 MgCl2(aq) + 2 NH4Cl(aq)
K2S + CuSO4 = K2SO4 + CuSO3 =>
K2S + 4 CuSO4 = K2SO4 + 4 CuSO3
ZnSO4 + Ba = Zn + BaSO4 =>
ZnSO4 + Ba = Zn + BaSO4
Na2SO4 + Ba(OH)2 = BaSO4 + NaOH =>
Na2SO4 + Ba(OH)2 = BaSO4 + 2 NaOH
Al(OH)3 + Na3PO4 = NaOH + Al(PO4) =>
Al(OH)3 + Na3PO4 = 3 NaOH + Al(PO4)
KOH + CuSO4 + H2O = KOSO4 + CuO + H2 =>
2 KOH + 2 CuSO4 + 2 H2O = 2 KOSO4 + 2 CuO + 3 H2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Ca2P2 + HCl = CaCl2 + P2H4 =>
Ca2P2 + 4 HCl = 2 CaCl2 + P2H4
O2 + C7H10N = CO2 + NO2 + H2O =>
21 O2 + 2 C7H10N = 14 CO2 + 2 NO2 + 10 H2O
Hg(NO3)2 + Na2S2O3 + H2O = HgS + Na2SO4 + HNO3 =>
Hg(NO3)2 + Na2S2O3 + H2O = HgS + Na2SO4 + 2 HNO3
Al2 + O3 = Al2O3 =>
Al2 + O3 = Al2O3
Al2(SO4)3 + Cu(OH)2 = Al(OH)3 + CuSO4 =>
Al2(SO4)3 + 3 Cu(OH)2 = 2 Al(OH)3 + 3 CuSO4
CaS + Na2SO3 = CaSO3 + Na2S =>
CaS + Na2SO3 = CaSO3 + Na2S
Ag + O2(g) = Ag2O =>
4 Ag + O2(g) = 2 Ag2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NH4OH + CuSO4 = NH4SO4 + Cu(OH) =>
NH4OH + CuSO4 = NH4SO4 + Cu(OH)
Cl2 + MgI = I2 + Cl2Mg =>
2 Cl2 + 2 MgI = I2 + 2 Cl2Mg
MnO4{-} + C2H2 = C2O4{2-} + MnO2 + OH{-} + H2O =>
8 MnO4{-} + 3 C2H2 = 3 C2O4{2-} + 8 MnO2 + 2 OH{-} + 2 H2O
Mg + CuSO{+4} = Cu + MgSO{+4} =>
Mg + CuSO{+4} = Cu + MgSO{+4}
F2 + NaI = Na2F2 + I =>
F2 + 2 NaI = Na2F2 + 2 I
Li + N2O = Li3N + O2 =>
12 Li + 2 N2O = 4 Li3N + O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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