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4 H2O + 3 Fe = 4 H2 + Fe3O4
CrO4 + H = Cr2O7 + H2O =>
2 CrO4 + 2 H = Cr2O7 + H2O
Pb(NO3)2(s) + K2CO3(s) = PbCO3(s) + KNO3(s) =>
Pb(NO3)2(s) + K2CO3(s) = PbCO3(s) + 2 KNO3(s)
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
CHCH + CH3CH2ONa = CHCNa + CH3CH2OH =>
CHCH + CH3CH2ONa = CHCNa + CH3CH2OH
CrO4 + H = Cr2O7 + OH =>
2 CrO4 + H = Cr2O7 + OH
MnSO4 + K2S2O8 + H2O = HMnO5 + K2SO4 + H2SO4 =>
2 MnSO4 + 7 K2S2O8 + 10 H2O = 2 HMnO5 + 7 K2SO4 + 9 H2SO4
CHCH + CH3CH2OH = CHC + CH3CH2OH2 =>
CHCH + CH3CH2OH = CHC + CH3CH2OH2
CHCH + CH3CH2OH = CHCH2 + CH3CH2O =>
CHCH + CH3CH2OH = CHCH2 + CH3CH2O
HBr(aq) + Zn(OH)2(s) = ZnBr2(aq) + H2O(l) =>
2 HBr(aq) + Zn(OH)2(s) = ZnBr2(aq) + 2 H2O(l)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
N2H4(l) = NH3(g) + N2(g) =>
3 N2H4(l) = 4 NH3(g) + N2(g)
HCl(aq) + O2(g) = H2O(l) + Cl2(g) =>
4 HCl(aq) + O2(g) = 2 H2O(l) + 2 Cl2(g)
H3PO4 + Al2O3 = Al(H2PO4)3 + H2O =>
6 H3PO4 + Al2O3 = 2 Al(H2PO4)3 + 3 H2O
(NH4)2CO3 + CaCl2 = (NH4)Cl + CaCO3 =>
(NH4)2CO3 + CaCl2 = 2(NH4)Cl + CaCO3
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
Zn + MgCl2 = ZnCl2 + Mg =>
Zn + MgCl2 = ZnCl2 + Mg
H3PO4(aq) + NH4OH(aq) = (NH4)3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NH4OH(aq) = (NH4)3PO4(aq) + 3 H2O(l)
Zn + MgCl2 = ZnCl2 + Mg2 =>
2 Zn + 2 MgCl2 = 2 ZnCl2 + Mg2
Co2O3 + N2O5 = Co(NO3)3 =>
Co2O3 + 3 N2O5 = 2 Co(NO3)3
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Cu2S + HCl = H2S + CuCl =>
Cu2S + 2 HCl = H2S + 2 CuCl
F2 + CaBr2 = FBr + Ca =>
F2 + CaBr2 = 2 FBr + Ca
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CHCH + CH3CH2OH = CHC + CH3CH2OH2 =>
CHCH + CH3CH2OH = CHC + CH3CH2OH2
AlCl3 + AgNo3 = Al(No3)3 + AgCl =>
AlCl3 + 3 AgNo3 = Al(No3)3 + 3 AgCl
CHCH + CH3CH2ONa = CHCNa + CH3CH2OH =>
CHCH + CH3CH2ONa = CHCNa + CH3CH2OH
KCl + NaNO3 = KNO3 + NaCl =>
KCl + NaNO3 = KNO3 + NaCl
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
C4H8(OH)2 + H2O2 = C4H6O2 + H2O =>
C4H8(OH)2 + 2 H2O2 = C4H6O2 + 4 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
Li + O = LiO =>
Li + O = LiO
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
HCl + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl + CaCO3 = CO2 + H2O + CaCl2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
H3PO4 + KOH = H2O + K3PO4 =>
H3PO4 + 3 KOH = 3 H2O + K3PO4
H2 + F2 = HF =>
H2 + F2 = 2 HF
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mn{2+} + CO3{2-} + H2O2 = MnO2 + CO2 + H2O =>
Mn{2+} + CO3{2-} + H2O2 = MnO2 + CO2 + H2O
NH3 + S2Cl2 = S8 + NH4Cl + S4N4 =>
16 NH3 + 6 S2Cl2 = S8 + 12 NH4Cl + S4N4
(NH4)2CO3 + NaCl = NH4Cl + Na2CO3 =>
(NH4)2CO3 + 2 NaCl = 2 NH4Cl + Na2CO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu + AGNO3 = Cu(NO3)2 + AG =>
Cu + 2 AGNO3 = Cu(NO3)2 + 2 AG
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