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2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Cd(NO3)2(aq) + Na3PO4(aq) = Cd(PO4)2(s) + Na3NO3(aq) =>
Cd(NO3)2(aq) + 2 Na3PO4(aq) = Cd(PO4)2(s) + 2 Na3NO3(aq)
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Fe(NO3)3(aq) + Na3PO4(aq) = Fe(PO4)3(s) + Na3NO3(aq) =>
Fe(NO3)3(aq) + 3 Na3PO4(aq) = Fe(PO4)3(s) + 3 Na3NO3(aq)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ba(OH)2 + HBr = BaBr2 + H2O =>
Ba(OH)2 + 2 HBr = BaBr2 + 2 H2O
C4H8O + Ag2O = C4H8O2 + Ag =>
C4H8O + Ag2O = C4H8O2 + 2 Ag
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
KCLO3 = KCL + KCLO4 =>
4 KCLO3 = KCL + 3 KCLO4
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H8O + Ag2O = C4H8O2 + Ag =>
C4H8O + Ag2O = C4H8O2 + 2 Ag
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
K + S = KS =>
K + S = KS
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Pb(NO3)2(aq) + HCl(aq) = Pb(Cl)2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HCl(aq) = Pb(Cl)2(s) + 2 HNO3(aq)
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
B2O3 + C + Cl2 = BCl3 + CO =>
B2O3 + 3 C + 3 Cl2 = 2 BCl3 + 3 CO
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Pb(NO3)2(aq) + H2SO4(aq) = Pb(SO4)2(s) + H2NO3(aq) =>
Pb(NO3)2(aq) + 2 H2SO4(aq) = Pb(SO4)2(s) + 2 H2NO3(aq)
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
Pb(NO3)2 + K2Cr2O7 = KNO3 + PbCr2O7 =>
Pb(NO3)2 + K2Cr2O7 = 2 KNO3 + PbCr2O7
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Cu(NO3)2(aq) + NaI(aq) = Cu(I)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaI(aq) = Cu(I)2(s) + 2 NaNO3(aq)
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Pb(NO3)2(aq) + NaOH(aq) = Pb(OH)2(s) + NaNO3 =>
Pb(NO3)2(aq) + 2 NaOH(aq) = Pb(OH)2(s) + 2 NaNO3
Cr(NO3)3 = Cr2O3 + NO2 + O2 =>
4 Cr(NO3)3 = 2 Cr2O3 + 12 NO2 + 3 O2
Na + KNO3 = K20 + Na2O + N2 =>
120 Na + 20 KNO3 = K20 + 60 Na2O + 10 N2
KCO3 + HCl = KCl2 + H2O + CO2 =>
KCO3 + 2 HCl = KCl2 + H2O + CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Pb(NO3)2(aq) + NH4OH(aq) = Pb(OH)2(s) + NH4NO3(aq) =>
Pb(NO3)2(aq) + 2 NH4OH(aq) = Pb(OH)2(s) + 2 NH4NO3(aq)
Al(OH)3 + CH3CoOH = Al(CH3CoO)3 + H2O =>
Al(OH)3 + 3 CH3CoOH = Al(CH3CoO)3 + 3 H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
NaBr + Ca(PO4)2 = CaBr2 + NaPO4 =>
2 NaBr + Ca(PO4)2 = CaBr2 + 2 NaPO4
CuO + H3PO4 = Cu3(PO4)2 + H2O =>
3 CuO + 2 H3PO4 = Cu3(PO4)2 + 3 H2O
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