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4 Fe + 3 O2 = 2 Fe2O3
O2(g) + C17H36(l) = CO2(g) + H2O(g) =>
26 O2(g) + C17H36(l) = 17 CO2(g) + 18 H2O(g)
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Co(OH)3(s) + HNO3(aq) = Co(NO3)3(aq) + H2O(l) =>
Co(OH)3(s) + 3 HNO3(aq) = Co(NO3)3(aq) + 3 H2O(l)
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HNo3 + Zn(OH)2 = Zn(OH)(No3) + H2O =>
HNo3 + Zn(OH)2 = Zn(OH)(No3) + H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
HCl + AgNO3 = HNO3 + AgCl(s) =>
HCl + AgNO3 = HNO3 + AgCl(s)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al2 + Ca3 = Al2Ca3 =>
Al2 + Ca3 = Al2Ca3
(NH4) + PO4 + Mg(ClO3)2 = Mg(PO4)2 + NH4ClO3 =>
2(NH4) + 2 PO4 + Mg(ClO3)2 = Mg(PO4)2 + 2 NH4ClO3
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
KNO3 + C12H22O11 = CO2 + H2O + KNO2 =>
24 KNO3 + C12H22O11 = 12 CO2 + 11 H2O + 24 KNO2
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
Fe + HBr = FeBr3 + H2* =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2*
Mg + Y2 = MgY =>
2 Mg + Y2 = 2 MgY
Ca(NO2)2 + HNO3 = Ca(NO3)2 + H2O + N2O3 =>
Ca(NO2)2 + 2 HNO3 = Ca(NO3)2 + H2O + N2O3
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
PbSO4 + NaOH = Na2SO4 + PbO + H2O =>
PbSO4 + 2 NaOH = Na2SO4 + PbO + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
FeOK2CO3 = FeCO3K2O =>
FeOK2CO3 = FeCO3K2O
Cu(NO3)3 + H2SO4 = CuSO4 + H2(NO3)3 =>
Cu(NO3)3 + H2SO4 = CuSO4 + H2(NO3)3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na + CrO4 = Na2CrO4 =>
2 Na + CrO4 = Na2CrO4
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Hg2O = Hg + O2 =>
2 Hg2O = 4 Hg + O2
Pd + O2 = Pd2O4 =>
2 Pd + 2 O2 = Pd2O4
P + Cl2 + H2O = H3PO3 + HCl =>
2 P + 3 Cl2 + 6 H2O = 2 H3PO3 + 6 HCl
FeOH2 + H2O2 = FeO2 + H2O =>
FeOH2 + 2 H2O2 = FeO2 + 3 H2O
H{+} + H2BO3{-} = H3BO3 =>
H{+} + H2BO3{-} = H3BO3
CuCl2 + KOH = CuO + KCl + H2O =>
CuCl2 + 2 KOH = CuO + 2 KCl + H2O
KCN + H2O = HCN + KOH =>
KCN + H2O = HCN + KOH
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + NaNo3(aq) =>
Zn(No3)2(aq) + Na2S(aq) = ZnS(s) + 2 NaNo3(aq)
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
PbS + PbO = Pb + SO2 =>
PbS + 2 PbO = 3 Pb + SO2
NaHSO4 + NaOH = Na2SO4 + H2O =>
NaHSO4 + NaOH = Na2SO4 + H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
SO3 + BaOH2 = BaSO4 + H2 =>
SO3 + BaOH2 = BaSO4 + H2
N2 + BaO = O2 + Ba3N2 =>
2 N2 + 6 BaO = 3 O2 + 2 Ba3N2
H3PO4 + H2 = P + H2O =>
2 H3PO4 + 5 H2 = 2 P + 8 H2O
Zn + (HNO3) = Zn(HNO3) =>
Zn + (HNO3) = Zn(HNO3)
CO3{2-} + H{+} + SO4{2-} = CO5 + SO2 + H2O =>
CO3{2-} + 8 H{+} + 3 SO4{2-} = CO5 + 3 SO2 + 4 H2O
C6H8O7 + H2O = HC6H8O7 + OH =>
C6H8O7 + H2O = HC6H8O7 + OH
AgNO3(aq) + KCl(aq) = AgCl(s) + KNO3(aq) =>
AgNO3(aq) + KCl(aq) = AgCl(s) + KNO3(aq)
(NH4)2S + MgO = (NH4)2O + MgS =>
(NH4)2S + MgO = (NH4)2O + MgS
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