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4 P + 10 O = P4O10
CuO + Cu = Cu2O = CuO =>
CuO + Cu = Cu2O
Al2(CO3)3 + HCl = AlCl3 + H2CO3 =>
Al2(CO3)3 + 6 HCl = 2 AlCl3 + 3 H2CO3
N2H4(g) + N2O4(g) = N2(g) + H2O(g) =>
2 N2H4(g) + N2O4(g) = 3 N2(g) + 4 H2O(g)
AlS + CaOH = AlOH + CaS =>
AlS + CaOH = AlOH + CaS
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Mg(HCO3)2 + Ca(OH)2 = MgCO3 + CaCO3 + H2O =>
Mg(HCO3)2 + Ca(OH)2 = MgCO3 + CaCO3 + 2 H2O
C8H18 + NO = CO2 + N2 + H2O =>
2 C8H18 + 50 NO = 16 CO2 + 25 N2 + 18 H2O
C9H11NO2 + O2 = CO2 + H2O + NO =>
4 C9H11NO2 + 45 O2 = 36 CO2 + 22 H2O + 4 NO
NH3 + NO3 = NO + H2O =>
4 NH3 + 5 NO3 = 9 NO + 6 H2O
Cu + KNO3 + HCl = Cu(NO3)2 + NO + KCl + H2O =>
3 Cu + 8 KNO3 + 8 HCl = 3 Cu(NO3)2 + 2 NO + 8 KCl + 4 H2O
Fe + Ag(C2H3O2) = Fe(C2H3O2)2 + Ag =>
Fe + 2 Ag(C2H3O2) = Fe(C2H3O2)2 + 2 Ag
Ni + MgCl2 = NiCl2 + Mg =>
Ni + MgCl2 = NiCl2 + Mg
K3Po4 + CaCl2 = Ca3(Po4)2 + KCl =>
2 K3Po4 + 3 CaCl2 = Ca3(Po4)2 + 6 KCl
C7H8 + O2 = C + H2O =>
C7H8 + 2 O2 = 7 C + 4 H2O
BaCl2(aq) + Sr(NO3)2(aq) = Ba(NO3)2(aq) + SrCl2(aq) =>
BaCl2(aq) + Sr(NO3)2(aq) = Ba(NO3)2(aq) + SrCl2(aq)
Na + C = Na2C =>
2 Na + C = Na2C
C14H10O2 + NaBH4 + C2H6O = C14H14O2 + NaB(OCH2CH3)4 =>
2 C14H10O2 + NaBH4 + 4 C2H6O = 2 C14H14O2 + NaB(OCH2CH3)4
Al + HCI = AlHCI =>
Al + HCI = AlHCI
BO + H2O = B(OH)2 =>
BO + H2O = B(OH)2
C8H18 + Cl2 = C8H14Cl4 + HCl =>
C8H18 + 4 Cl2 = C8H14Cl4 + 4 HCl
NH4OH(aq) = NH3(aq) + H2O(l) =>
NH4OH(aq) = NH3(aq) + H2O(l)
NH3 + Ca(OH)2 = Ca3N2 + HOH =>
2 NH3 + 3 Ca(OH)2 = Ca3N2 + 6 HOH
(AlCl) + H3PO4 = Al3PO4 + HCl =>
3(AlCl) + H3PO4 = Al3PO4 + 3 HCl
NaHCO3 + H2O2 = H2CO3 + NaHO2 =>
NaHCO3 + H2O2 = H2CO3 + NaHO2
CaCO3 + O2 = CaO2 + CO3 =>
CaCO3 + O2 = CaO2 + CO3
C4H9Cl + KOH = C4H9OH + KCl =>
C4H9Cl + KOH = C4H9OH + KCl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
H3AsO3 + H2O = H2AsO4 + H =>
H3AsO3 + H2O = H2AsO4 + 3 H
CH3Br + Br2 = CHBr3 + HBr =>
CH3Br + 2 Br2 = CHBr3 + 2 HBr
H2SO4 + KHO = K2SO4 + H2O =>
H2SO4 + 2 KHO = K2SO4 + 2 H2O
CaHPO4 + KOH = Ca3(PO4)2 + K3PO4 + H2O =>
3 CaHPO4 + 3 KOH = Ca3(PO4)2 + K3PO4 + 3 H2O
NH3 + OH = N2H4 + H2O =>
2 NH3 + 2 OH = N2H4 + 2 H2O
Fe + CUCI2 = FeCI2 + CU =>
Fe + CUCI2 = FeCI2 + CU
Ag2S + NaCN = Na[Ag(CN)2] + Na2S =>
Ag2S + 4 NaCN = 2 Na[Ag(CN)2] + Na2S
H2SO4 + FeCl2 + HCl = FeCl3 + S + H2O =>
H2SO4 + 6 FeCl2 + 6 HCl = 6 FeCl3 + S + 4 H2O
NH4O3 = N2 + O2 + H2O =>
2 NH4O3 = N2 + O2 + 4 H2O
Fe2O3 + KNO3 + KOH = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 3 KNO3 + 4 KOH = 2 K2FeO4 + 3 KNO2 + 2 H2O
NaOH + C = Na + CO + H2 =>
2 NaOH + 2 C = 2 Na + 2 CO + H2
HCl + C2H3NaO2 = C2H3OCl + NaOH =>
HCl + C2H3NaO2 = C2H3OCl + NaOH
Al2O3 + Pb(OH)2 = Pb(AlO2)2 + H2O =>
Al2O3 + Pb(OH)2 = Pb(AlO2)2 + H2O
Al2O3 + S = Al + SO2 =>
2 Al2O3 + 3 S = 4 Al + 3 SO2
MgCO3 + H2O = Mg2(OH)2CO3 + CO2 =>
2 MgCO3 + H2O = Mg2(OH)2CO3 + CO2
CH3 + Hg = CH3Hg =>
CH3 + Hg = CH3Hg
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2Cr2O7 + H2C2O4*2H2O + K2C2O4*H2O = K3(Cr(C2O4)3)*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*2H2O + 2 K2C2O4*H2O = 2 K3(Cr(C2O4)3)*3H2O + 6 CO2 + 17 H2O
C + Si = CSi =>
C + Si = CSi
CO + H = CH3OH =>
CO + 4 H = CH3OH
SrH2(s) + H2O(l) = Sr(OH)2(s) + H2 =>
SrH2(s) + 2 H2O(l) = Sr(OH)2(s) + 2 H2
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