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4 Al + 3 O2 = 2 Al2O3
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CU(OH)2 = CUO + H2O =>
CU(OH)2 = CUO + H2O
K + H2O = K2O + H2 =>
2 K + H2O = K2O + H2
K3Fe(CN)6(aq) + Zn(NO3)2(aq) = Zn(CN)2 + K3Fe(NO3)6 =>
K3Fe(CN)6(aq) + 3 Zn(NO3)2(aq) = 3 Zn(CN)2 + K3Fe(NO3)6
NaHSO4 + BaBr2 = NaBr + Ba(HSO4)2 =>
2 NaHSO4 + BaBr2 = 2 NaBr + Ba(HSO4)2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CdO + Mg = CdMg + O =>
CdO + Mg = CdMg + O
C + O2 = CO =>
2 C + O2 = 2 CO
Al + CuCl2 = Cu + AlCl3 =>
2 Al + 3 CuCl2 = 3 Cu + 2 AlCl3
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
PbO + O2 = Pb3O4 =>
6 PbO + O2 = 2 Pb3O4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KCrO2 + HCl + H2O = Cr(OH)3 + KCl =>
KCrO2 + HCl + H2O = Cr(OH)3 + KCl
C + S = CS2 =>
C + 2 S = CS2
SiO2 + KOH = K2SiO3 + H2O =>
SiO2 + 2 KOH = K2SiO3 + H2O
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
H2SO4 + Cu = Cu2SO4 + H2O + SO2 =>
2 H2SO4 + 2 Cu = Cu2SO4 + 2 H2O + SO2
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Bi(NO3)3(aq) + KI(aq) = BiI3(s) + KNO3(aq) =>
Bi(NO3)3(aq) + 3 KI(aq) = BiI3(s) + 3 KNO3(aq)
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
ZnS + O2 = S2 + ZnO =>
2 ZnS + O2 = S2 + 2 ZnO
H3PO4 + CaCO3 = H2CO3 + Ca3(PO4)2 =>
2 H3PO4 + 3 CaCO3 = 3 H2CO3 + Ca3(PO4)2
KMno4 + KOH = K2Mno4 + O2 + H2O =>
4 KMno4 + 4 KOH = 4 K2Mno4 + O2 + 2 H2O
Hg + HCl + NO3 = HgCl2 + NO + H2O =>
2 Hg + 4 HCl + NO3 = 2 HgCl2 + NO + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2 + F2 = HF2 =>
H2 + 2 F2 = 2 HF2
Hg + HCl + HNO3 = HgCl2 + NO + H2O =>
3 Hg + 6 HCl + 2 HNO3 = 3 HgCl2 + 2 NO + 4 H2O
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
CuS + HNO3 = S + NO + Cu(NO3)2 + H2O =>
3 CuS + 8 HNO3 = 3 S + 2 NO + 3 Cu(NO3)2 + 4 H2O
C6H5CHO + C3H6O = C17H14O + H2O =>
2 C6H5CHO + C3H6O = C17H14O + 2 H2O
SiH4(g) + NH3(g) = Si3N4(s) + H2(g) =>
3 SiH4(g) + 4 NH3(g) = Si3N4(s) + 12 H2(g)
Al(NO3)3 = Al2O3 + NO2 + O2 =>
4 Al(NO3)3 = 2 Al2O3 + 12 NO2 + 3 O2
C7H7Cl + C2H3KO2 = C9H10O2 + KCl =>
C7H7Cl + C2H3KO2 = C9H10O2 + KCl
C6H5OH + KOH = C6H5OK + H2O =>
C6H5OH + KOH = C6H5OK + H2O
KOH + NO = KNO2 + N2 + H2O =>
4 KOH + 6 NO = 4 KNO2 + N2 + 2 H2O
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
H2O = H20 + O2 =>
10 H2O = H20 + 5 O2
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
Zn + FeCl2 = ZnCl2 + Fe =>
Zn + FeCl2 = ZnCl2 + Fe
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
C6H12N4*2HClO4 = HCl + N2 + H2 + CO + H2O =>
C6H12N4*2HClO4 = 2 HCl + 2 N2 + 4 H2 + 6 CO + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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