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CaCO3 = CaO + CO2
Mn(s) + HCl(aq) = MnCl2(aq) + H2(g) =>
Mn(s) + 2 HCl(aq) = MnCl2(aq) + H2(g)
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
C2H10 + O2 = CO2 + H2O =>
2 C2H10 + 9 O2 = 4 CO2 + 10 H2O
Zr + O2 = ZrO =>
2 Zr + O2 = 2 ZrO
Pb + KOH + H2O = K2[Pb(OH)6] + H2 =>
Pb + 2 KOH + 4 H2O = K2[Pb(OH)6] + 2 H2
Fe + H2O = Fe(OH)3 + H2 =>
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
HNO3 + Al + H2O + KOH = NH3 + KAl(OH)4 =>
3 HNO3 + 8 Al + 15 H2O + 8 KOH = 3 NH3 + 8 KAl(OH)4
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C8H18 + O2 = H2O + CO2 =>
2 C8H18 + 25 O2 = 18 H2O + 16 CO2
C2H5OH(l) + O2(g) = CO2(g) + H2O(l) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2O(l)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Ba(OH)2 + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 NH4SCN = Ba(SCN)2 + 2 H2O + 2 NH3
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
Cu + HNO3 = NO2 + H2O + Cu(NO3)2 =>
Cu + 4 HNO3 = 2 NO2 + 2 H2O + Cu(NO3)2
KMnO4 + Fe(NO2)2 + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + HNO3 + H2O =>
2 KMnO4 + 2 Fe(NO2)2 + 6 H2SO4 = K2SO4 + 2 MnSO4 + Fe2(SO4)3 + 4 HNO3 + 4 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
BA(OH)2 + CUCl2 = BACl2 + CU(OH)2 =>
BA(OH)2 + CUCl2 = BACl2 + CU(OH)2
HCL + NAOH = H2O + NACL =>
HCL + NAOH = H2O + NACL
KOH + SO2 + KMnO4 = K2SO4 + MnO2 + H2O =>
4 KOH + 3 SO2 + 2 KMnO4 = 3 K2SO4 + 2 MnO2 + 2 H2O
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
Pb3O4 + H2 = PbO + H2O =>
Pb3O4 + H2 = 3 PbO + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe(NO3)3 = FeO + NO2 + O2 =>
Fe(NO3)3 = FeO + 3 NO2 + O2
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
FeH + H2O = Fe(OH)2 + H2 =>
2 FeH + 4 H2O = 2 Fe(OH)2 + 3 H2
C7H8 + NO2 = C7H5N3O6 + H2 =>
2 C7H8 + 6 NO2 = 2 C7H5N3O6 + 3 H2
FeO + HNO3 = Fe(NO3)3 + NO2 + H2O =>
FeO + 4 HNO3 = Fe(NO3)3 + NO2 + 2 H2O
H2SO4 + Zn = ZnSO4 + H2 =>
H2SO4 + Zn = ZnSO4 + H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Zn + FeCl3 = ZnCl + Fe =>
3 Zn + FeCl3 = 3 ZnCl + Fe
HgO = O + Hg =>
HgO = O + Hg
KCH3COO + HI = KI + CH3COOH =>
KCH3COO + HI = KI + CH3COOH
Hg2O3 = O2 + Hg =>
2 Hg2O3 = 3 O2 + 4 Hg
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
KI + (NH4)3PO4 = K3PO4 + NH4I =>
3 KI + (NH4)3PO4 = K3PO4 + 3 NH4I
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CUSO4 + NaOH = CU(OH)2 + Na2SO4 =>
CUSO4 + 2 NaOH = CU(OH)2 + Na2SO4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
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