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2 CuO + C = 2 Cu + CO2
I2 + KIO3 + HCl = ICl + KCl + H2O =>
2 I2 + KIO3 + 6 HCl = 5 ICl + KCl + 3 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
P4O6 + I2 = P2I4 + P4O10 =>
5 P4O6 + 8 I2 = 4 P2I4 + 3 P4O10
C6H14O4 + O2 = CO + H2O =>
2 C6H14O4 + 9 O2 = 12 CO + 14 H2O
AlCl3 + Na2SO4 = Al2(SO4)3 + NaCl =>
2 AlCl3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
ZnCl2 + (NH4)2SO4 = ZnSO4 + NH4Cl =>
ZnCl2 + (NH4)2SO4 = ZnSO4 + 2 NH4Cl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NH3NI3 = N2 + I2 + NH4 =>
8 NH3NI3 = 5 N2 + 12 I2 + 6 NH4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
KOH + FeNO3 = KNO3 + FeOH =>
KOH + FeNO3 = KNO3 + FeOH
X2 + Na2SO4 = X2SO4 + NaX2 =>
3 X2 + Na2SO4 = X2SO4 + 2 NaX2
C6H9O4 + H2O = CO2 + H2 =>
2 C6H9O4 + 16 H2O = 12 CO2 + 25 H2
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Cr + HCl = CrCl2 + H2 =>
Cr + 2 HCl = CrCl2 + H2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
K + NaOH = NaKO3 + NaK + H2 =>
6 K + 6 NaOH = 2 NaKO3 + 4 NaK + 3 H2
HgO(s) = Hg(l) + O2(g) =>
2 HgO(s) = 2 Hg(l) + O2(g)
AI + I = AII3 =>
AI + 3 I = AII3
Bi(NO3)3 + NaOH = Bi(OH)3 + NaNO3 =>
Bi(NO3)3 + 3 NaOH = Bi(OH)3 + 3 NaNO3
H2SO4 + KOH = HOH + K2SO4 =>
H2SO4 + 2 KOH = 2 HOH + K2SO4
H2S + Li2O = H2O + Li2S =>
H2S + Li2O = H2O + Li2S
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
KNO3 + NaOH = KNOH + NaO3 =>
KNO3 + NaOH = KNOH + NaO3
Pb + Fe2(SO4)3 = Pb2(SO4)4 + Fe =>
6 Pb + 4 Fe2(SO4)3 = 3 Pb2(SO4)4 + 8 Fe
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Pb + NaOH + H2O = H2 + NaPb(OH)4 =>
2 Pb + 2 NaOH + 6 H2O = 3 H2 + 2 NaPb(OH)4
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
H2 + C + N2 = HCN =>
H2 + 2 C + N2 = 2 HCN
K2S + K2Cr2O7 + H2SO4 = K2SO4 + H2O + Cr2(SO4)3 =>
3 K2S + 4 K2Cr2O7 + 16 H2SO4 = 7 K2SO4 + 16 H2O + 4 Cr2(SO4)3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H6 + KMnO4 + HNO3 = CO2 + KNO3 + Mn(NO3)2 + H2O =>
5 C2H6 + 14 KMnO4 + 42 HNO3 = 10 CO2 + 14 KNO3 + 14 Mn(NO3)2 + 36 H2O
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
Fe(OH)2(s) + HCl(aq) = FeCl2(aq) + H2O(l) =>
Fe(OH)2(s) + 2 HCl(aq) = FeCl2(aq) + 2 H2O(l)
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
BaO + H2O = BaO2 + H2 =>
BaO + H2O = BaO2 + H2
MgBr2 + Li2CO3 = MgCO3 + LiBr =>
MgBr2 + Li2CO3 = MgCO3 + 2 LiBr
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
ZnO + KOH + H2O = K2ZnO4H4 =>
ZnO + 2 KOH + H2O = K2ZnO4H4
UO3 + B4C + C = UC + B2O3 =>
2 UO3 + B4C + C = 2 UC + 2 B2O3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Na2O + HCl = H2O + NaCl =>
Na2O + 2 HCl = H2O + 2 NaCl
H2SeO4 + ZnO = ZnSeO4 + H2O =>
H2SeO4 + ZnO = ZnSeO4 + H2O
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
CH3OH + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
Ba + Mn(CO3)2 = BaCO3 + Mn =>
2 Ba + Mn(CO3)2 = 2 BaCO3 + Mn
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