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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 NaBH4 + H2SO4 = B2H6 + 2 H2 + Na2SO4
C8H9OH + O2 = CO2 + H2O =>
C8H9OH + 10 O2 = 8 CO2 + 5 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C5H11OH + O2 = CO2 + H2O =>
2 C5H11OH + 15 O2 = 10 CO2 + 12 H2O
Mg(OH)2 + H2C2O4 = MgC2O4 + H2O =>
Mg(OH)2 + H2C2O4 = MgC2O4 + 2 H2O
NH3(g) + HCl(g) = NH4Cl(s) =>
NH3(g) + HCl(g) = NH4Cl(s)
HNO3 + Al2(CO3)3 = Al(NO3)3 + H2O + CO2 =>
6 HNO3 + Al2(CO3)3 = 2 Al(NO3)3 + 3 H2O + 3 CO2
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KOH + 2 H2O
Na3PO4 + AgNO3 = Ag3PO4 + NaNO3 =>
Na3PO4 + 3 AgNO3 = Ag3PO4 + 3 NaNO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Ni(s) + Cu(NO3)2(aq) = Ni(NO3)3(aq) + Cu(s) =>
2 Ni(s) + 3 Cu(NO3)2(aq) = 2 Ni(NO3)3(aq) + 3 Cu(s)
KI + KMnO4 + H2SO4 = MnSO4 + I2 + K2SO4 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 5 I2 + 6 K2SO4 + 8 H2O
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KMnO4 + C3H5(OH)3 = K2CO3 + Mn2O3 + CO2 + H2O =>
14 KMnO4 + 4 C3H5(OH)3 = 7 K2CO3 + 7 Mn2O3 + 5 CO2 + 16 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Si3P4 + HNO3 + H2O = H3PO4 + H2SiO + NH2OH =>
3 Si3P4 + 10 HNO3 + 37 H2O = 12 H3PO4 + 9 H2SiO + 10 NH2OH
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
S + HNO3 = NO2 + H2SO4 + H2O =>
S + 6 HNO3 = 6 NO2 + H2SO4 + 2 H2O
H(g) + C2H4(g) = C2H6(g) =>
2 H(g) + C2H4(g) = C2H6(g)
K + O2 = KO2 =>
K + O2 = KO2
Br2 + H2S = BrS + H2 =>
Br2 + 2 H2S = 2 BrS + 2 H2
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
ZnSO4 + LiOH = ZnOH + LiSO4 =>
ZnSO4 + LiOH = ZnOH + LiSO4
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Br2 + H2S = Br2S + H2 =>
Br2 + H2S = Br2S + H2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
CuSO4 + NaOH = CuOH + NaSO4 =>
CuSO4 + NaOH = CuOH + NaSO4
SrCl2 + NaOH = Sr(OH)2 + NaCl =>
SrCl2 + 2 NaOH = Sr(OH)2 + 2 NaCl
C3H5(NO3)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 10 H2O + 6 N2 + O2
C + O2 = CO2 =>
C + O2 = CO2
Zn + HNO3 = Zn(NO3)2 + NH3 + H2O =>
4 Zn + 9 HNO3 = 4 Zn(NO3)2 + NH3 + 3 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
BeSO4 + NH3 + H2O = Be(OH)2 + (NH4)2SO4 =>
BeSO4 + 2 NH3 + 2 H2O = Be(OH)2 + (NH4)2SO4
Al2O3 + nitricacid = aluminiumnitrate + water =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
CuSO4 + NaOH = CuOH + NaSO4 =>
CuSO4 + NaOH = CuOH + NaSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg + AgNO3 = MgNO3 + Ag =>
Mg + AgNO3 = MgNO3 + Ag
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
HClO3 + S + H2O = HCl + H2SO4 =>
HClO3 + S + H2O = HCl + H2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
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