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4 Ca2(PO4) + 8 SiO2 + 8 C = 8 CaSiO3 + P4 + 8 CO
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Br2 + Mg(OH)2 = H2O + Mg(BrO3)2 + MgBr2 =>
6 Br2 + 6 Mg(OH)2 = 6 H2O + Mg(BrO3)2 + 5 MgBr2
FeCl2 + H2O = Fe(OH)2 + HCl =>
FeCl2 + 2 H2O = Fe(OH)2 + 2 HCl
Mn4 = Mn =>
Mn4 = 4 Mn
KBiO3 + FeCl2 + HCl = BiCl3 + FeCl3 + H2O + K =>
KBiO3 + 3 FeCl2 + 6 HCl = BiCl3 + 3 FeCl3 + 3 H2O + K
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
AlBr3(aq) + Cl2(g) = AlCl3(g) + Br2(l) =>
2 AlBr3(aq) + 3 Cl2(g) = 2 AlCl3(g) + 3 Br2(l)
KHCO3(s) + HBr(aq) = CO2 + H2O + KBr =>
KHCO3(s) + HBr(aq) = CO2 + H2O + KBr
KNO3 + Sn + H2O = KOH + SnO2 + NO =>
4 KNO3 + 3 Sn + 2 H2O = 4 KOH + 3 SnO2 + 4 NO
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Rb2O + Ba(OH)2 = RbOH + BaO =>
Rb2O + Ba(OH)2 = 2 RbOH + BaO
Ba(NO3)2 + S2O3{2-} = Ba2(S2O3)2 + NO3{-} =>
2 Ba(NO3)2 + 2 S2O3{2-} = Ba2(S2O3)2 + 4 NO3{-}
H{+} + Fe(OH2)6{2+} + HNO3 = Fe(OH2)6{3+} + NO + H2O =>
3 H{+} + 3 Fe(OH2)6{2+} + HNO3 = 3 Fe(OH2)6{3+} + NO + 2 H2O
NH4Br + Pb(No3)2 = NH4No3 + PbBr2 =>
2 NH4Br + Pb(No3)2 = 2 NH4No3 + PbBr2
Zn + CuNO32 = Cu + ZnNO32 =>
Zn + CuNO32 = Cu + ZnNO32
Na2O + CuF2 = NaF + CuO =>
Na2O + CuF2 = 2 NaF + CuO
NO + H2SO4 = HNO2 + SO2 =>
2 NO + H2SO4 = 2 HNO2 + SO2
C4H8O2 + H2O2 = C2H4O2 + H2O =>
C4H8O2 + 2 H2O2 = 2 C2H4O2 + 2 H2O
Cl2 + KNO3 + H2O = KClO3 + KCl + HNO3 =>
3 Cl2 + 6 KNO3 + 3 H2O = KClO3 + 5 KCl + 6 HNO3
KMnO4 + HCl = KCl + MnCl2 + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
Ba(OH)2 + AgNO3 = Ba(NO3)2 + Ag(OH) =>
Ba(OH)2 + 2 AgNO3 = Ba(NO3)2 + 2 Ag(OH)
KMnO4 + H2SO4 + KNO2 = K2SO4 + MnSO4 + KNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 KNO2 = K2SO4 + 2 MnSO4 + 5 KNO3 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HNO3 + K2Cr2O7 + Fe(NO3)2 = KNO3 + Fe(NO3)3 + Cr(NO3)2 + H2O =>
14 HNO3 + K2Cr2O7 + 8 Fe(NO3)2 = 2 KNO3 + 8 Fe(NO3)3 + 2 Cr(NO3)2 + 7 H2O
Mg + HCl = MgHCl = H2 =>
Mg + HCl = MgHCl
KMnO4 + C8H10 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
42 KMnO4 + 5 C8H10 + 63 H2SO4 = 21 K2SO4 + 42 MnSO4 + 40 CO2 + 88 H2O
C3H7OH + Li = C3H7OLi + H2 =>
2 C3H7OH + 2 Li = 2 C3H7OLi + H2
HPO4{-2} + NH4{+} + MoO4{-2} + H3O{+} = (NH4)3[P(Mo12O40)] + H2O =>
HPO4{-2} + 3 NH4{+} + 12 MoO4{-2} + 23 H3O{+} = (NH4)3[P(Mo12O40)] + 35 H2O
SO3 + PbO = PbSO4 =>
SO3 + PbO = PbSO4
K2Cr2O7 + HCl + Ba(NO3)2 = BaCr2O7 + HNO3 + KCl =>
K2Cr2O7 + 2 HCl + Ba(NO3)2 = BaCr2O7 + 2 HNO3 + 2 KCl
Cu(OH)2 + NH4OH = (NH4)2[Cu(OH)4] =>
Cu(OH)2 + 2 NH4OH = (NH4)2[Cu(OH)4]
H2SO4 + HCl = HClO3 + H2S =>
3 H2SO4 + 4 HCl = 4 HClO3 + 3 H2S
C4H10O + Al2O3 = C4H8O + H2O + Al2 =>
3 C4H10O + Al2O3 = 3 C4H8O + 3 H2O + Al2
NH3 + Na2O = NaNH2 + H2O =>
2 NH3 + Na2O = 2 NaNH2 + H2O
FeS + KClO3 = Fe(ClO3)2 + K2S =>
FeS + 2 KClO3 = Fe(ClO3)2 + K2S
Hl + O2 = Hl2O3 =>
4 Hl + 3 O2 = 2 Hl2O3
C7H7Br + Na = C14H14 + NaBr =>
2 C7H7Br + 2 Na = C14H14 + 2 NaBr
CH3COH + H7 = C2H5OH =>
7 CH3COH + 2 H7 = 7 C2H5OH
MgCO3 + HCl = MgCl2 + CO2 + H2O1 =>
MgCO3 + 2 HCl = MgCl2 + CO2 + H2O1
Mn3 + NH3 = Mn(NH3)2 =>
Mn3 + 6 NH3 = 3 Mn(NH3)2
CuO + NH4 = Cu + N + H2O =>
2 CuO + NH4 = 2 Cu + N + 2 H2O
CaHPO4 + C + SiO2 = CaSiO3 + CO + P + H2O =>
2 CaHPO4 + 5 C + 2 SiO2 = 2 CaSiO3 + 5 CO + 2 P + H2O
NaOH(aq) + NH4C2H3O2(aq) = NaC2H3O2 + NH4OH =>
NaOH(aq) + NH4C2H3O2(aq) = NaC2H3O2 + NH4OH
Fe(ClO3)2 + Na2S = Fe2S2 + NaClO3 =>
2 Fe(ClO3)2 + 2 Na2S = Fe2S2 + 4 NaClO3
N2O5 + Cu(OH)2 = N(OH)5 + CuO =>
N2O5 + 5 Cu(OH)2 = 2 N(OH)5 + 5 CuO
Fe2 + K3Fe(CN)6 = KFe[Fe(CN)6] + K =>
Fe2 + 2 K3Fe(CN)6 = 2 KFe[Fe(CN)6] + 4 K
Fe(Cl)2 + K2CO3 = FeCO3 + KCl =>
Fe(Cl)2 + K2CO3 = FeCO3 + 2 KCl
Cr + KOH + H2O = H2 + KCr(OH)4 =>
2 Cr + 2 KOH + 6 H2O = 3 H2 + 2 KCr(OH)4
C16H32 + O2 = CO2 + H2O =>
C16H32 + 24 O2 = 16 CO2 + 16 H2O
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