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4 Fe3O4(s) + 13 O2(g) = 6 Fe2O3O4(s)
Ca + NaNO3 = Ca(NO3)2 + Na =>
Ca + 2 NaNO3 = Ca(NO3)2 + 2 Na
LiOHH2O + H3BO3 = LiB3O5 + H2O =>
LiOHH2O + 3 H3BO3 = LiB3O5 + 6 H2O
O2 + FeCl3 = Fe + Cl2O =>
3 O2 + 4 FeCl3 = 4 Fe + 6 Cl2O
Na2O2 + HCl = O2 + NaCl + H2O =>
2 Na2O2 + 4 HCl = O2 + 4 NaCl + 2 H2O
RuO4 + SO3 = SO4 + Ru =>
RuO4 + 4 SO3 = 4 SO4 + Ru
FeBr = Fe3 + Br2 =>
6 FeBr = 2 Fe3 + 3 Br2
P4 + Ba(OH)2 + H2O = Ba(H2PO2)2 + PH3 =>
2 P4 + 3 Ba(OH)2 + 6 H2O = 3 Ba(H2PO2)2 + 2 PH3
AgBr + H2O = AgO + Br + H2 =>
AgBr + H2O = AgO + Br + H2
F + NH3 = F4N2 + HF =>
10 F + 2 NH3 = F4N2 + 6 HF
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
Pb + KI = PbI2 + K =>
Pb + 2 KI = PbI2 + 2 K
FeO + Si = FeSiO =>
FeO + Si = FeSiO
SrF2 + BeSO4 = BeF2 + SrSO4 =>
SrF2 + BeSO4 = BeF2 + SrSO4
SI + O2 = SIO2 =>
SI + O2 = SIO2
C4H8 + Br2 = C4H7Br + HBr =>
C4H8 + Br2 = C4H7Br + HBr
C(iv) + O2 = C2O4 =>
2 C(iv) + 2 O2 = C2O4
Na2S2O5 + HgCl2 = NaCl + HgS2O5 =>
Na2S2O5 + HgCl2 = 2 NaCl + HgS2O5
Br2 + I = BrI =>
Br2 + 2 I = 2 BrI
(Co(N2H2(CH3)2)2(P(C6H5)3))3(Co(N3)6)2 + KMnO4 + H2SO4 = CoSO4 + N2 + H2O + H3PO4 + MnSO4 + K2SO4 + CO2 =>
5(Co(N2H2(CH3)2)2(P(C6H5)3))3(Co(N3)6)2 + 382 KMnO4 + 598 H2SO4 = 25 CoSO4 + 120 N2 + 808 H2O + 15 H3PO4 + 382 MnSO4 + 191 K2SO4 + 330 CO2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
PbCrO4 + CsOH = Pb(OH)2 + Cs2CrO4 =>
PbCrO4 + 2 CsOH = Pb(OH)2 + Cs2CrO4
P4 + H6 = PH3 =>
P4 + 2 H6 = 4 PH3
C18H38 + O2 = H38 + C18O2 =>
C18H38 + O2 = H38 + C18O2
CePO4 + C = CeCO3 + P2 + CO2 =>
2 CePO4 + 3 C = 2 CeCO3 + P2 + CO2
KCr(SO4)2 + KOH = K2SO4 + KCr(OH)4 =>
KCr(SO4)2 + 4 KOH = 2 K2SO4 + KCr(OH)4
H{+}(aq) + CrO4{2-}(aq) = Cr2O7{2-}(aq) + H2O(l) =>
2 H{+}(aq) + 2 CrO4{2-}(aq) = Cr2O7{2-}(aq) + H2O(l)
SbH3 + HNO3 = H2SbO4 + NO2 + H2O =>
SbH3 + 9 HNO3 = H2SbO4 + 9 NO2 + 5 H2O
Al2O3 + K2CO3 = Al2(CO3)3 + K2O =>
Al2O3 + 3 K2CO3 = Al2(CO3)3 + 3 K2O
Br2 + H2S = HBr + S =>
Br2 + H2S = 2 HBr + S
AgNO3 + K4Fe(CN)6 = KNO3 + Ag4Fe(CN)6 =>
4 AgNO3 + K4Fe(CN)6 = 4 KNO3 + Ag4Fe(CN)6
Au + H2SeO4 = Au2SeO4 + SeO2 + H2O =>
2 Au + 2 H2SeO4 = Au2SeO4 + SeO2 + 2 H2O
W + CuSe = Cu + WSe2 =>
W + 2 CuSe = 2 Cu + WSe2
K2SO4 + C = K2S + CO2 =>
K2SO4 + 2 C = K2S + 2 CO2
MgC + Si = MgSi + C =>
MgC + Si = MgSi + C
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
PbO2 + Na2S + NaOH = NaPbO2 + Na2SO4 + H2O =>
8 PbO2 + Na2S + 8 NaOH = 8 NaPbO2 + Na2SO4 + 4 H2O
NaBr + AgNO3 = AgNa + BrNO3 =>
NaBr + AgNO3 = AgNa + BrNO3
H2O2 + S + KOH = K2SO3 + H2O =>
2 H2O2 + S + 2 KOH = K2SO3 + 3 H2O
Fe(SO4) + NaS = FeS + NaSO4 =>
Fe(SO4) + NaS = FeS + NaSO4
BjO3 = Bj + O2 =>
2 BjO3 = 2 Bj + 3 O2
H(subscript)2O + O(subscript)2 = H(subscript)2O(subscript)2 =>
2 H(subscript)2O + O(subscript)2 = 2 H(subscript)2O(subscript)2
NaBr(s) + AgNO3(s) = AgBr(s) + NaNO3(s) =>
NaBr(s) + AgNO3(s) = AgBr(s) + NaNO3(s)
Pb(OH)5 + H2SO4 = Pb2(SO4)5 + H2O =>
2 Pb(OH)5 + 5 H2SO4 = Pb2(SO4)5 + 10 H2O
Cr2O3 + KOH + Br2 = K2CrO4 + H2O + KBr =>
Cr2O3 + 10 KOH + 3 Br2 = 2 K2CrO4 + 5 H2O + 6 KBr
Cu + MgSO = CuSO + Mg =>
Cu + MgSO = CuSO + Mg
NH3(l) = N2 + H2 =>
2 NH3(l) = N2 + 3 H2
U3O8 + CO = U + CO2 =>
U3O8 + 8 CO = 3 U + 8 CO2
H3PO4 + HCl = H2PO3Cl + H2O =>
H3PO4 + HCl = H2PO3Cl + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
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