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4 H2S + Fe3O4 = 4 H2O + FeS2 + 2 FeS
H2O2 + Mg = MgO + H =>
H2O2 + 2 Mg = 2 MgO + 2 H
CNH2N + HO2 = CO2 + H2O + N2 =>
CNH2N + 2 HO2 = CO2 + 2 H2O + N2
C5H10O5 = C + H2O =>
C5H10O5 = 5 C + 5 H2O
Sc + HNO3 = Sc(NO3)3 + N2O + H2O =>
8 Sc + 30 HNO3 = 8 Sc(NO3)3 + 3 N2O + 15 H2O
(NH4)3PO4 + CaCl2 = (NH4)3Cl2 + CaPO4 =>
(NH4)3PO4 + CaCl2 = (NH4)3Cl2 + CaPO4
Fe(OH)2 + Ba(NO3)2 = Ba(OH)2 + Fe(NO3)2 =>
Fe(OH)2 + Ba(NO3)2 = Ba(OH)2 + Fe(NO3)2
Pb + H2O = PbO + H2 =>
Pb + H2O = PbO + H2
B + H2O = B(OH)3 + H2 =>
2 B + 6 H2O = 2 B(OH)3 + 3 H2
Fe(s) + S(s) = Fe2S3(s) =>
2 Fe(s) + 3 S(s) = Fe2S3(s)
Cu(s) + AgNo3(ag) = Cu(No3)2(ag) + Ag(s) =>
Cu(s) + 2 AgNo3(ag) = Cu(No3)2(ag) + 2 Ag(s)
KCl + HOH = KOH + HCl =>
KCl + HOH = KOH + HCl
Al4C3 + F2 = AlF3 + CF4 =>
Al4C3 + 12 F2 = 4 AlF3 + 3 CF4
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
CCl4 + HF = CF2Cl2 + HCl =>
CCl4 + 2 HF = CF2Cl2 + 2 HCl
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
CrO4{2-} + N2O + H{+} = Cr{3+} + NO + H2O =>
2 CrO4{2-} + 3 N2O + 10 H{+} = 2 Cr{3+} + 6 NO + 5 H2O
CH3CH2CHCl2 + KOH = CH3CH2CH(OH)2 + KCl =>
CH3CH2CHCl2 + 2 KOH = CH3CH2CH(OH)2 + 2 KCl
HCl + MnO2 + H2SO4 = MnSO4 + H2O + Cl2 =>
2 HCl + MnO2 + H2SO4 = MnSO4 + 2 H2O + Cl2
NaHCO3 + Mg = Mg(HCO3)2 + Na =>
2 NaHCO3 + Mg = Mg(HCO3)2 + 2 Na
CsI + Br = CsBr + I =>
CsI + Br = CsBr + I
C6H12O6 + O = CO2 + H2O =>
C6H12O6 + 12 O = 6 CO2 + 6 H2O
KCIO3 = KCIO4 + KCI =>
4 KCIO3 = 3 KCIO4 + KCI
Pt(HCO3)4 = Pt(CO3)2 + H2O + CO2 =>
Pt(HCO3)4 = Pt(CO3)2 + 2 H2O + 2 CO2
KClO3 + H2C2O4 = ClO2 + CO2 + H2O + K2C2O4 =>
2 KClO3 + 2 H2C2O4 = 2 ClO2 + 2 CO2 + 2 H2O + K2C2O4
Al2(CO3)3(s) = Al2O3(s) + CO2(g) =>
Al2(CO3)3(s) = Al2O3(s) + 3 CO2(g)
AgN3 = Ag + N3 =>
AgN3 = Ag + N3
(NH4)2Cr2O7 + NaOH = Na2Cr2O7 + NH4OH =>
(NH4)2Cr2O7 + 2 NaOH = Na2Cr2O7 + 2 NH4OH
S + Br2 = SBr =>
2 S + Br2 = 2 SBr
H2SO4(aq) + NaOH(aq) = Na2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l)
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
C2H2 + Br2 = C2H2Br2 =>
C2H2 + Br2 = C2H2Br2
KMnO4 + H2SO4 + CH3CH2OH = MnSO4 + K2SO4 + H2O + CO2 =>
12 KMnO4 + 18 H2SO4 + 5 CH3CH2OH = 12 MnSO4 + 6 K2SO4 + 33 H2O + 10 CO2
HONH2 + HCl = HONH3Cl =>
HONH2 + HCl = HONH3Cl
Cr2O7{-}2 + H2C2O4 + H{+} = Cr3{+} + CO2 + H2O =>
6 Cr2O7{-}2 + 37 H2C2O4 + 10 H{+} = 4 Cr3{+} + 74 CO2 + 42 H2O
MgN + H2O = N2 + H2 + MgO =>
2 MgN + 2 H2O = N2 + 2 H2 + 2 MgO
Fe + Li2O = FeO + Li =>
Fe + Li2O = FeO + 2 Li
NH4 + O2 = N2 + H2O =>
2 NH4 + 2 O2 = N2 + 4 H2O
Li + HNO3 = LiNO3 + H2O + N2 =>
10 Li + 12 HNO3 = 10 LiNO3 + 6 H2O + N2
FeCl2 + H2O2 = Fe(OH)3 + Cl2 =>
2 FeCl2 + 3 H2O2 = 2 Fe(OH)3 + 2 Cl2
NH4Br + Pb(C2H3O2)2 = NH4(C2H3O2) + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 NH4(C2H3O2) + PbBr2
MgCl2 + (NH4)2S = MgS + (NH4)2Cl2 =>
MgCl2 + (NH4)2S = MgS + (NH4)2Cl2
C2H4O2 = C4H6O3 + H2O =>
2 C2H4O2 = C4H6O3 + H2O
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
SO2 = SO + O =>
SO2 = SO + O
CuO + B2O3 = Cu(BO2)2 =>
CuO + B2O3 = Cu(BO2)2
OF2 + NaOH = O2 + NaF + H2 =>
2 OF2 + 4 NaOH = 3 O2 + 4 NaF + 2 H2
H3C6H5O7 + KOH = K3C6H5O7 + HOH =>
H3C6H5O7 + 3 KOH = K3C6H5O7 + 3 HOH
Mo + HNO3 = Mo(NO3)2 + NO + H2O =>
3 Mo + 8 HNO3 = 3 Mo(NO3)2 + 2 NO + 4 H2O
B(s) + F(g) = BF3(s) =>
B(s) + 3 F(g) = BF3(s)
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