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2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Zn(s) + H2O(l) = Zn(OH)2(aq) + H2(g) =>
Zn(s) + 2 H2O(l) = Zn(OH)2(aq) + H2(g)
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
CaCl2 + O2 = Ca(ClO2)2 =>
CaCl2 + 2 O2 = Ca(ClO2)2
P2O5 + Br2 = O2 + PBr3 =>
2 P2O5 + 6 Br2 = 5 O2 + 4 PBr3
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
NiSO3 + Sb = Sb(SO3)3 + Ni =>
3 NiSO3 + Sb = Sb(SO3)3 + 3 Ni
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ba(NO3)2 + O = BaO + NO3 =>
Ba(NO3)2 + O = BaO + 2 NO3
Al(s) + NaOH(aq) = Na3AlO3(s) + H2(g) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(s) + 3 H2(g)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CuO + Al(OH)3 = Cu(OH)2 + Al + O =>
3 CuO + 2 Al(OH)3 = 3 Cu(OH)2 + 2 Al + 3 O
Cu2O + H2SO4 = Cu2SO4 + H2O =>
Cu2O + H2SO4 = Cu2SO4 + H2O
OCI{-} + I{-} + H{+} = I3{-} + H2O + CI{-} =>
OCI{-} + 3 I{-} + 2 H{+} = I3{-} + H2O + CI{-}
KCIO + KBr + H2O = KCI + Br2 + KOH =>
KCIO + 2 KBr + H2O = KCI + Br2 + 2 KOH
Cu3AsO4 + Ni(BrO2)2 = CuBrO2 + Ni3(AsO4)2 =>
2 Cu3AsO4 + 3 Ni(BrO2)2 = 6 CuBrO2 + Ni3(AsO4)2
NaH2PO4 + NaOH = NaHPO4 + H2O + Na =>
NaH2PO4 + NaOH = NaHPO4 + H2O + Na
H3BO3 + Ca(OH)2 = Ca3(BO3)2 + H2O =>
2 H3BO3 + 3 Ca(OH)2 = Ca3(BO3)2 + 6 H2O
F2 + Zn = ZnF2 =>
F2 + Zn = ZnF2
NaOH + H2O = NaOH2{+} + OH{-} =>
NaOH + H2O = NaOH2{+} + OH{-}
Cu(OH)2 + HNo3 = Cu(No3)2 + H2O =>
Cu(OH)2 + 2 HNo3 = Cu(No3)2 + 2 H2O
Al(NO3)3 + KI = AlI3 + KNO3 =>
Al(NO3)3 + 3 KI = AlI3 + 3 KNO3
FeH2 + H2O = H4FeO =>
FeH2 + H2O = H4FeO
Bi(NO3)2 + K2SNO2 + KOH = Bi + K2SNO3 + KNO3 + H2O =>
Bi(NO3)2 + K2SNO2 + 2 KOH = Bi + K2SNO3 + 2 KNO3 + H2O
H2SnCl6 + H2S = SnS2 + HCl =>
H2SnCl6 + 2 H2S = SnS2 + 6 HCl
CaCl2(aq) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + CuCl2 =>
CaCl2(aq) + Cu(NO3)2(aq) = Ca(NO3)2(aq) + CuCl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + CI2 = C2 + HI =>
2 CH4 + 4 CI2 = 3 C2 + 8 HI
C6H4CH3OH + KMnO4 + H2SO4 = C6H4COOH(OH) + MnSO4 + K2SO4 + H2O =>
5 C6H4CH3OH + 6 KMnO4 + 9 H2SO4 = 5 C6H4COOH(OH) + 6 MnSO4 + 3 K2SO4 + 14 H2O
Cr + H2O = Cr2O7 + H =>
2 Cr + 7 H2O = Cr2O7 + 14 H
CaCO3 + H2O = Ca + OH + CO2 =>
CaCO3 + H2O = Ca + 2 OH + CO2
Li + Cr(NO2)3 = LiNO2 + Cr =>
3 Li + Cr(NO2)3 = 3 LiNO2 + Cr
Na2S2O5(aq) + KIO3(aq) = SO3(aq) + Na2SO4(aq) + I2(aq) + K2SO4(aq) =>
5 Na2S2O5(aq) + 4 KIO3(aq) = 3 SO3(aq) + 5 Na2SO4(aq) + 2 I2(aq) + 2 K2SO4(aq)
CH3HN2 + O2 = CO2 + H2O + N2 =>
CH3HN2 + 2 O2 = CO2 + 2 H2O + N2
H2SO4 + Na2S2O3 = H2O + Na2SO4 + SO2 =>
3 H2SO4 + Na2S2O3 = 3 H2O + Na2SO4 + 4 SO2
NaHSO4 + H2O2 = Na2S2O8 + H2O =>
2 NaHSO4 + H2O2 = Na2S2O8 + 2 H2O
CH3CH2OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
CH2CHCH3 + KMnO4 + H2O = CH3CH(OH)CH2(OH) + MnO2 + KOH =>
3 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3 CH3CH(OH)CH2(OH) + 2 MnO2 + 2 KOH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
NaH + BCl3 = NaBH4 + NaCl =>
4 NaH + BCl3 = NaBH4 + 3 NaCl
Al(s) + Cr2O3(g) = Cr + Al2O3(s) =>
2 Al(s) + Cr2O3(g) = 2 Cr + Al2O3(s)
PhCH2ClMg + CH3COCl = PhCH2COCH3 + MgCl2 =>
PhCH2ClMg + CH3COCl = PhCH2COCH3 + MgCl2
AgNO3 + CoCl = Ag2Cl + Co(NO3)2 =>
2 AgNO3 + CoCl = Ag2Cl + Co(NO3)2
NH4 + AgCl = Ag(NH4) + Cl =>
NH4 + AgCl = Ag(NH4) + Cl
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