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4 As5 + 15 O2 = 10 As2O3
FeSO4 + Fe(OH)3 = Fe2(SO4)3 + Fe(OH)2 =>
3 FeSO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 3 Fe(OH)2
CH4O(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH4O(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
P4H10 + H2O = PH3 + O2 =>
2 P4H10 + 2 H2O = 8 PH3 + O2
CaH2 + O2 = CaO + H2O =>
CaH2 + O2 = CaO + H2O
Al + C2H4O2 = H2 + AlC2O2 =>
Al + C2H4O2 = 2 H2 + AlC2O2
K3[Fe(CN)6] + KSCN = K4[Fe(CN)6] + SCN =>
K3[Fe(CN)6] + KSCN = K4[Fe(CN)6] + SCN
Ca + Cu2SO4 = Cu2 + CaSO4 =>
Ca + Cu2SO4 = Cu2 + CaSO4
Sr + F = SrF2 =>
Sr + 2 F = SrF2
NH3 + OH{-} = NH2{-} + H2O =>
NH3 + OH{-} = NH2{-} + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
K2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + 2 KOH
CaBr2 + K2S = KBr + CaS =>
CaBr2 + K2S = 2 KBr + CaS
Sr(NO3)2 + SO4 = Sr(SO4)2 + NO3 =>
Sr(NO3)2 + 2 SO4 = Sr(SO4)2 + 2 NO3
P4 + Br = P4Br3 =>
P4 + 3 Br = P4Br3
CuFeS2 + H2SO4 = CuSO4 + Fe2(SO4)3 + SO2 + H2O =>
2 CuFeS2 + 18 H2SO4 = 2 CuSO4 + Fe2(SO4)3 + 17 SO2 + 18 H2O
Br2 + AgI = Br2I2 + Ag =>
Br2 + 2 AgI = Br2I2 + 2 Ag
Cr(OH)3(s) + HNO2(aq) = Cr(NO2)3(aq) + H2O(l) =>
Cr(OH)3(s) + 3 HNO2(aq) = Cr(NO2)3(aq) + 3 H2O(l)
C5H12 + O2 = (CO2)4 + H2O =>
4 C5H12 + 32 O2 = 5(CO2)4 + 24 H2O
Fr + HNO3 = FrNO3 + NH4NO3 + H2O =>
8 Fr + 10 HNO3 = 8 FrNO3 + NH4NO3 + 3 H2O
Ca + KCl = CaCl2 + K =>
Ca + 2 KCl = CaCl2 + 2 K
Al + HNO3 + HCl = AlCl3 + NO + H2O =>
Al + HNO3 + 3 HCl = AlCl3 + NO + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ba(NO3)2 + NaF = BaF2 + NaNO3 =>
Ba(NO3)2 + 2 NaF = BaF2 + 2 NaNO3
KBr(aq) + Cl2(aq) = KCl(aq) + Br2(l) =>
2 KBr(aq) + Cl2(aq) = 2 KCl(aq) + Br2(l)
SrS = Sr + S =>
SrS = Sr + S
CH3CH2OH(l) + O2(g) = CO2 + H2O =>
CH3CH2OH(l) + 3 O2(g) = 2 CO2 + 3 H2O
Cs(s) + S(s) = CsS(s) =>
Cs(s) + S(s) = CsS(s)
CH3CH2CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
3 CH3CH2CH2CH3 + 3 Cl2 = 4 CH3CH(Cl)CH3 + 2 HCl
Al(NO3)3 + Na3(PO4) = Al3(PO4)3 + Na(NO3) =>
3 Al(NO3)3 + 3 Na3(PO4) = Al3(PO4)3 + 9 Na(NO3)
NaHCO3 + HAc = NaAc + CO2 + H2O =>
NaHCO3 + HAc = NaAc + CO2 + H2O
Al + NaHO + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaHO + 6 H2O = 2 NaAl(OH)4 + 3 H2
KOH + C20H14O4 = K + H2CO3 + H2O =>
86 KOH + C20H14O4 = 86 K + 20 H2CO3 + 30 H2O
PCl5(g) = PCl3(g) + Cl2(g) =>
PCl5(g) = PCl3(g) + Cl2(g)
Fe(aq) + OH(aq) = Fe(OH)3(s) =>
Fe(aq) + 3 OH(aq) = Fe(OH)3(s)
H2SO3 + Cl2 + H2O = H2SO4 + HCl =>
H2SO3 + Cl2 + H2O = H2SO4 + 2 HCl
AlBr3 + Sr(OH)2 = Br2Sr + Al(OH)3 =>
2 AlBr3 + 3 Sr(OH)2 = 3 Br2Sr + 2 Al(OH)3
AgNo2 + NaBr = NaNo2 + AgBr =>
AgNo2 + NaBr = NaNo2 + AgBr
Mg2 + N2 = Mg3N2 =>
3 Mg2 + 2 N2 = 2 Mg3N2
C6H6(l) + O2(g) = CO2(g) + H2O(l) =>
2 C6H6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(l)
NH3 + CI = N2 + HCI =>
2 NH3 + 6 CI = N2 + 6 HCI
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
Hg(NO3)2 + K2S = HgS + KNO3 =>
Hg(NO3)2 + K2S = HgS + 2 KNO3
I + Cl = ICl3 =>
I + 3 Cl = ICl3
Cu(ClO3)2 = CuCl2 + O2 =>
Cu(ClO3)2 = CuCl2 + 3 O2
Zn + S + O = ZnSO4 =>
Zn + S + 4 O = ZnSO4
NaCl(aq) + H2O(l) = Cl2(g) + H2(g) + NaOH(aq) =>
2 NaCl(aq) + 2 H2O(l) = Cl2(g) + H2(g) + 2 NaOH(aq)
S7 + O2 = SO3 =>
2 S7 + 21 O2 = 14 SO3
Na3PO4(aq) + MnCl2(aq) = NaCl(aq) + Mn3(PO4)2(s) =>
2 Na3PO4(aq) + 3 MnCl2(aq) = 6 NaCl(aq) + Mn3(PO4)2(s)
HgS + Al = Hg + Al2S3 =>
3 HgS + 2 Al = 3 Hg + Al2S3
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