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FeS + 2 HCl = FeCl2 + H2S
BeO + Al = Al2O3 + Be =>
3 BeO + 2 Al = Al2O3 + 3 Be
Li + CuSO4 = Cu + LiSO4 =>
Li + CuSO4 = Cu + LiSO4
MgCO3(s) = CO2(g) + MgO(g) =>
MgCO3(s) = CO2(g) + MgO(g)
AAA = A32 =>
32 AAA = 3 A32
MgCl2 + NH3H2O = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 NH3H2O = Mg(OH)2 + 2 NH4Cl
FeCl3 + K4[Fe(CN)6] = KCl + K4(Fe(CN)6)3 + Fe =>
8 FeCl3 + 9 K4[Fe(CN)6] = 24 KCl + 3 K4(Fe(CN)6)3 + 8 Fe
ClO2 + KOH = H2O + K2ClO3 =>
ClO2 + 2 KOH = H2O + K2ClO3
Sr(C2H3O2)2 + H2CO3 = SrCO3 + HC2H3O2 =>
Sr(C2H3O2)2 + H2CO3 = SrCO3 + 2 HC2H3O2
O2 = O8 =>
4 O2 = O8
H2O + BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H3O{+} =>
H2O + BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + 2 H3O{+}
CH3CH2CH(Br)CH3 + NaOH = CH3CH2CH(Na)CH3 + BrOH =>
CH3CH2CH(Br)CH3 + NaOH = CH3CH2CH(Na)CH3 + BrOH
KMnO4 + K2S + H2O = MnO(OH)2 + S + KOH =>
2 KMnO4 + 3 K2S + 6 H2O = 2 MnO(OH)2 + 3 S + 8 KOH
K3[Cr(OH)6] + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 K3[Cr(OH)6] + 3 Br2 + 4 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
N2O5 + Na = NaNO3 + NO2 =>
N2O5 + Na = NaNO3 + NO2
Fe(OH)3 + HI = FeI3 + H(OH) =>
Fe(OH)3 + 3 HI = FeI3 + 3 H(OH)
CH + NCl = ClC + N + H =>
CH + NCl = ClC + N + H
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
K2CrO4 + CuCl2 = CuCrO4 + K2Cl2 =>
K2CrO4 + CuCl2 = CuCrO4 + K2Cl2
Al3O2 + FeO = Al2O3 + Fe =>
2 Al3O2 + 5 FeO = 3 Al2O3 + 5 Fe
N2O + H2O = Ammoniumnitrate =>
N2O + 2 H2O = NH4NO3
Zn + Mg3(PO4)2 = Mg + Zn(PO4)2 =>
Zn + Mg3(PO4)2 = 3 Mg + Zn(PO4)2
BaSO4(heat) = BaO + SO3 =>
BaSO4(heat) = BaO + SO3
(C2H5)2NH2Cl + CuCl2 = ((CH3CH2)2NH2)2CuCl4 =>
2(C2H5)2NH2Cl + CuCl2 = ((CH3CH2)2NH2)2CuCl4
HBr + Ba = H2 + BaBr =>
2 HBr + 2 Ba = H2 + 2 BaBr
KCIO3 + H2SO4 = KHSO4 + CIO2 + HCIO4 + H2O =>
3 KCIO3 + 3 H2SO4 = 3 KHSO4 + 2 CIO2 + HCIO4 + H2O
Fe2(SO4)3 + Ba(OH)2 = Ba3(SO4)3 + Fe2(OH)6 =>
Fe2(SO4)3 + 3 Ba(OH)2 = Ba3(SO4)3 + Fe2(OH)6
Zn3(PO4)2 + HCl = ZnCl2 + H3PO4 =>
Zn3(PO4)2 + 6 HCl = 3 ZnCl2 + 2 H3PO4
NH3 + I2 = HI + NI3 =>
NH3 + 3 I2 = 3 HI + NI3
HNO3 + Mg2 = Mg(NO3)2 + H =>
4 HNO3 + Mg2 = 2 Mg(NO3)2 + 4 H
CaBr2 + (NH4)2CO3 = CaCO3 + (NH4)Br =>
CaBr2 + (NH4)2CO3 = CaCO3 + 2(NH4)Br
HSCH2COO + NH4 = HSCH2COOH + NH3 =>
HSCH2COO + NH4 = HSCH2COOH + NH3
Br2 + KL = KBr2 + L =>
Br2 + KL = KBr2 + L
Na2CrO4 + AgNO3 = NaNO3 + Ag2(CrO4) =>
Na2CrO4 + 2 AgNO3 = 2 NaNO3 + Ag2(CrO4)
Sr{+2} + CO3{-2} = SrC + O =>
Sr{+2} + CO3{-2} = SrC + 3 O
Me4NI + I2 = Me4NI5 =>
Me4NI + 2 I2 = Me4NI5
CS2(s) + Cl(g) = CCl3(l) + SCl2(s) =>
CS2(s) + 7 Cl(g) = CCl3(l) + 2 SCl2(s)
C5H14NO + C2 + H2O = C7NH16O2 =>
C5H14NO + C2 + H2O = C7NH16O2
AgNo3 + Br2 = AgBr + No2 =>
2 AgNo3 + Br2 = 2 AgBr + 3 No2
CH2Cl2 + O2 = CH2O + Cl2 =>
2 CH2Cl2 + O2 = 2 CH2O + 2 Cl2
SN + HNO3 = SN(NO3)4 + NO2 + H2O =>
SN + 8 HNO3 = SN(NO3)4 + 4 NO2 + 4 H2O
Al + NH3 + H2O = NH4 + Al(OH)3 =>
Al + 3 NH3 + 3 H2O = 3 NH4 + Al(OH)3
Si2 + SiO3 = SiO =>
Si2 + SiO3 = 3 SiO
HCl + CaCO3 = ClCaHCO3 =>
HCl + CaCO3 = ClCaHCO3
Re + O2 = ReO3 =>
2 Re + 3 O2 = 2 ReO3
CH3CH2OH + NaCl = CH3CH2Cl + NaOH =>
CH3CH2OH + NaCl = CH3CH2Cl + NaOH
FeCl3 + Na2SiO4 = Fe2(SiO4)3 + NaCl =>
2 FeCl3 + 3 Na2SiO4 = Fe2(SiO4)3 + 6 NaCl
NaBH4 + HCl + H2O = NaCl + H3BO3 + H2 =>
NaBH4 + HCl + 3 H2O = NaCl + H3BO3 + 4 H2
C7H5N3O6 = C + CO + N2 + H2 =>
2 C7H5N3O6 = 2 C + 12 CO + 3 N2 + 5 H2
Ni(NO3)2 + Br2 + KOH = Ni(OH)3 + KBr + KNO3 =>
2 Ni(NO3)2 + Br2 + 6 KOH = 2 Ni(OH)3 + 2 KBr + 4 KNO3
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