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2 H + S = H2S
Na2S + Al(C2H3O2)3 = Na(C2H3O2) + Al2S3 =>
3 Na2S + 2 Al(C2H3O2)3 = 6 Na(C2H3O2) + Al2S3
H + S = H2S =>
2 H + S = H2S
Ti + HCl = TiCl + H2 =>
2 Ti + 2 HCl = 2 TiCl + H2
CH3CH2CH2CH2CH = CH2 = Br2 =>
CH3CH2CH2CH2CH = 5 CH2
K3Po4AgNO3 = AgPo4K3NO3 =>
K3Po4AgNO3 = AgPo4K3NO3
Sr(NO3)2 + Rb2SO4 = SrSO4 + RbNO3 =>
Sr(NO3)2 + Rb2SO4 = SrSO4 + 2 RbNO3
[Fe(H2O)6]{2+} + Ag{+} = [Fe(H2O)6]{3+} + Ag =>
[Fe(H2O)6]{2+} + Ag{+} = [Fe(H2O)6]{3+} + Ag
CH3OH + C6H5COOH = C6H5COOH3 + H2O =>
7 CH3OH + 5 C6H5COOH = 6 C6H5COOH3 + 5 H2O
Al2O3(s) + C + Cl2 = AlCl3 + CO =>
Al2O3(s) + 3 C + 3 Cl2 = 2 AlCl3 + 3 CO
C7H18(l) + O2(g) = CO2(g) + H2O(g) =>
2 C7H18(l) + 23 O2(g) = 14 CO2(g) + 18 H2O(g)
CH3CH2COOCH3 + CH3CH2OH = CH3CH2COOCH2CH3 + CH3OH =>
CH3CH2COOCH3 + CH3CH2OH = CH3CH2COOCH2CH3 + CH3OH
NaHCO3 + HC2H4O2 = C2H3NaO2 + CO2 + H2O =>
9 NaHCO3 + 8 HC2H4O2 = 9 C2H3NaO2 + 7 CO2 + 11 H2O
Xe + ClO3{-} + H2O = HXeO4{-} + Cl{-} + H{+} =>
Xe + ClO3{-} + H2O = HXeO4{-} + Cl{-} + H{+}
CuO + Ba(OH)2 = Cu(OH)2 + BaO =>
CuO + Ba(OH)2 = Cu(OH)2 + BaO
BaO + HOH = Ba(OH)2 =>
BaO + HOH = Ba(OH)2
KMnO4 + HBr + H2S = KBr + MnBr2 + H2O + S =>
2 KMnO4 + 6 HBr + 5 H2S = 2 KBr + 2 MnBr2 + 8 H2O + 5 S
Ba(CN)2 + H2(SO4) = Ba(SO4) + HCN =>
Ba(CN)2 + H2(SO4) = Ba(SO4) + 2 HCN
P4O10(s) + H2O(s) = H3PO4(s) =>
P4O10(s) + 6 H2O(s) = 4 H3PO4(s)
C6H5C2H5 + O2 = CO2 + H2O =>
2 C6H5C2H5 + 21 O2 = 16 CO2 + 10 H2O
Na2Co3 + NH3 + H2O = NaOH + (NH4)2Co3 =>
Na2Co3 + 2 NH3 + 2 H2O = 2 NaOH + (NH4)2Co3
Zn(s) + I2 = ZnI2 =>
Zn(s) + I2 = ZnI2
MgSO3(s) + HCl(aq) = MgCl2(aq) + H2SO3 =>
MgSO3(s) + 2 HCl(aq) = MgCl2(aq) + H2SO3
Fe + HNO3 = Fe(NO3)3 + H2O + NH4NO3 =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 9 H2O + 3 NH4NO3
NaNO3 + HCl = NaH + ClNO3 =>
NaNO3 + HCl = NaH + ClNO3
C2H3Cl + O = CO2 + H2O + Cl2 =>
2 C2H3Cl + 11 O = 4 CO2 + 3 H2O + Cl2
PbCl4(aq) + K3PO4(aq) = KCl(aq) + Pb3(PO4)4(s) =>
3 PbCl4(aq) + 4 K3PO4(aq) = 12 KCl(aq) + Pb3(PO4)4(s)
H2AlO3 + H8ClO5 = AlCl3 + H + O =>
H2AlO3 + 3 H8ClO5 = AlCl3 + 26 H + 18 O
CuSO4 + Na(OH) = Cu(OH)2 + Na2(SO4) =>
CuSO4 + 2 Na(OH) = Cu(OH)2 + Na2(SO4)
MnO2 + HCl = MnCl2 + ClO + H2O =>
3 MnO2 + 8 HCl = 3 MnCl2 + 2 ClO + 4 H2O
KMnO4(S) + MnSO4(S) + H2O(l) = MnO2(S) + KHSO4(S) + H2SO4(l) =>
2 KMnO4(S) + 9 MnSO4(S) + 6 H2O(l) = 11 MnO2(S) + 2 KHSO4(S) + 5 H2SO4(l)
CaCl2 + K2Co3 = KCl2 + Ca2Co3 =>
2 CaCl2 + K2Co3 = 2 KCl2 + Ca2Co3
Ca(HCO3)2 + FePO4 = Fe(HCO3)3 + Ca3(PO4)2 =>
3 Ca(HCO3)2 + 2 FePO4 = 2 Fe(HCO3)3 + Ca3(PO4)2
CuO + H2SO4 = CuOH2SO4 =>
CuO + H2SO4 = CuOH2SO4
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
Ni(H2O)6{2+} + NH3 = Ni(NH3)6{2+} + H2O =>
Ni(H2O)6{2+} + 6 NH3 = Ni(NH3)6{2+} + 6 H2O
BaCl + S(SO4) = SCl + BaSO4 =>
BaCl + S(SO4) = SCl + BaSO4
K2SO3 + HCl2 = KCl + HSO3 =>
K2SO3 + HCl2 = 2 KCl + HSO3
MnSO4 + Na2O2 = Na2MnO4 + Na2SO4 =>
MnSO4 + 2 Na2O2 = Na2MnO4 + Na2SO4
LiCl + Na2 + Co3 = LiCo3 + Na2Cl =>
LiCl + Na2 + Co3 = LiCo3 + Na2Cl
NiCrO4 + LiBr = Li2CrO4 + NiBr2 =>
NiCrO4 + 2 LiBr = Li2CrO4 + NiBr2
U3O8 + Al = U + Al2O3 =>
3 U3O8 + 16 Al = 9 U + 8 Al2O3
Na3(PO4) + Ca(OH)2 = NaOH + Ca3(PO4)2 =>
2 Na3(PO4) + 3 Ca(OH)2 = 6 NaOH + Ca3(PO4)2
CaCl2 + NaOH = NaCl + Ca(OH)2 =>
CaCl2 + 2 NaOH = 2 NaCl + Ca(OH)2
Ca3N2 = Ca + N2 =>
Ca3N2 = 3 Ca + N2
PH3 + K2MnO4 + HCl = H3PO4 + MnCl2 + KCl + H2O =>
PH3 + 2 K2MnO4 + 8 HCl = H3PO4 + 2 MnCl2 + 4 KCl + 4 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na + C = Na4C3 =>
4 Na + 3 C = Na4C3
CH3(CH2)2OH + O2 = CO2 + H2O =>
2 CH3(CH2)2OH + 9 O2 = 6 CO2 + 8 H2O
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