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Cu2{+} + S2{-} = 2 CuS
KBrO3 + Mn(NO3)2 + HNO3 = KMnO4 + Br(NO3)3 + KNO3 + H2O =>
5 KBrO3 + 2 Mn(NO3)2 + 14 HNO3 = 2 KMnO4 + 5 Br(NO3)3 + 3 KNO3 + 7 H2O
NaHCO3(aq) + H3C6H5O7(aq) = CO2(aq) + H2O(l) + Na3C6H5O7(aq) =>
3 NaHCO3(aq) + H3C6H5O7(aq) = 3 CO2(aq) + 3 H2O(l) + Na3C6H5O7(aq)
K2S(aq) + HCl(aq) = KH(aq) + SCl2(g) =>
K2S(aq) + 2 HCl(aq) = 2 KH(aq) + SCl2(g)
KOH + Na2S = KS + OHNa2 =>
KOH + Na2S = KS + OHNa2
HClO4 + SO2 + H2 = HCl + H2SO4 =>
HClO4 + 2 SO2 + 2 H2 = HCl + 2 H2SO4
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
MgS + HCl = Mg(Cl)2 + H2S =>
MgS + 2 HCl = Mg(Cl)2 + H2S
CI + NaOH = NaCI + NaCIO3 + H2O =>
6 CI + 6 NaOH = 5 NaCI + NaCIO3 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cu + HNO3 = Cu(NO3)2 + H2O + N2O =>
4 Cu + 10 HNO3 = 4 Cu(NO3)2 + 5 H2O + N2O
NaHCO3 + Ca(OH)2 = Na2CO3 + CaCO3 + H2O =>
2 NaHCO3 + Ca(OH)2 = Na2CO3 + CaCO3 + 2 H2O
AlCl3 + Na3CO3 = AlCO3 + NaCl =>
AlCl3 + Na3CO3 = AlCO3 + 3 NaCl
FeCl3 + H2S(aq) = FeCl2 + HCl + S* =>
2 FeCl3 + H2S(aq) = 2 FeCl2 + 2 HCl + S*
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
BaCo3 + O2 = BaO + Co2 =>
2 BaCo3 + O2 = 2 BaO + 3 Co2
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Y2O + Cl2 = YCl + O2 =>
2 Y2O + 2 Cl2 = 4 YCl + O2
NaSO4 + Na2CO3 + H2O = (NaOH)2CO3 + Na2SO4 + CO2 =>
2 NaSO4 + 2 Na2CO3 + H2O = (NaOH)2CO3 + 2 Na2SO4 + CO2
Co{2+} + Cl{-} = CoCl4{-2} =>
Co{2+} + 4 Cl{-} = CoCl4{-2}
Mn(CH3COO)2 + KOH = KCH3COO + Mn(OH)2 =>
Mn(CH3COO)2 + 2 KOH = 2 KCH3COO + Mn(OH)2
RbO = Rb + O2 =>
2 RbO = 2 Rb + O2
NO2 + H2O = NH3 + H2O2 =>
2 NO2 + 10 H2O = 2 NH3 + 7 H2O2
Cl2 + KI = KCl2 + I2 =>
2 Cl2 + 2 KI = 2 KCl2 + I2
(NH4)2SO4 + NaCN = NH4CN + Na2SO4 =>
(NH4)2SO4 + 2 NaCN = 2 NH4CN + Na2SO4
Co{2+} + Cl{-} = CoCl2 =>
Co{2+} + 2 Cl{-} = CoCl2
Mg + (OH)2 = MgO + H2O =>
Mg + (OH)2 = MgO + H2O
NaBr(aq) + HgO(aq) = Na2O(aq) + HgBr2(s) =>
2 NaBr(aq) + HgO(aq) = Na2O(aq) + HgBr2(s)
FeCl3(aq) + H2S(aq) = FeCl2 + HCl + S* =>
2 FeCl3(aq) + H2S(aq) = 2 FeCl2 + 2 HCl + S*
N2H2 + NO2 = N2 + H2O =>
4 N2H2 + 2 NO2 = 5 N2 + 4 H2O
Cl2 + Na = NaCl = Br2 =>
Cl2 + 2 Na = 2 NaCl
KL + Br2 = Br2L + K =>
KL + Br2 = Br2L + K
C17H19NO3 + KOH = C5H11N + C12H9O4K =>
C17H19NO3 + KOH = C5H11N + C12H9O4K
C12H32O11 + O2 = CO2 + H2O =>
2 C12H32O11 + 29 O2 = 24 CO2 + 32 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
As2O3 + NaOH = Na + AsO3 + H2O =>
As2O3 + 6 NaOH = 6 Na + 2 AsO3 + 3 H2O
Co{2+} + Cl{-} = (CoCl4){2-} =>
Co{2+} + 4 Cl{-} = (CoCl4){2-}
BaS + H3PO4 = Ba3(PO4)2 + H2S =>
3 BaS + 2 H3PO4 = Ba3(PO4)2 + 3 H2S
Mg + (OH)2 = MgO + H2O =>
Mg + (OH)2 = MgO + H2O
Ba(OH)2 + NH4NO3 = Ba(NO3)2 + NH3 + H2O =>
Ba(OH)2 + 2 NH4NO3 = Ba(NO3)2 + 2 NH3 + 2 H2O
KMnO4 + H2C2O4 + H2SO4 = K2SO4 + MnSO + CO2 + H2O =>
2 KMnO4 + 11 H2C2O4 + 3 H2SO4 = K2SO4 + 2 MnSO + 22 CO2 + 14 H2O
Se + Cl2 = SeCl4 =>
Se + 2 Cl2 = SeCl4
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
K2CrO4 + NaNO3 = K2NO3 + CrO4Na =>
K2CrO4 + NaNO3 = K2NO3 + CrO4Na
(CH3)3NHNO3 = (CH3)3NH + NO3 =>
(CH3)3NHNO3 = (CH3)3NH + NO3
CuSO4 + H2O = CuSO4(H2O)24 =>
CuSO4 + 24 H2O = CuSO4(H2O)24
Al2O3 + NaAlH4 = NaAlO2 + Al + H2 =>
2 Al2O3 + 3 NaAlH4 = 3 NaAlO2 + 4 Al + 6 H2
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
HOC6H4COOH + NaOH = HOC6H4COONa + H2O =>
HOC6H4COOH + NaOH = HOC6H4COONa + H2O
NO2 + H2 = NH3 + H2O =>
2 NO2 + 7 H2 = 2 NH3 + 4 H2O
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