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2 NaHCO3 = Na2CO3 + CO2 + H2O
NH4I + NaOH = NH3 + NaI + H2O =>
NH4I + NaOH = NH3 + NaI + H2O
Cu + HC1 = CuC12 + H2 =>
Cu + 12 HC1 = CuC12 + 6 H2
Cl2 + NO + H2O = Cl{-} + NO3{-} + H{+} =>
3 Cl2 + 2 NO + 4 H2O = 6 Cl{-} + 2 NO3{-} + 8 H{+}
C5H10O(l) + O2(g) = CO2 + H2O =>
C5H10O(l) + 7 O2(g) = 5 CO2 + 5 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + NH4NO3 =>
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + 2 NH4NO3
Mg + Fe(SO4)2 = MgSO4 + Fe =>
2 Mg + Fe(SO4)2 = 2 MgSO4 + Fe
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s) =>
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s)
H2SO4(ac) + Ba(OH)2(ac) = BaSO4(s) + H2O(l) =>
H2SO4(ac) + Ba(OH)2(ac) = BaSO4(s) + 2 H2O(l)
Na2SiO3 + K = K2SiO3 + Na =>
Na2SiO3 + 2 K = K2SiO3 + 2 Na
Fe + SO3 = Fe2(SO3)3 =>
2 Fe + 3 SO3 = Fe2(SO3)3
Ni + Cu(SO4) = NiSO4 + Cu =>
Ni + Cu(SO4) = NiSO4 + Cu
SO3 + H3PO4 = H2SO4 + P2O5 =>
3 SO3 + 2 H3PO4 = 3 H2SO4 + P2O5
H2SO4 + Na2S2O3 = H2O + Na2SO4 + SO2 =>
3 H2SO4 + Na2S2O3 = 3 H2O + Na2SO4 + 4 SO2
C7H12 + Br2 = C7H12Br =>
2 C7H12 + Br2 = 2 C7H12Br
CaS + K3PO4 = CaPO4 + K3S =>
CaS + K3PO4 = CaPO4 + K3S
Bi(OH)3 + Na2S2O8 + NaOH = Na2SO4 + NaBiO3 + H2O =>
Bi(OH)3 + Na2S2O8 + 3 NaOH = 2 Na2SO4 + NaBiO3 + 3 H2O
H{+} + ClO{-} = HClO =>
H{+} + ClO{-} = HClO
Si + H2O = SiO2 + H2 =>
Si + 2 H2O = SiO2 + 2 H2
Mg(s) + CuSO4(aq) = MgSO4 + Cu =>
Mg(s) + CuSO4(aq) = MgSO4 + Cu
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
Ca(NO3)2 + Na2CO3 + HCl = CaCO3 + HNO3 + NaCl =>
Ca(NO3)2 + Na2CO3 + 2 HCl = CaCO3 + 2 HNO3 + 2 NaCl
CaCl2(ac) + Na2CO3(ac) = NaCl(ac) + CaCO3(s) =>
CaCl2(ac) + Na2CO3(ac) = 2 NaCl(ac) + CaCO3(s)
CH2 + H2O = CH3CH2OH =>
2 CH2 + H2O = CH3CH2OH
NaOCl + KI = NaI + KOCl =>
NaOCl + KI = NaI + KOCl
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Al(OH)4{-} + H{+} = Al{3+} + H2O =>
Al(OH)4{-} + 4 H{+} = Al{3+} + 4 H2O
C3H6O + KMnO4 + H2SO4 = C2H4O2 + K2SO4 + MnSO4 + H2O =>
10 C3H6O + 8 KMnO4 + 12 H2SO4 = 15 C2H4O2 + 4 K2SO4 + 8 MnSO4 + 12 H2O
FeS + Fe2O3 = FeO + SO2 =>
FeS + 3 Fe2O3 = 7 FeO + SO2
Ni2O3 + H2O = Ni(HO)3 =>
Ni2O3 + 3 H2O = 2 Ni(HO)3
Ca(s) + HCl = CaCl(aq) + H2(g) =>
2 Ca(s) + 2 HCl = 2 CaCl(aq) + H2(g)
As5 + O2 = AsO =>
2 As5 + 5 O2 = 10 AsO
CH5H9O + O2 = C4H8O + H2O =>
8 CH5H9O + 21 O2 = 2 C4H8O + 48 H2O
Al + Co(NO3)2 = Al(NO3)3 + Co =>
2 Al + 3 Co(NO3)2 = 2 Al(NO3)3 + 3 Co
C6H4(COOH)2 + C2H4(OH)2 = C10H8O4 + H2O =>
C6H4(COOH)2 + C2H4(OH)2 = C10H8O4 + 2 H2O
MgO + HBr = Mg2Br + H2O + Br =>
2 MgO + 4 HBr = Mg2Br + 2 H2O + 3 Br
Cd + C2H5NS = CdS + C + H + N =>
Cd + C2H5NS = CdS + 2 C + 5 H + N
HCOOH + KMnO4 = CO2 + H2O + KHCO3 + MnO2 =>
3 HCOOH + 2 KMnO4 = CO2 + 2 H2O + 2 KHCO3 + 2 MnO2
(NH4)2(SO4) + Ba(NO3)2 = NH4(NO3) + Ba(SO4) =>
(NH4)2(SO4) + Ba(NO3)2 = 2 NH4(NO3) + Ba(SO4)
Cu + MnO4 = Cu(MnO4)2 =>
Cu + 2 MnO4 = Cu(MnO4)2
Ir + I2 = Ir5I6 =>
5 Ir + 3 I2 = Ir5I6
C6H14 = C4H10 + C2H4 =>
C6H14 = C4H10 + C2H4
K + HF = KHF =>
K + HF = KHF
NaH + O2 = NaOH =>
2 NaH + O2 = 2 NaOH
SnBr2 + Cr = CrBr3 + Sn =>
3 SnBr2 + 2 Cr = 2 CrBr3 + 3 Sn
Ca2B6O11 + Na2Co3 = CaCo3 + Na2B4O7 + NaBO2 =>
Ca2B6O11 + 2 Na2Co3 = 2 CaCo3 + Na2B4O7 + 2 NaBO2
C2H4 + Na = C2H3Na + H2 =>
2 C2H4 + 2 Na = 2 C2H3Na + H2
CH3COONa + HF = CH3COOH + NaF =>
CH3COONa + HF = CH3COOH + NaF
HCNO + KOH = HOH + KCNO =>
HCNO + KOH = HOH + KCNO
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