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Na2O + H2SO4 = Na2SO4 + H2O
Na + Fe(NO3)3 = Fe + NaNO3 =>
3 Na + Fe(NO3)3 = Fe + 3 NaNO3
O2 + NS = NO + SO2 =>
3 O2 + 2 NS = 2 NO + 2 SO2
RbNO3 + K2SO4 = Rb2SO4 + KNO3 =>
2 RbNO3 + K2SO4 = Rb2SO4 + 2 KNO3
MnO4{-} + HC2O4 + H{+} = Mn{2+} + CO2 + H2O =>
MnO4{-} + 5 HC2O4 + 3 H{+} = Mn{2+} + 10 CO2 + 4 H2O
H2[SnCl4] + HgCl2 = H2[SnCl6] + Hg =>
H2[SnCl4] + HgCl2 = H2[SnCl6] + Hg
Na2S + H2SnCl6 = SnS2 + NaCl + H2S =>
3 Na2S + H2SnCl6 = SnS2 + 6 NaCl + H2S
S8 + H2SO4 = SO2 + H2O =>
S8 + 16 H2SO4 = 24 SO2 + 16 H2O
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
NH4 + OH = N2 + H2O =>
2 NH4 + 8 OH = N2 + 8 H2O
Co(OH)2 + HCl = CoCl2 + H2O =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
C8H18O = C8H16 + H2O =>
C8H18O = C8H16 + H2O
Ca(s) + Fe(NO3)3(aq) = Ca(NO3)2(aq) + Fe(s) =>
3 Ca(s) + 2 Fe(NO3)3(aq) = 3 Ca(NO3)2(aq) + 2 Fe(s)
Mn + HBr = MnBr + H2 =>
2 Mn + 2 HBr = 2 MnBr + H2
P + Se = P4Se10 =>
4 P + 10 Se = P4Se10
Al + NaOH + H2O = Na3AlO6 + H2 =>
2 Al + 6 NaOH + 6 H2O = 2 Na3AlO6 + 9 H2
K2CO3 + AgNO3 = KNO3 + CO3Ag2 =>
K2CO3 + 2 AgNO3 = 2 KNO3 + CO3Ag2
Pb(NO3)2 + Cu(No3)2 = Pb(No3)2 + Cu(NO3)2 =>
Pb(NO3)2 + Cu(No3)2 = Pb(No3)2 + Cu(NO3)2
F2 + SnBr2 = SnF2 + Br2 =>
F2 + SnBr2 = SnF2 + Br2
Sn + NaCl + H2O = SnCl2 + NaOH + H2 =>
Sn + 2 NaCl + 2 H2O = SnCl2 + 2 NaOH + H2
Na2O2 + KJ + H2SO4 = J2 + Na2SO4 + K2SO4 + H2O =>
Na2O2 + 2 KJ + 2 H2SO4 = J2 + Na2SO4 + K2SO4 + 2 H2O
Al2S3 + H2O(l) = H2S + Al(OH)3 =>
Al2S3 + 6 H2O(l) = 3 H2S + 2 Al(OH)3
Cu2S + NH3 = Cu + H + NS =>
Cu2S + NH3 = 2 Cu + 3 H + NS
C6H6 + C2H4 = C6H5CH2CH3 =>
C6H6 + C2H4 = C6H5CH2CH3
Na + NH3 = NaNH2 + H2 =>
2 Na + 2 NH3 = 2 NaNH2 + H2
CH3CHO + NaOI = CI3CHO + NaOH =>
CH3CHO + 3 NaOI = CI3CHO + 3 NaOH
K2MnO4 + H2SO4 = KMnO4 + K2SO4 + MnO2 + H2O =>
3 K2MnO4 + 2 H2SO4 = 2 KMnO4 + 2 K2SO4 + MnO2 + 2 H2O
CU + Ni(NO3)2 = Ni + CU(NO3)2 =>
CU + Ni(NO3)2 = Ni + CU(NO3)2
Cr + H2 = CrH2 =>
Cr + H2 = CrH2
NaHSO3 + HClO4 = NaClO4 + H2 + SO3 =>
NaHSO3 + HClO4 = NaClO4 + H2 + SO3
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Cu2S + SO2 = CuS + O2 =>
Cu2S + SO2 = 2 CuS + O2
Fe2O3 + Ba(OH)2 = Ba(FeO2)2 + H2O =>
Fe2O3 + Ba(OH)2 = Ba(FeO2)2 + H2O
MnO + HNO2 = H2O + Mn(NO2)2 =>
MnO + 2 HNO2 = H2O + Mn(NO2)2
Xe + Fe2 = XeFe6 =>
Xe + 3 Fe2 = XeFe6
CaSiO3 + H3PO4 = Ca3(PO4)2 + H2SiO3 =>
3 CaSiO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2SiO3
Mg3(PO4)2 + NaOH = Na3PO4 + Mg(OH)2 =>
Mg3(PO4)2 + 6 NaOH = 2 Na3PO4 + 3 Mg(OH)2
Ag + MgCl2 = AgCl + Mg =>
2 Ag + MgCl2 = 2 AgCl + Mg
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
AuCl3 + KI = Au + KCl + I2 =>
2 AuCl3 + 6 KI = 2 Au + 6 KCl + 3 I2
(CH3) = CH3 =>
(CH3) = CH3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
S + Br = SBr6 =>
S + 6 Br = SBr6
P4S3 + KMnO4 + H2SO4 = S + MnSO4 + H3PO4 + K2SO4 =>
P4S3 + 4 KMnO4 + 6 H2SO4 = 3 S + 4 MnSO4 + 4 H3PO4 + 2 K2SO4
Fe + O2 + H2O = Fe2O3(H2O) =>
4 Fe + 3 O2 + 2 H2O = 2 Fe2O3(H2O)
KNO3(s) + S(s) + C(s) = K2S + N2 + CO2 =>
2 KNO3(s) + S(s) + 3 C(s) = K2S + N2 + 3 CO2
CH3(CH2)8CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)8CH3 + 31 O2 = 20 CO2 + 22 H2O
CuS + HCl = CuCl + HS =>
CuS + HCl = CuCl + HS
Cl2 + OH = ClO3 + H2O =>
Cl2 + 12 OH = 2 ClO3 + 6 H2O
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