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4 Na + O2 = 2 Na2O
Mn2O3 + Al = Al2O3 + Mn =>
Mn2O3 + 2 Al = Al2O3 + 2 Mn
MnO4 + I{-} + OH{-} = (MnO4)2{-} + (IO3){-} + H2O =>
12 MnO4 + I{-} + 6 OH{-} = 6(MnO4)2{-} + (IO3){-} + 3 H2O
C2H4(OH)C4H9 + Na2Cr2O7 + H2SO4 = CH3C(O)CH2CH2CH2CH3 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C2H4(OH)C4H9 + Na2Cr2O7 + 4 H2SO4 = 3 CH3C(O)CH2CH2CH2CH3 + Cr2(SO4)3 + Na2SO4 + 7 H2O
CO3(aq){-2} + H(aq){+} = H2O(l) + CO2(g) =>
CO3(aq){-2} + 2 H(aq){+} = H2O(l) + CO2(g)
C + H + Cl = CHCl =>
C + H + Cl = CHCl
Fe(NO3)3 + Na2SO4 = Fe2(SO4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2SO4 = Fe2(SO4)3 + 6 NaNO3
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
AgNO3(aq)HCl(aq) = AgCl(s)HNO3(aq) =>
AgNO3(aq)HCl(aq) = AgCl(s)HNO3(aq)
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Pb(NO3)2 + NH4Cl = NH4NO3 + PbCl2 =>
Pb(NO3)2 + 2 NH4Cl = 2 NH4NO3 + PbCl2
AsO4{3-} + S{2-} + H{+} = AsO3{3-} + S + H2O =>
AsO4{3-} + S{2-} + 2 H{+} = AsO3{3-} + S + H2O
Sr(NO3)2 + Ba(OH)2 = Sr(OH)2 + Ba(NO3)2 =>
Sr(NO3)2 + Ba(OH)2 = Sr(OH)2 + Ba(NO3)2
[Co(H2O)6]Cl2 + NaOH + C5H8O2 = Na[Co(C5H7O2)3] + H2O + NaCl =>
[Co(H2O)6]Cl2 + 3 NaOH + 3 C5H8O2 = Na[Co(C5H7O2)3] + 9 H2O + 2 NaCl
HNO3 + I2 = NO2 + H2 + HIO3 =>
6 HNO3 + I2 = 6 NO2 + 2 H2 + 2 HIO3
Al(No3)3 + Mg = Al + MgNo3 =>
Al(No3)3 + 3 Mg = Al + 3 MgNo3
PhCH2 + H2SO4 + KMnO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
2 PhCH2 + 3 H2SO4 + 2 KMnO4 = 2 PhCOOH + K2SO4 + 2 MnSO4 + 4 H2O
Fe + Cu2NO3 = Fe(NO3)3 + Cu =>
Fe + 3 Cu2NO3 = Fe(NO3)3 + 6 Cu
Na2S + Cr2(SO4)3 = Na2(SO4)3 + Cr2S =>
Na2S + Cr2(SO4)3 = Na2(SO4)3 + Cr2S
CrCl3 + K2S = KCl + S3Cr2 =>
2 CrCl3 + 3 K2S = 6 KCl + S3Cr2
Zn*CuSO4 = ZnSO4 + Cu =>
Zn*CuSO4 = ZnSO4 + Cu
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2 + H2O + Na + Cl =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2 + 2 H2O + Na + 2 Cl
K2Cr2O7 + H2SO4 + KNO2 = Cr2(SO4)3 + K2SO4 + H2O + KNO3 =>
K2Cr2O7 + 4 H2SO4 + 3 KNO2 = Cr2(SO4)3 + K2SO4 + 4 H2O + 3 KNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Bi(OH)3 + SO2 = Bi2(SO3)3 + H2O =>
2 Bi(OH)3 + 3 SO2 = Bi2(SO3)3 + 3 H2O
C2H6 + NaOH = C2H5Na + H2O =>
C2H6 + NaOH = C2H5Na + H2O
Pb(NO3)2 + (NH4)2S = PbS + NH4NO3 =>
Pb(NO3)2 + (NH4)2S = PbS + 2 NH4NO3
CH3COOH + NaHCO3 = CH3COONa + CO2 + H3O =>
11 CH3COOH + 10 NaHCO3 = 10 CH3COONa + 12 CO2 + 8 H3O
Al(OH)3 + F = AlF3 + OH =>
Al(OH)3 + 3 F = AlF3 + 3 OH
Fe{2+} + Cl2 = Fe{3+} + Cl{-} =>
2 Fe{2+} + Cl2 = 2 Fe{3+} + 2 Cl{-}
CuCl2 + (NH4)3PO4 = Cu3(PO4)2 + NH4Cl =>
3 CuCl2 + 2(NH4)3PO4 = Cu3(PO4)2 + 6 NH4Cl
Cr{2+} + O2 + H{+} = Cr{3+} + H2O =>
4 Cr{2+} + O2 + 4 H{+} = 4 Cr{3+} + 2 H2O
Fe2O3 + KI + HCl = Fe2Cl2 + KCl + I2 + H2O =>
Fe2O3 + 4 KI + 6 HCl = Fe2Cl2 + 4 KCl + 2 I2 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
[Ag(NH{+3}){2}] + CHO + OH{-} = COOH + H{2}O + Ag + NH{3} =>
3[Ag(NH{+3}){2}] + 2 CHO + 2 OH{-} = 2 COOH + 2 H{2}O + 3 Ag + 3 NH{3}
Be2 + OH2 = BeOH2 =>
Be2 + 2 OH2 = 2 BeOH2
P4 + SOCl2 = PCl3 + SO2 + S2Cl2 =>
P4 + 8 SOCl2 = 4 PCl3 + 4 SO2 + 2 S2Cl2
PtC + GaN = Ga4C3 + Pt3N4 =>
3 PtC + 4 GaN = Ga4C3 + Pt3N4
SnCl4 + NH3 = SnCl3 + HCl + N2 =>
6 SnCl4 + 2 NH3 = 6 SnCl3 + 6 HCl + N2
AlCl3 + H2SO4 = Al2(SO4)3 + HCl =>
2 AlCl3 + 3 H2SO4 = Al2(SO4)3 + 6 HCl
N2 + H2SO4 = NH4 + HSO4 =>
N2 + 8 H2SO4 = 2 NH4 + 8 HSO4
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O =>
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O
MnCl2 + Fe = Mn + FeCl2 =>
MnCl2 + Fe = Mn + FeCl2
KBr + AgNo3 = KNo3 + AgBr =>
KBr + AgNo3 = KNo3 + AgBr
NaCI + H2SO4 + KMnO4 = CI + MnSO4 + Na2SO4 + K2SO4 + H2O =>
10 NaCI + 8 H2SO4 + 2 KMnO4 = 10 CI + 2 MnSO4 + 5 Na2SO4 + K2SO4 + 8 H2O
C2H5COOH + Cu2O = C2H5COOCu + H2O =>
2 C2H5COOH + Cu2O = 2 C2H5COOCu + H2O
Al2(SO4)3 + Fe(NO3)3 = Fe2(SO4)3 + Al(NO3)3 =>
Al2(SO4)3 + 2 Fe(NO3)3 = Fe2(SO4)3 + 2 Al(NO3)3
O = O27 =>
27 O = O27
Mg(s) + Cl2(g) = MgCl2 =>
Mg(s) + Cl2(g) = MgCl2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
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