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2 C + 3 H2 = C2H6
C4H8O2 + KMnO4 + H2SO4 = C4H6O3 + MnSO4 + K2SO4 + H2O =>
5 C4H8O2 + 4 KMnO4 + 6 H2SO4 = 5 C4H6O3 + 4 MnSO4 + 2 K2SO4 + 11 H2O
H3AsO4 + Zn + H2SO4 = ZnSO4 + AsH3 + H2O =>
H3AsO4 + 4 Zn + 4 H2SO4 = 4 ZnSO4 + AsH3 + 4 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
CaBr2 + H3Po4 = Ca3(Po4)2 + HBr =>
3 CaBr2 + 2 H3Po4 = Ca3(Po4)2 + 6 HBr
Fe + (O)1587 = Fe2O3 =>
1058 Fe + (O)1587 = 529 Fe2O3
Hg2{2+} + Br{-} = Hg2Br2 =>
Hg2{2+} + 2 Br{-} = Hg2Br2
H2O2 + H2SO4 + Pb = PbSO4 + H2O =>
H2O2 + H2SO4 + Pb = PbSO4 + 2 H2O
Zn + KNO3 + H2SO4 = ZnSO4 + (NH4)SO4 + K2SO4 + H2O =>
7 Zn + 2 KNO3 + 10 H2SO4 = 7 ZnSO4 + 2(NH4)SO4 + K2SO4 + 6 H2O
CH3COOH + Na = NaCHCOO + H2 =>
2 CH3COOH + 2 Na = 2 NaCHCOO + 3 H2
CHCl3 = C + H2 + Cl2 =>
2 CHCl3 = 2 C + H2 + 3 Cl2
ZnS + Fe = Zn + FeS =>
ZnS + Fe = Zn + FeS
Cr(s) + CuSO4 = Cr2(SO4)3 + Cu(s) =>
2 Cr(s) + 3 CuSO4 = Cr2(SO4)3 + 3 Cu(s)
KI + H3PO4 = HI + K3PO4 =>
3 KI + H3PO4 = 3 HI + K3PO4
Ag(NO3) + NiCl2 = AgCl + Ni(NO3)2 =>
2 Ag(NO3) + NiCl2 = 2 AgCl + Ni(NO3)2
(CH2CH2OH2)2 + O2 = CO2 + H2O =>
(CH2CH2OH2)2 + 6 O2 = 4 CO2 + 6 H2O
Pb + Hg(NO3)2 = Hg + Pb(NO3)3 =>
2 Pb + 3 Hg(NO3)2 = 3 Hg + 2 Pb(NO3)3
Au2O3 + KNO3 = Au(NO3)3 + K2O =>
Au2O3 + 6 KNO3 = 2 Au(NO3)3 + 3 K2O
Zn + F = ZnF =>
Zn + F = ZnF
IO = I + O =>
IO = I + O
Ag + HS{-} + CrO4{2-} + H{+} = Ag2S + Cr(OH)3 + H2O =>
6 Ag + 3 HS{-} + 2 CrO4{2-} + 7 H{+} = 3 Ag2S + 2 Cr(OH)3 + 2 H2O
BaCl + CrSO4 = BaSO4 + CrCl =>
BaCl + CrSO4 = BaSO4 + CrCl
CH3NO2 + C2H4N2O6 = CO + H2O + N2 =>
4 CH3NO2 + C2H4N2O6 = 6 CO + 8 H2O + 3 N2
CH2(OH){-}CH2{-}CH2{-}CH2(OH) + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + COOH{-}CH2{-}CH2{-}COOH =>
5 CH2(OH){-}CH2{-}CH2{-}CH2(OH) + 4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 11 H2O + 5 COOH{-}CH2{-}CH2{-}COOH
RnH2 + HBr = RnH3 + Br =>
RnH2 + HBr = RnH3 + Br
P2O5 + AgOH = Ag3PO4 + H2O =>
P2O5 + 6 AgOH = 2 Ag3PO4 + 3 H2O
Ag + PO4 = Ag3PO4 =>
3 Ag + PO4 = Ag3PO4
C2H4O + Cu(OH)2 = CH3COOH + CuOH + H2O =>
C2H4O + 2 Cu(OH)2 = CH3COOH + 2 CuOH + H2O
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
NaAsO2 + I2 = IAsO2 + INa =>
NaAsO2 + I2 = IAsO2 + INa
HS2O3 = H2O + O2 + S =>
4 HS2O3 = 2 H2O + 5 O2 + 8 S
H2CO + H2O = H2CO2 + H2C(OH2) =>
2 H2CO + H2O = H2CO2 + H2C(OH2)
Mn7(ag) + (NH4)2S(ag) = (NH4)(ag) + MnS(s) =>
Mn7(ag) + 7(NH4)2S(ag) = 14(NH4)(ag) + 7 MnS(s)
FeS + H2SO4 + H2O = FeSO4*7H2O + H2S =>
FeS + H2SO4 + 7 H2O = FeSO4*7H2O + H2S
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
C(s)(graphite) + H2O(l) = C6H12O6(s) =>
6 C(s)(graphite) + 6 H2O(l) = C6H12O6(s)
MgCO3(aq) + NaOH(aq) = Mg(OH)2(aq) + Na2CO3(aq) =>
MgCO3(aq) + 2 NaOH(aq) = Mg(OH)2(aq) + Na2CO3(aq)
CH3OC6H4CH3 + O2 = CH3OC6H4CH2OH =>
2 CH3OC6H4CH3 + O2 = 2 CH3OC6H4CH2OH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(NO3)2 + H2SO4 = BaSO4 + H2(NO3)2 =>
Ba(NO3)2 + H2SO4 = BaSO4 + H2(NO3)2
NH3 + ZnI2 = Zn(NH3)2 + I2 =>
2 NH3 + ZnI2 = Zn(NH3)2 + I2
NaHS + KOH = Na2S + K2S + H2O =>
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
C2H4O2 + Al(ClO3)3 = Al(C2H3O2)3 + HClO3 =>
3 C2H4O2 + Al(ClO3)3 = Al(C2H3O2)3 + 3 HClO3
C4H10S(l) + O2(g) = CO2(g) + H2O(l) + SO3(g) =>
C4H10S(l) + 8 O2(g) = 4 CO2(g) + 5 H2O(l) + SO3(g)
KMnO4 + K2HPO3 + KOH = K2MnO4 + K3PO4 + H2O =>
2 KMnO4 + K2HPO3 + 3 KOH = 2 K2MnO4 + K3PO4 + 2 H2O
CuCO3 + H2SO4 + Al = Cu + H2O + CO2 + Al2SO4 =>
CuCO3 + H2SO4 + 2 Al = Cu + H2O + CO2 + Al2SO4
K2FeO4 + HNO3 = KNO2 + Fe(NO3)3 + H2O + O2 =>
4 K2FeO4 + 20 HNO3 = 8 KNO2 + 4 Fe(NO3)3 + 10 H2O + 7 O2
ZnCl2 + NH3 + H2O = Zn(OH)2 + NH4Cl =>
ZnCl2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4Cl
AlF3 + NaF = Na3AlF6 =>
AlF3 + 3 NaF = Na3AlF6
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