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2 Al + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + Al2(SO4)3 + K2SO4 + 7 H2O
SO3{-2} + H2O = SO4{-2} + H{+} + {-} =>
SO3{-2} + H2O = SO4{-2} + 2 H{+} + 2e
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
Pb(NO3)2 + NiSO4 = Pb(SO4) + Ni(NO3)2 =>
Pb(NO3)2 + NiSO4 = Pb(SO4) + Ni(NO3)2
AgNO3 + NaCI = AgCI + NaNO3 =>
AgNO3 + NaCI = AgCI + NaNO3
NH4NO3(aq) + CsCl(aq) = NH4Cl(aq) + CsNO3(s) =>
NH4NO3(aq) + CsCl(aq) = NH4Cl(aq) + CsNO3(s)
Al + H2SO4 = H2S + Al2SO43 + H2O =>
2 Al + 11 H2SO4 = 10 H2S + Al2SO43 + H2O
MnO42 + SO32 = MnO2 + SO42 =>
MnO42 + 4 SO32 = MnO2 + 4 SO42
Si + O = SiO =>
Si + O = SiO
AgNO3 + K2CO3 = K2NO3 + AgCO3 =>
AgNO3 + K2CO3 = K2NO3 + AgCO3
HCO{-}{3} + H{3}O = H{2}O + CO{2} =>
HCO{-}{3} + 5 H{3}O = 6 H{2}O + CO{2}
Na3PO4 + Ca(OH)2 = Ca3(PO4)2 + NaOH =>
2 Na3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 NaOH
LiOH + Zn(NO3)2 = Zn(OH)2 + LiNO3 =>
2 LiOH + Zn(NO3)2 = Zn(OH)2 + 2 LiNO3
Cd + I = CdI2 =>
Cd + 2 I = CdI2
SO3{-2} + H2O = SO4{-2} + H2 =>
SO3{-2} + H2O = SO4{-2} + H2
N2H4(ac) + CuSO4(ac) + H2O(l) = Cu(s) + (N2H5)2SO4(ac) + O2(g) =>
4 N2H4(ac) + 2 CuSO4(ac) + 2 H2O(l) = 2 Cu(s) + 2(N2H5)2SO4(ac) + O2(g)
CuSO4 + CaCl2 = Ca3(SO4)2 + CuCl3 =>
2 CuSO4 + 3 CaCl2 = Ca3(SO4)2 + 2 CuCl3
Sn(OH)2 + Na2O = Sn(NaO)2 + H2O =>
Sn(OH)2 + Na2O = Sn(NaO)2 + H2O
C3H6 + NO = C3H3N + H2O + N2 =>
4 C3H6 + 6 NO = 4 C3H3N + 6 H2O + N2
CH3CONH2 + P2O5 = CH3CN + H3PO4 =>
3 CH3CONH2 + P2O5 = 3 CH3CN + 2 H3PO4
SnO + C = Sn + CO =>
SnO + C = Sn + CO
SO3{-2} + H2O = H2SO3 + OH{-} =>
SO3{-2} + 2 H2O = H2SO3 + 2 OH{-}
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
LiOH + Zn(NO3)2 = Zn(OH)2 + LiNO3 =>
2 LiOH + Zn(NO3)2 = Zn(OH)2 + 2 LiNO3
PbO2 + HCl = PbCl2Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2Cl2 + 2 H2O
C3H5O(CO2H)3 + OH{-} = C3H5O(CO2)3{3-} + H2O =>
C3H5O(CO2H)3 + 3 OH{-} = C3H5O(CO2)3{3-} + 3 H2O
KI + ICl3 = I2 + KCl =>
3 KI + ICl3 = 2 I2 + 3 KCl
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
BaO2 + K2CrO4 = BaCrO4 + K2O2 =>
BaO2 + K2CrO4 = BaCrO4 + K2O2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2SO3 + HCl + K2CrO4 = KCl + Na2SO4 + CrCl3 + H2O =>
3 Na2SO3 + 10 HCl + 2 K2CrO4 = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
Fe{3+} + Cl{-} = Fe{2+} + Cl2 =>
2 Fe{3+} + 2 Cl{-} = 2 Fe{2+} + Cl2
V + O = V2O3 =>
2 V + 3 O = V2O3
Sn + HNO3 = Sn(NO3)2 + NH4NO3 + H2O =>
4 Sn + 10 HNO3 = 4 Sn(NO3)2 + NH4NO3 + 3 H2O
Hg + H2SO4 = HgSO4 + H2O + SO2 =>
Hg + 2 H2SO4 = HgSO4 + 2 H2O + SO2
AgClO3 + Mn2O5 = Ag2O + Mn(ClO3)5 =>
10 AgClO3 + Mn2O5 = 5 Ag2O + 2 Mn(ClO3)5
Ca3Fe2Si3O12 + Mg3Al2Si3O12 + FeSiO3 = Ca3Al2Si3O12 + Fe2SiO4 + MgSiO3 + O2 =>
2 Ca3Fe2Si3O12 + 2 Mg3Al2Si3O12 + 4 FeSiO3 = 2 Ca3Al2Si3O12 + 4 Fe2SiO4 + 6 MgSiO3 + O2
CrBr2 + Li2C2O4 = LiBr + CrC2O4 =>
CrBr2 + Li2C2O4 = 2 LiBr + CrC2O4
H2SO3 + NaOH(aq) = Na2SO3 + H2O =>
H2SO3 + 2 NaOH(aq) = Na2SO3 + 2 H2O
SO3{-2} + H2O = HSO3{-} + OH{-} =>
SO3{-2} + H2O = HSO3{-} + OH{-}
SN + HNO3 + H2O = H2SNO3 + NO =>
3 SN + 4 HNO3 + H2O = 3 H2SNO3 + 4 NO
SO3{-2} + H2O = SO4{-2} + H2 =>
SO3{-2} + H2O = SO4{-2} + H2
PtCl4 = PtCl2 + Cl2 =>
PtCl4 = PtCl2 + Cl2
NH4CNS + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + CO2 + N2 =>
5 NH4CNS + 14 KMnO4 + 16 H2SO4 = 14 MnSO4 + 7 K2SO4 + 26 H2O + 5 CO2 + 5 N2
K + O2 = K2O =>
4 K + O2 = 2 K2O
Cu + PCl5 = CuCl2 + PCl3 =>
Cu + PCl5 = CuCl2 + PCl3
Li + Al2(Co3)3 = Li3Co3 + Al =>
9 Li + Al2(Co3)3 = 3 Li3Co3 + 2 Al
SN + HNO3 = SNO2 + NO2 + H2O =>
SN + 4 HNO3 = SNO2 + 4 NO2 + 2 H2O
V + O = VO2 =>
V + 2 O = VO2
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