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2 Na + Mn{2+} = 2 Na{+} + Mn
H2SO4 + SH = H2O + S2O3 =>
8 H2SO4 + 6 SH = 11 H2O + 7 S2O3
Ag2O + NH4OH = [Ag(NH3)2]OH + H2O =>
Ag2O + 4 NH4OH = 2[Ag(NH3)2]OH + 3 H2O
XC2H3 + KMnO4 + H2SO4 = X + CO2 + K2SO4 + MnSO4 + H2O =>
10 XC2H3 + 22 KMnO4 + 33 H2SO4 = 10 X + 20 CO2 + 11 K2SO4 + 22 MnSO4 + 48 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Ni(NO3)3 + C6H8O7 = NiO + CO2 + H2 + NO2 =>
5 Ni(NO3)3 + 2 C6H8O7 = 5 NiO + 12 CO2 + 8 H2 + 15 NO2
NaHCO3 = Na2O + CO2 + H2O =>
2 NaHCO3 = Na2O + 2 CO2 + H2O
K + NHO3 = KHO3 + N =>
K + NHO3 = KHO3 + N
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Ca3(PO4)2 + H2SO4 = Ca(SO4) + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 Ca(SO4) + Ca(H2PO4)2
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O =>
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O
Al + (MnO4) = MnO2 + Al(O)3 =>
2 Al + 3(MnO4) = 3 MnO2 + 2 Al(O)3
NaCl(aq) + NaHCO3(aq) = HCl(g) + Na2CO3 =>
NaCl(aq) + NaHCO3(aq) = HCl(g) + Na2CO3
S{-2} + O2 = SO2{-2} =>
S{-2} + O2 = SO2{-2}
C5H5N + O2 = CO2 + NH3 + H2O =>
2 C5H5N + 11 O2 = 10 CO2 + 2 NH3 + 2 H2O
NaOH + CH3COOH = H2O + CO2 + Na =>
8 NaOH + CH3COOH = 6 H2O + 2 CO2 + 8 Na
Cl2 + CaN = N2 + CaCl2 =>
2 Cl2 + 2 CaN = N2 + 2 CaCl2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
B4C + NaIO4 = B2O3 + CO2 + NaI =>
B4C + 2 NaIO4 = 2 B2O3 + CO2 + 2 NaI
IHS = HI + S =>
IHS = HI + S
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
Ba + Al2O3 = BaO2 + Al =>
3 Ba + 2 Al2O3 = 3 BaO2 + 4 Al
(Al2)[S(O4)]3 + KOH = Al(OH)3 + (K2)S(O4) =>
(Al2)[S(O4)]3 + 6 KOH = 2 Al(OH)3 + 3(K2)S(O4)
HCIO3 + Ba(OH)2 = Ba(CIO3)2 + H2O =>
2 HCIO3 + Ba(OH)2 = Ba(CIO3)2 + 2 H2O
H2PtCl6 + NaBH4 + H2O = B(OH)3 + H2 + NaCl + Pt =>
H2PtCl6 + 6 NaBH4 + 18 H2O = 6 B(OH)3 + 22 H2 + 6 NaCl + Pt
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
NH3 + H3C6H5O7 = (NH4)3C6H5O7 =>
3 NH3 + H3C6H5O7 = (NH4)3C6H5O7
Al(OH)3 + Zn = Al + Zn(OH)3 =>
Al(OH)3 + Zn = Al + Zn(OH)3
XCU + HNO3 = XCU(NO3)2 + NO + H2O =>
3 XCU + 8 HNO3 = 3 XCU(NO3)2 + 2 NO + 4 H2O
(NH4)2S + COCl2 = NH4Cl + SCO =>
(NH4)2S + COCl2 = 2 NH4Cl + SCO
BaO + H2O + CO2 = Ba(HCO3)2 =>
BaO + H2O + 2 CO2 = Ba(HCO3)2
KCrO4 + BrCl = KCl + BrCrO4 =>
KCrO4 + BrCl = KCl + BrCrO4
HCl + LiOH = LiH + ClOH =>
HCl + LiOH = LiH + ClOH
MgO + Br2SO3 = MgSO3 + Br2O =>
MgO + Br2SO3 = MgSO3 + Br2O
K2SiO3 + CO2 + H2O = K2CO3 + H2SiO3 =>
K2SiO3 + CO2 + H2O = K2CO3 + H2SiO3
CaI + Hg(NO3)2 = Ca(NO3)2 + HgI =>
CaI + Hg(NO3)2 = Ca(NO3)2 + HgI
K2(SO4) + Pb(C2H3O2)4 = K(C2H3O2) + Pb(SO4)2 =>
2 K2(SO4) + Pb(C2H3O2)4 = 4 K(C2H3O2) + Pb(SO4)2
S + Ag = Ag2S2 =>
2 S + 2 Ag = Ag2S2
Na2S + Zn(NO3) = Na2(NO3) + ZnS =>
Na2S + Zn(NO3) = Na2(NO3) + ZnS
Fe(CrO2)2 + Na2CO3 + NaNO3 = CO2 + NaNO2 + Fe2O3 + Na2CrO4 =>
2 Fe(CrO2)2 + 4 Na2CO3 + 7 NaNO3 = 4 CO2 + 7 NaNO2 + Fe2O3 + 4 Na2CrO4
(NH4)2SO4 + Cr(NO2)3 = NH4NO2 + Cr2(SO4)3 =>
3(NH4)2SO4 + 2 Cr(NO2)3 = 6 NH4NO2 + Cr2(SO4)3
C + O3 = C3O2 =>
9 C + 2 O3 = 3 C3O2
BeO + H2O = Be(OH)2 =>
BeO + H2O = Be(OH)2
NH4Cl + NaC2H3O2 = NH4Na + ClC2H3O2 =>
NH4Cl + NaC2H3O2 = NH4Na + ClC2H3O2
H2S = H + S =>
H2S = 2 H + S
BaO2 + N2O3 = BaN2O3 + O2 =>
BaO2 + N2O3 = BaN2O3 + O2
Al(s) + CaCl2(s) = AlCl3(s) + Ca(s) =>
2 Al(s) + 3 CaCl2(s) = 2 AlCl3(s) + 3 Ca(s)
H2SO4 + Fe3 = FeSO4 + H2 =>
3 H2SO4 + Fe3 = 3 FeSO4 + 3 H2
I2 + CaBr2 = CaI + Br2 =>
I2 + 2 CaBr2 = 2 CaI + 2 Br2
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