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4 SO2 + 2 Na2O = 4 NaS + 5 O2
Al + CH3OH = Al(CH3O) + H2 =>
2 Al + 2 CH3OH = 2 Al(CH3O) + H2
HgCl2 + NH4OH = Hg(NH3)2 + H2O + Cl2 =>
HgCl2 + 2 NH4OH = Hg(NH3)2 + 2 H2O + Cl2
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
K2Cr2O7 + KI + H2SO4 = Cr2SO4 + I2 + H2O + K2SO4 =>
K2Cr2O7 + 10 KI + 7 H2SO4 = Cr2SO4 + 5 I2 + 7 H2O + 6 K2SO4
Mg(s) + CuNO3(aq) = Mg(NO3)2(aq) + Cu(s) =>
Mg(s) + 2 CuNO3(aq) = Mg(NO3)2(aq) + 2 Cu(s)
KI + NaOH = INa + KOH =>
KI + NaOH = INa + KOH
CHCH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
CHCH + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 4 H2O
FeCl3 + KSCN + NaOH = Fe(OH)3 + KCl + NaSCN =>
FeCl3 + 3 KSCN + 3 NaOH = Fe(OH)3 + 3 KCl + 3 NaSCN
Cr3(PO4)2Sr = Sr(PO4)2Cr3 =>
Cr3(PO4)2Sr = Sr(PO4)2Cr3
AgNO3 + HBr = AgBr + HNO3 =>
AgNO3 + HBr = AgBr + HNO3
MgSO4 + Na2CO3 + H2O = Mg2CO3(OH)2 + Mg(HCO3)2 + Na2SO4 =>
3 MgSO4 + 3 Na2CO3 + 2 H2O = Mg2CO3(OH)2 + Mg(HCO3)2 + 3 Na2SO4
KBr(s) + AgNO3(s) = KNO3(s) + AgBr(s) =>
KBr(s) + AgNO3(s) = KNO3(s) + AgBr(s)
NH4(g) + O2(g) = NO2(g) + H2O(g) =>
NH4(g) + 2 O2(g) = NO2(g) + 2 H2O(g)
KMnO4 + H2SO4 + C6H5CH2CH3 = C6H5CH2COOH + H2O + K2SO4 + MnO2 =>
2 KMnO4 + H2SO4 + C6H5CH2CH3 = C6H5CH2COOH + 2 H2O + K2SO4 + 2 MnO2
MnO + KOH + H2O = K2[Mn(OH)4] =>
MnO + 2 KOH + H2O = K2[Mn(OH)4]
SrN + F2 = Sr2F2 + N2 =>
2 SrN + F2 = Sr2F2 + N2
FeSO4 + NaBiO3 + H2SO4 = Bi2(SO4)3 + Fe2(SO4)3 + H2O + Na2(SO4)2 =>
2 FeSO4 + 2 NaBiO3 + 6 H2SO4 = Bi2(SO4)3 + Fe2(SO4)3 + 6 H2O + Na2(SO4)2
Mn + NHO3 = Mn(NO3)2 + N2 + H2O =>
5 Mn + 12 NHO3 = 5 Mn(NO3)2 + N2 + 6 H2O
NH4OH + CuS = H2O + Cu(NH3)4S =>
4 NH4OH + CuS = 4 H2O + Cu(NH3)4S
SO3 + H2O = H2S10O31 =>
10 SO3 + H2O = H2S10O31
Al2(SO4)3 + Na2SO3 + H2O = Al(OH)3 + H2SO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 + 6 H2O = 2 Al(OH)3 + 3 H2SO3 + 3 Na2SO4
Pb + EDTA = PbEDTA =>
Pb + EDTA = PbEDTA
HCl + (NH4)2SO4 = H2SO4 + NH4Cl =>
2 HCl + (NH4)2SO4 = H2SO4 + 2 NH4Cl
HCOONa + H2SO4 = CO + NaHSO4 + H2O =>
HCOONa + H2SO4 = CO + NaHSO4 + H2O
C6H12O6 + H2O = CH3O + O2 =>
2 C6H12O6 + 6 H2O = 12 CH3O + 3 O2
S(s) + HNO3(aq) = SO2(g) + NO(g) + H2O(l) =>
3 S(s) + 4 HNO3(aq) = 3 SO2(g) + 4 NO(g) + 2 H2O(l)
AgNO3(aq) + Zn(s) = Ag(s) + Zn(NO3) =>
AgNO3(aq) + Zn(s) = Ag(s) + Zn(NO3)
Sr(OH)2 + Ba(NO3)2 = Sr(NO3)2 + Ba(OH)2 =>
Sr(OH)2 + Ba(NO3)2 = Sr(NO3)2 + Ba(OH)2
CaC2(s) + H2O(g) + CO2 = CH2CHCO2H(g) + Ca(OH)2(s) =>
6 CaC2(s) + 16 H2O(g) + 3 CO2 = 5 CH2CHCO2H(g) + 6 Ca(OH)2(s)
(CH3COO)2Cu + NaOH = CH3COONa + Cu(OH)2 =>
(CH3COO)2Cu + 2 NaOH = 2 CH3COONa + Cu(OH)2
KO + H2O = H2O2 + K =>
KO + H2O = H2O2 + K
MnBr2 + AgNO3 = Mn(NO3)2 + AgBr =>
MnBr2 + 2 AgNO3 = Mn(NO3)2 + 2 AgBr
Cu(CH3COO)2 + HCl = CuCl2 + CH3COOH =>
Cu(CH3COO)2 + 2 HCl = CuCl2 + 2 CH3COOH
KH2PO4 + Ca(OH)2 = Ca3(PO4)2 + KOH + H2O =>
2 KH2PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 2 KOH + 4 H2O
C22H22O + O2 = CO2 + H2O =>
C22H22O + 27 O2 = 22 CO2 + 11 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
P2O5 + NaOH + AgNO3 = Ag3PO4 + H2O + NaNO3 =>
P2O5 + 6 NaOH + 6 AgNO3 = 2 Ag3PO4 + 3 H2O + 6 NaNO3
Cu(OH){2} = H{2}O + CuO =>
Cu(OH){2} = H{2}O + CuO
Cd + HCl + Na2S = CdS + NaCl + H =>
Cd + 2 HCl + Na2S = CdS + 2 NaCl + 2 H
Cu + Na2S = CuS2 + Na =>
Cu + 2 Na2S = CuS2 + 4 Na
H2 + CuCl2 = Cu + HCl =>
H2 + CuCl2 = Cu + 2 HCl
Zn + (HNO3)10 = Zn(NO3)2 + N2O + H2O =>
4 Zn + (HNO3)10 = 4 Zn(NO3)2 + N2O + 5 H2O
CrOH3 + KIO3 + KOH = KI + K2Cr2O7 + H2O =>
6 CrOH3 + 7 KIO3 + 6 KOH = 7 KI + 3 K2Cr2O7 + 12 H2O
FeCl3 + KSCN + Zn = KCl + Fe + Zn(SCN)2 =>
2 FeCl3 + 6 KSCN + 3 Zn = 6 KCl + 2 Fe + 3 Zn(SCN)2
Fe(k) + HCl(aq) = FeCl2 + H2(d) =>
Fe(k) + 2 HCl(aq) = FeCl2 + H2(d)
Al2O3 + Zn + H2SO4 = AlH3 + ZnSO4 + H2O =>
Al2O3 + 6 Zn + 6 H2SO4 = 2 AlH3 + 6 ZnSO4 + 3 H2O
LiOH + HNO3 = LiO + H2NO3 =>
LiOH + HNO3 = LiO + H2NO3
Li(AlH4) + H2O = Li + Al(OH)3 + H2 =>
2 Li(AlH4) + 6 H2O = 2 Li + 2 Al(OH)3 + 7 H2
NO2 + Na(OH)2 = NaNO3 + H2O =>
NO2 + Na(OH)2 = NaNO3 + H2O
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