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PbS(s) + 4 H2O2(ac) = PbSO4 + 4 H2O(g)
Al + Cl{2} = AlCl{2} =>
Al + Cl{2} = AlCl{2}
Fe(SCN)3 + NaF = Na(SCN)3 + FeF =>
Fe(SCN)3 + NaF = Na(SCN)3 + FeF
Al + H2O + NaCl + CaSO4 = Al2(SO4)3 + Na2SO4 + HCl + CaOH =>
2 Al + 6 H2O + 6 NaCl + 6 CaSO4 = Al2(SO4)3 + 3 Na2SO4 + 6 HCl + 6 CaOH
SeO4 + C3H8O3 = SeO3 + CO2 + H2O =>
7 SeO4 + C3H8O3 = 7 SeO3 + 3 CO2 + 4 H2O
Ca + HNO3 = CaNO3 + NO2 + H2O =>
Ca + 2 HNO3 = CaNO3 + NO2 + H2O
Pb(C2H3O2)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(C2H3O2)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
AgMnO4 + H + HNO3 = Ag + Mn(NO3)2 + H2O =>
AgMnO4 + 6 H + 2 HNO3 = Ag + Mn(NO3)2 + 4 H2O
Al(k) + NaNO3(aq) + NaOH(aq) + H2O(s) = Na[Al(OH)4](aq) + NH3(d) =>
8 Al(k) + 3 NaNO3(aq) + 5 NaOH(aq) + 18 H2O(s) = 8 Na[Al(OH)4](aq) + 3 NH3(d)
Al + O2 = AlO3 =>
2 Al + 3 O2 = 2 AlO3
Br2 + K2I = KBr + I2 =>
2 Br2 + 2 K2I = 4 KBr + I2
C6H6 + NH4Al(SO4)2*12H2O = C4H5 + N(C2H5) + Al(SO4)2*12HOH =>
C6H6 + NH4Al(SO4)2*12H2O = C4H5 + N(C2H5) + Al(SO4)2*12HOH
O3 + MnO2 + NaOH = Na2MnO4 + H2O =>
O3 + 3 MnO2 + 6 NaOH = 3 Na2MnO4 + 3 H2O
SO2 + SeO2 + H2O = SO4{2-} + Se + H{+} =>
2 SO2 + SeO2 + 2 H2O = 2 SO4{2-} + Se + 4 H{+}
HCH2CHCO + NaOH = H2O + NaCH2CHCO =>
HCH2CHCO + NaOH = H2O + NaCH2CHCO
A1 + CuBr2 = A1Br3 + Cu =>
2 A1 + 3 CuBr2 = 2 A1Br3 + 3 Cu
(NH4)2SO3 = N2H8 + SO3 =>
(NH4)2SO3 = N2H8 + SO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
K + BaCl2 = KCl + Ba =>
2 K + BaCl2 = 2 KCl + Ba
CHCl3 + Zn + H2O = CH4 + Zn(OH)Cl =>
CHCl3 + 3 Zn + 3 H2O = CH4 + 3 Zn(OH)Cl
HAc + NaOH = HOH + NaAc =>
HAc + NaOH = HOH + NaAc
Sr(NO3)2(aq) + NaOH(aq) = Sr(OH)2(s) + NaNO3(aq) =>
Sr(NO3)2(aq) + 2 NaOH(aq) = Sr(OH)2(s) + 2 NaNO3(aq)
WO4{2-} + SnCl2 + H{+} = (WO)2(WO4)3 + SnO2 + Cl{-} + H2O =>
5 WO4{2-} + SnCl2 + 8 H{+} = (WO)2(WO4)3 + SnO2 + 2 Cl{-} + 4 H2O
MnO + H2O = H2MnO2 =>
MnO + H2O = H2MnO2
Fe + HCI = FeCI + H2 =>
2 Fe + 2 HCI = 2 FeCI + H2
AgNO3(aq) + NaBr(aq) = AgBr(s) + NaNO3(aq) =>
AgNO3(aq) + NaBr(aq) = AgBr(s) + NaNO3(aq)
Cr2O3 + H2O + NaOH = Na[Cr(OH)6] + H2 =>
Cr2O3 + 7 H2O + 2 NaOH = 2 Na[Cr(OH)6] + 2 H2
Fe(OH)3 + HMnO4 = Fe(MnO4)3 + H2O =>
Fe(OH)3 + 3 HMnO4 = Fe(MnO4)3 + 3 H2O
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
PH3 + ZnCl2 = Zn(PH3Cl)2 =>
2 PH3 + ZnCl2 = Zn(PH3Cl)2
CaCl(ClO3)2 = CaCl3 + O2 =>
CaCl(ClO3)2 = CaCl3 + 3 O2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
(KHSO4) + KOH = K2SO4 + H2O =>
(KHSO4) + KOH = K2SO4 + H2O
FeS + SiC + O2 = Fe2SiO4 + SO2 + CO2 =>
2 FeS + SiC + 5 O2 = Fe2SiO4 + 2 SO2 + CO2
FeCl3 + KSCN = K3(Fe((SCN)6)) + KCl =>
FeCl3 + 6 KSCN = K3(Fe((SCN)6)) + 3 KCl
H2CO3 + KOH = K2CO3 + H2O =>
H2CO3 + 2 KOH = K2CO3 + 2 H2O
CoCl2 + KNO2 + CH3COOH = K3[Co(NO2)6] + KCl + CH3COOK + NO + H2O =>
CoCl2 + 7 KNO2 + 2 CH3COOH = K3[Co(NO2)6] + 2 KCl + 2 CH3COOK + NO + H2O
CaCl2 + HCl = Ca + Cl2HCl =>
CaCl2 + HCl = Ca + Cl2HCl
Fe(OH)3 + NiCrO4 = Ni(OH)2 + Fe2(CrO4)3 =>
2 Fe(OH)3 + 3 NiCrO4 = 3 Ni(OH)2 + Fe2(CrO4)3
P4 + Ca = Ca3P3 =>
3 P4 + 12 Ca = 4 Ca3P3
NOH + H3PO4 = N3PO4 + H2O =>
3 NOH + H3PO4 = N3PO4 + 3 H2O
K3PO4 + AgNO3 = Ag3PO4 + KNO3 =>
K3PO4 + 3 AgNO3 = Ag3PO4 + 3 KNO3
KOH(aq) + HNO3(aq) = H2O(l) + KNO3(aq) =>
KOH(aq) + HNO3(aq) = H2O(l) + KNO3(aq)
Cl{-} + KMnO4{-} + H3O{+} = Cl2 + Mn + K + H2O =>
14 Cl{-} + 2 KMnO4{-} + 16 H3O{+} = 7 Cl2 + 2 Mn + 2 K + 24 H2O
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
Li + MgBr2 = LiBr + Mg =>
2 Li + MgBr2 = 2 LiBr + Mg
F2 + Zn = F{-} + Zn2{+} =>
F2 + 4 Zn = 2 F{-} + 2 Zn2{+}
K3PO4 + AgNO3 = Ag3PO4 + KNO3 =>
K3PO4 + 3 AgNO3 = Ag3PO4 + 3 KNO3
HgCl = Hg + HgCl2 =>
2 HgCl = Hg + HgCl2
Pb3O4 + KOH + H2O = K2[Pb(OH)4] + K2[Pb(OH)6] =>
Pb3O4 + 6 KOH + 4 H2O = 2 K2[Pb(OH)4] + K2[Pb(OH)6]
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