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Fe3O4 + 10 HNO3 = 3 Fe(NO3)3 + 5 H2O + NO2
Cr2(CO3)3 + KOH = K[Cr(OH)4] + K2CO3 =>
Cr2(CO3)3 + 8 KOH = 2 K[Cr(OH)4] + 3 K2CO3
FeCl3 + FeS = FeCl2 + S =>
2 FeCl3 + FeS = 3 FeCl2 + S
Zn*2 = Zn =>
Zn*2 = Zn
H2O2 + Fe{2} + H3O{+} = H2O + Fe{3} =>
H2O2 + 2 Fe{2} + 2 H3O{+} = 4 H2O + 2 Fe{3}
K2S(aq) + ZnBr2(aq) = ZnS(s) + KBr(aq) =>
K2S(aq) + ZnBr2(aq) = ZnS(s) + 2 KBr(aq)
Ba(OH)2 + CH3COOH = Ba(CH3COO)2 + H2O =>
Ba(OH)2 + 2 CH3COOH = Ba(CH3COO)2 + 2 H2O
NiFe2(C2O4)2*6H2O + O2 = NiFe2O4 + H2O + CO2 =>
NiFe2(C2O4)2*6H2O + 2 O2 = NiFe2O4 + 6 H2O + 4 CO2
OP4S3 + HNO3 = H2SO4 + H3PO4 + NO2 + H2O =>
OP4S3 + 36 HNO3 = 3 H2SO4 + 4 H3PO4 + 36 NO2 + 9 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Pb3O4 + Fe{+2} + H{+} = Pb{2+} + Fe{3+} + H2O =>
Pb3O4 + 2 Fe{+2} + 8 H{+} = 3 Pb{2+} + 2 Fe{3+} + 4 H2O
Tc + HNO3 = HTcO4 + NO2 + H2O =>
Tc + 7 HNO3 = HTcO4 + 7 NO2 + 3 H2O
KClO3 + HI + H2SO4 = KHSO4 + HCl + I2*H2O =>
KClO3 + 6 HI + H2SO4 = KHSO4 + HCl + 3 I2*H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cr2Y3 = Cr + Y =>
Cr2Y3 = 2 Cr + 3 Y
Al2 + PbO = Al2O3 + Pb3 =>
Al2 + 3 PbO = Al2O3 + Pb3
CrCl3 + Cl2 + KOH = K2CrO4 + KCl + H2O =>
2 CrCl3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 12 KCl + 8 H2O
AgBr + OH{-} = O2 + H2O + Ag + Br{-} =>
4 AgBr + 4 OH{-} = O2 + 2 H2O + 4 Ag + 4 Br{-}
AlBr3 + Cl = Al(Cl3)3 + Br =>
AlBr3 + 9 Cl = Al(Cl3)3 + 3 Br
HC2H3O2(aq) + Ca(OH)2(aq) = Ca(C2H3O2)2(aq) + H2O(l) =>
2 HC2H3O2(aq) + Ca(OH)2(aq) = Ca(C2H3O2)2(aq) + 2 H2O(l)
Ce(IO3)4 + H2C2O2 = Ce2C2O4 + I2 + CO2 + H2O =>
2 Ce(IO3)4 + 8 H2C2O2 = Ce2C2O4 + 4 I2 + 14 CO2 + 8 H2O
Na2Cr2O7 + NaI + NHO3 = Cr(NO3)3 + I2 + H2O + NaNO3 =>
Na2Cr2O7 + 6 NaI + 14 NHO3 = 2 Cr(NO3)3 + 3 I2 + 7 H2O + 8 NaNO3
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
C2H5OH + HI = C2H5I + H2O =>
C2H5OH + HI = C2H5I + H2O
(NH4)2SO4 + Pb(OH)2 = H2O + NH3 + PbSO4 =>
(NH4)2SO4 + Pb(OH)2 = 2 H2O + 2 NH3 + PbSO4
V{3} + MnO4 + H2O = VO{2} + Mn{2} + H{+} =>
6 V{3} + MnO4 + 2 H2O = 6 VO{2} + Mn{2} + 4 H{+}
Al(NO3)3 + (NH4)2SO4 = Al2(SO4)3 + (NH4)(NO3) =>
2 Al(NO3)3 + 3(NH4)2SO4 = Al2(SO4)3 + 6(NH4)(NO3)
Sn + Zn2(Cr2O7)2 = Zn + Sn(Cr2O7)2 =>
Sn + Zn2(Cr2O7)2 = 2 Zn + Sn(Cr2O7)2
Zn + HNO3 = Zn(NO3)2 + N + H2O =>
5 Zn + 12 HNO3 = 5 Zn(NO3)2 + 2 N + 6 H2O
AgF + Na2S2O3 = Na3(Ag(S2O3)2) + NaF =>
AgF + 2 Na2S2O3 = Na3(Ag(S2O3)2) + NaF
Br2 + KY = Y + KBr =>
Br2 + 2 KY = 2 Y + 2 KBr
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2O(l)
NaI + NO3 = NaO3 + IN =>
NaI + NO3 = NaO3 + IN
Li3PO4 + AgNO3 = AgLi + (NO3)3PO4 =>
Li3PO4 + 3 AgNO3 = 3 AgLi + (NO3)3PO4
PbS(s) + O2(g) = PbO(s) + SO2(g) = H2S(g) + O2(g) = S(s) + H2O =>
2 PbS(s) + 3 O2(g) = 2 PbO(s) + 2 SO2(g)
CH3COOH + SOCl2 = CH3COCl + SOClOH =>
CH3COOH + SOCl2 = CH3COCl + SOClOH
C7H6O3 + NaOH = NaC7H5O3 + H2O =>
C7H6O3 + NaOH = NaC7H5O3 + H2O
Mg(CH3COO)2 + NaOH = CH3COONa + Mg(OH)2 =>
Mg(CH3COO)2 + 2 NaOH = 2 CH3COONa + Mg(OH)2
HCl + NaHCO3 = CO2 + H2O + NaCl(aqu) =>
HCl + NaHCO3 = CO2 + H2O + NaCl(aqu)
TiSO4 + Na3PO4 = Na3SO4 + TiPO4 =>
TiSO4 + Na3PO4 = Na3SO4 + TiPO4
C8H9NO2 + C6H16O2 = C12H17NO2 + H2O =>
3 C8H9NO2 + 2 C6H16O2 = 3 C12H17NO2 + 4 H2O
Mo + NaOH + KNO3 = Na2MoO4 + KNO2 + H2O =>
Mo + 2 NaOH + 3 KNO3 = Na2MoO4 + 3 KNO2 + H2O
Al + KNO3 = N2 + K2O + Al2O3 =>
10 Al + 6 KNO3 = 3 N2 + 3 K2O + 5 Al2O3
K2Cr2O7 + H2SO4 + Fe(NH4)2(SO4)2 = Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 Fe(NH4)2(SO4)2 = 3 Fe2(SO4)3 + K2SO4 + 6(NH4)2SO4 + Cr2(SO4)3 + 7 H2O
CH4 + O2 = CO3 + H3O =>
6 CH4 + 13 O2 = 6 CO3 + 8 H3O
C6H6S2 + O2 = CO2 + H2O + SO4 =>
2 C6H6S2 + 23 O2 = 12 CO2 + 6 H2O + 4 SO4
Na2CO3 + CrCl2 = CrCO3 + Na2Cl2 =>
Na2CO3 + CrCl2 = CrCO3 + Na2Cl2
AlCl3 + NH4Br = NH4Cl + AlBr3 =>
AlCl3 + 3 NH4Br = 3 NH4Cl + AlBr3
C2H5OH + Cr2O72 = CH3CO2H + Cr + H =>
72 C2H5OH + Cr2O72 = 72 CH3CO2H + 2 Cr + 144 H
Pt + H2O = H2 + PtOH =>
2 Pt + 2 H2O = H2 + 2 PtOH
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