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2 Fe + 3 Cl2 = 2 FeCl3
H2CO3 = H2O2 + CO =>
H2CO3 = H2O2 + CO
Na2S2O3 + H2O2 + H2O = Na2SO4*10H2O + Na2S3O6*3H2O =>
2 Na2S2O3 + 4 H2O2 + 9 H2O = Na2SO4*10H2O + Na2S3O6*3H2O
Cu(s) + HNO3(l) = Cu(NO3)2(s) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(l) = 3 Cu(NO3)2(s) + 2 NO(g) + 4 H2O(l)
NH4NO3(s) + KOH(s) = KNO3(aq) + H2O(l) + NH3(g) =>
NH4NO3(s) + KOH(s) = KNO3(aq) + H2O(l) + NH3(g)
SnCl2 + NaOH = Sn(OH)2 + NaCl =>
SnCl2 + 2 NaOH = Sn(OH)2 + 2 NaCl
H2Cl2 + Mg(OH)2 = MgCl2 + H2O =>
H2Cl2 + Mg(OH)2 = MgCl2 + 2 H2O
Ag + H2S + H2O = Ag2S + H3O =>
2 Ag + H2S + 2 H2O = Ag2S + 2 H3O
NaCO2 + BaOH = BaCO2 + NaOH =>
NaCO2 + BaOH = BaCO2 + NaOH
C2H6 + O2 = CO2 + H2O(unbalanced) =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O(unbalanced)
SnCl2 + NaOH = Sn(OH)2 + NaCl =>
SnCl2 + 2 NaOH = Sn(OH)2 + 2 NaCl
Pb(CH3COO)4 + NH4Cl = PbCl4 + CH3COONH4 =>
Pb(CH3COO)4 + 4 NH4Cl = PbCl4 + 4 CH3COONH4
HNO3 + N2H4 = N2 + H2O =>
4 HNO3 + 5 N2H4 = 7 N2 + 12 H2O
CaO + SiO2 + O2 = Ca3SiO9 =>
3 CaO + SiO2 + 2 O2 = Ca3SiO9
NaHCO3 + C7O2H6 = NaC7O2H5 + CO2 + H2O =>
NaHCO3 + C7O2H6 = NaC7O2H5 + CO2 + H2O
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + Na2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Cl2 + 7 H2O + K2SO4 + 3 Na2SO4 + Cr2(SO4)3
(OH)2 = O2 + H2 =>
(OH)2 = O2 + H2
Ca(NO3)2 + Zn = Zn(NO3) + Ca =>
Ca(NO3)2 + 2 Zn = 2 Zn(NO3) + Ca
Li + H2 = Li2H3 =>
4 Li + 3 H2 = 2 Li2H3
AgNO3(ac) + BaCl2(ac) = Ba(NO3)2(ac) + AgCl(s) =>
2 AgNO3(ac) + BaCl2(ac) = Ba(NO3)2(ac) + 2 AgCl(s)
CaBr2 + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + CaSO4 + K2SO4 + H2O =>
3 CaBr2 + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 3 CaSO4 + K2SO4 + 7 H2O
CH3COONa + NH4Cl = CH3COONH4 + ClNa =>
CH3COONa + NH4Cl = CH3COONH4 + ClNa
Dy(OH)3 + H2SO4 = Dy2(SO4)3 + H2O =>
2 Dy(OH)3 + 3 H2SO4 = Dy2(SO4)3 + 6 H2O
H{+} + Cu{+} + MnO4{-} = Cu{2} + MnO2 + OH{-} =>
2 H{+} + 3 Cu{+} + MnO4{-} = 3 Cu{2} + MnO2 + 2 OH{-}
Cr2O7{2}{-} + SO2 + H3O{+}{+} = Cr{3}{+} + SO4{2}{-} + H2O =>
3 Cr2O7{2}{-} + 5 SO2 + 22 H3O{+}{+} = 6 Cr{3}{+} + 5 SO4{2}{-} + 33 H2O
Cu + Pb(No3)2 = CuNo32 + Pb =>
3 Cu + 16 Pb(No3)2 = 3 CuNo32 + 16 Pb
Al(s) + FeSO4(aq) = Al2(SO4)3(aq) + Fe(s) =>
2 Al(s) + 3 FeSO4(aq) = Al2(SO4)3(aq) + 3 Fe(s)
NiCO3 = NiO + CO2 =>
NiCO3 = NiO + CO2
C(s) + S8(s) + KNO3(s) = CO2(g) + N2(g) + K2SO4(s) =>
8 C(s) + S8(s) + 16 KNO3(s) = 8 CO2(g) + 8 N2(g) + 8 K2SO4(s)
Hf + O2 + NaOH = Na4HfO4 + H2O =>
Hf + O2 + 4 NaOH = Na4HfO4 + 2 H2O
BiMoSe3 = Bi + Mo + Se =>
BiMoSe3 = Bi + Mo + 3 Se
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
PbO2 + H2O = Pb(OH)4 =>
PbO2 + 2 H2O = Pb(OH)4
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CH3Br + Na = CH3 + BrNa =>
CH3Br + Na = CH3 + BrNa
Al + NaOH + NaNO3 + H2O = Na2[Al(OH)4] + NH3 =>
4 Al + 7 NaOH + NaNO3 + 6 H2O = 4 Na2[Al(OH)4] + NH3
(Mo(CN)2)(Mn(SCN)6) = (Mo(CN)2){+} + (Mn(SCN)6){-} =>
(Mo(CN)2)(Mn(SCN)6) = (Mo(CN)2){+} + (Mn(SCN)6){-}
NH3 + K2Cr2O7 + H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 NH3 + K2Cr2O7 + 4 H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + 7 H2O
NH4(g) + O2(g) = NO(g) + H2O(l) =>
2 NH4(g) + 3 O2(g) = 2 NO(g) + 4 H2O(l)
Cu(OH)2 + AlCl3 = Al(OH)3 + CuCl2 =>
3 Cu(OH)2 + 2 AlCl3 = 2 Al(OH)3 + 3 CuCl2
C2H4 + KMnO4 + KOH = C2H4(OH)2 + K2MnO4 =>
C2H4 + 2 KMnO4 + 2 KOH = C2H4(OH)2 + 2 K2MnO4
Ca3(PO4)2(s) + H2SO4(aq) = Ca(SO4)(s) + Ca(H2PO4)2(s) =>
Ca3(PO4)2(s) + 2 H2SO4(aq) = 2 Ca(SO4)(s) + Ca(H2PO4)2(s)
RbBrO3 = RbBr + O2 =>
2 RbBrO3 = 2 RbBr + 3 O2
Ba{+2} + CO3{-2}– = BaCO3 =>
Ba{+2} + CO3{-2}– = BaCO3
Ni(NO3)2 + H2O = HNO3 + NiO =>
Ni(NO3)2 + H2O = 2 HNO3 + NiO
CH3CH3CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3CO + H2O =>
2 CH3CH3CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 2 CH3CH3CO + 7 H2O
Ba(CIO3)2 + H2SO4 = BaSO4 + HCIO3 =>
Ba(CIO3)2 + H2SO4 = BaSO4 + 2 HCIO3
Ca(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag(s) =>
Ca(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + 2 Ag(s)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
HI(aq) + Ag2CO3(s) = AgI(s) + H2O(l) + CO2(g) =>
2 HI(aq) + Ag2CO3(s) = 2 AgI(s) + H2O(l) + CO2(g)
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