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2 Na{+} + 2 Br{-} = 2 Na + Br2
CrCl3 + NaCl03 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 NaCl03 + 16 NaOH = 2 Na2CrO4 + 15 NaCl + 8 H2O
KHS + O2 = KOH + S =>
2 KHS + O2 = 2 KOH + 2 S
Cu2S + O2 + H2O = CuO + SO4{2-} + H{+} =>
2 Cu2S + 5 O2 + 2 H2O = 4 CuO + 2 SO4{2-} + 4 H{+}
Na2Cr2O7 + H2SO4 + H2O2 = CrO5 + Na2SO4 + H2O =>
Na2Cr2O7 + H2SO4 + 4 H2O2 = 2 CrO5 + Na2SO4 + 5 H2O
NaClO + H2S = NaCl + H2SO4 =>
4 NaClO + H2S = 4 NaCl + H2SO4
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Na3N(s) + H2O(l) = NaOH(l) + NH3(g) =>
Na3N(s) + 3 H2O(l) = 3 NaOH(l) + NH3(g)
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
Ag + Hg = AgHg =>
Ag + Hg = AgHg
CH3CH2OH + CrO7{-2} + H{+} = CH3CO2H + Cr{+3} + H2O =>
9 CH3CH2OH + 4 CrO7{-2} + 20 H{+} = 9 CH3CO2H + 4 Cr{+3} + 19 H2O
Be + OH = BeO2 + H2O =>
Be + 4 OH = BeO2 + 2 H2O
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O =>
Na[Al(OH)4] + NaHSO4 = Na2SO4 + Al(OH)3 + H2O
Fe(NO3)2 + Na3Po4 = Fe3(Po4)2 + NaNO3 =>
3 Fe(NO3)2 + 2 Na3Po4 = Fe3(Po4)2 + 6 NaNO3
Zn(C2H3O2)2 = Zn + C2H3O2 =>
Zn(C2H3O2)2 = Zn + 2 C2H3O2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaBH4(s) + H2SO4(aq) = B2H6(g) + H2(g) + Na2SO4 =>
2 NaBH4(s) + H2SO4(aq) = B2H6(g) + 2 H2(g) + Na2SO4
C6N6FeK4 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO3 + H2O =>
2 C6N6FeK4 + 61 PbO2 + 136 HCl = 8 KCl + 2 FeCl3 + 61 PbCl2 + 12 CO2 + 12 HNO3 + 62 H2O
C10H8 + H2 = C10H22 =>
C10H8 + 7 H2 = C10H22
Pb(CH3COO)2 + K2Cr2O7 + H2O = PbCrO4 + CH3COOK + CH3COOH =>
2 Pb(CH3COO)2 + K2Cr2O7 + H2O = 2 PbCrO4 + 2 CH3COOK + 2 CH3COOH
ZnSO4(aq) + Li2CO3(aq) = ZnCO3(s) + Li2SO4(aq) =>
ZnSO4(aq) + Li2CO3(aq) = ZnCO3(s) + Li2SO4(aq)
Na2O(aq) + HCl(aq) = NaCl(aq) + H2O(l) =>
Na2O(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l)
Pb(NO3)2(aq) + KOH(aq) = Pb(OH)2 + K(NO3) =>
Pb(NO3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 K(NO3)
Sn(CO3)2 + Fe = Fe2(CO3)3 + Sn =>
3 Sn(CO3)2 + 4 Fe = 2 Fe2(CO3)3 + 3 Sn
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C5H12(s) + O2(g) = CO2(g) + H2O(l) =>
C5H12(s) + 8 O2(g) = 5 CO2(g) + 6 H2O(l)
Cr2(SO4)3 + Cl2 + KOH = K2CrO4 + KCl + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 6 KCl + 3 K2SO4 + 8 H2O
PBO + O = PBO4 =>
PBO + 3 O = PBO4
S(s) + CO2(g) = SO2(g) + C(s) =>
S(s) + CO2(g) = SO2(g) + C(s)
ZnSO4 + CH3COOH = (CH3COO)2Zn + H2SO4 =>
ZnSO4 + 2 CH3COOH = (CH3COO)2Zn + H2SO4
Ni(NO3)2 + Na2SO3 = Ni2(SO3)2 + NaNO3 =>
2 Ni(NO3)2 + 2 Na2SO3 = Ni2(SO3)2 + 4 NaNO3
C6H5COOH + Mg(OH)2 = H2O + Mg(C7H5O2)2 =>
2 C6H5COOH + Mg(OH)2 = 2 H2O + Mg(C7H5O2)2
Si + H2S = SiS + H2 =>
Si + H2S = SiS + H2
CuSO3 + O2 = CuO + SO3 =>
2 CuSO3 + O2 = 2 CuO + 2 SO3
Cu(NO3)2 + NaOH + HCl = Cu2Cl(OH)3 + NaNO3 + H2O =>
2 Cu(NO3)2 + 4 NaOH + HCl = Cu2Cl(OH)3 + 4 NaNO3 + H2O
ZnNO3(aq) + NaOH(aq) = ZnOH(s) + NaNO3(aq) =>
ZnNO3(aq) + NaOH(aq) = ZnOH(s) + NaNO3(aq)
OF = O2 + F2 =>
2 OF = O2 + F2
C2H5OH + KCl = C2H5Cl + KOH =>
C2H5OH + KCl = C2H5Cl + KOH
HC + Ag(OH)2 = AgC2 + H2O =>
2 HC + Ag(OH)2 = AgC2 + 2 H2O
NaOCl + KBr = NaOBr + KCl =>
NaOCl + KBr = NaOBr + KCl
Cu + S + O2 = Cu2SO4 =>
2 Cu + S + 2 O2 = Cu2SO4
C10H18O + HOCl = C10H16O + H3O + Cl =>
C10H18O + HOCl = C10H16O + H3O + Cl
Ti + Al = Ti3Al =>
3 Ti + Al = Ti3Al
NH4OH + I = NH4I + OH =>
NH4OH + I = NH4I + OH
Ca + (NH4)2CO3 = CaCO3 + (NH4)2 =>
Ca + (NH4)2CO3 = CaCO3 + (NH4)2
K2S + SO2 = K2S2O3 + S =>
2 K2S + 3 SO2 = 2 K2S2O3 + S
C7H8O2(g) + O2(g) = CO2(g) + H2O(g) =>
C7H8O2(g) + 8 O2(g) = 7 CO2(g) + 4 H2O(g)
(NH4)(NO3) + Na(OH) = Na(NO3) + (NH4) + H2O =>
9(NH4)(NO3) + 10 Na(OH) = 10 Na(NO3) + 8(NH4) + 7 H2O
NaCl + SO2 + H2O + O2 = Na2SO4 + HCl =>
4 NaCl + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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