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2 P2O5 = 4 P + 5 O2
Ca(HCO3)2 = CaO + H2O + CO2 =>
Ca(HCO3)2 = CaO + H2O + 2 CO2
S2O3{-2} + BrO3{-} + H{+} = S4O6{-2} + H2O + Br{-} =>
6 S2O3{-2} + BrO3{-} + 6 H{+} = 3 S4O6{-2} + 3 H2O + Br{-}
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
KClO3 + HCl = KCl + Cl2 + H2O =>
KClO3 + 6 HCl = KCl + 3 Cl2 + 3 H2O
KBr + Cl2 = KCl + Br =>
2 KBr + Cl2 = 2 KCl + 2 Br
ammoniumsulfate + sodiumhydroxide = sodiumsulfate + ammonia + water =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
Ba(OH)2 + H3PO4 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + 2 H3PO4 = Ba3(PO4)2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
sodiumbicarbonate = sodiumcarbonate + carbondioxide + water =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cu(NO3)2 + CH3COOH = Cu(CH3COO)2 + HNO3 =>
Cu(NO3)2 + 2 CH3COOH = Cu(CH3COO)2 + 2 HNO3
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Ca3P2 + HCl = PH3 + CaCl2 =>
Ca3P2 + 6 HCl = 2 PH3 + 3 CaCl2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Zn(NO3)2 + CH3COOH = Zn(CH3COO)2 + HNO3 =>
Zn(NO3)2 + 2 CH3COOH = Zn(CH3COO)2 + 2 HNO3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
C10H8 + O2 = H2O + CO2 =>
C10H8 + 12 O2 = 4 H2O + 10 CO2
SiCl4(i) + H2O(i) = SiO2(s) + HCl(aq) =>
SiCl4(i) + 2 H2O(i) = SiO2(s) + 4 HCl(aq)
Pb(NO3)2 + CH3COOH = Pb(CH3COO)2 + HNO3 =>
Pb(NO3)2 + 2 CH3COOH = Pb(CH3COO)2 + 2 HNO3
Cu + Ag{+} = Ag + Cu2{+} =>
2 Cu + Ag{+} = Ag + Cu2{+}
H2S + Cl2 = HCl + S2 =>
2 H2S + 2 Cl2 = 4 HCl + S2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H{+} + BrO3{-} + Cl2({-}) = BrO2 + H2O + Cl =>
2 H{+} + BrO3{-} + Cl2({-}) = BrO2 + H2O + 2 Cl
Ni(NO3)2 + CH3COOH = Ni(CH3COO)2 + HNO3 =>
Ni(NO3)2 + 2 CH3COOH = Ni(CH3COO)2 + 2 HNO3
Fe + HCl = HFeCl4 + H2 =>
2 Fe + 8 HCl = 2 HFeCl4 + 3 H2
SO2 + O2� = SO3 =>
2 SO2 + O2� = 2 SO3
Fe(NO3)2 + CH3COOH = Fe(CH3COO)2 + HNO3 =>
Fe(NO3)2 + 2 CH3COOH = Fe(CH3COO)2 + 2 HNO3
Mg(CH3COO)2 + (NH4)2S = MgS + C2H3O2NH4 =>
Mg(CH3COO)2 + (NH4)2S = MgS + 2 C2H3O2NH4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HCl + CeO2 = H2O2 + CeCl3 + H2O =>
6 HCl + 2 CeO2 = H2O2 + 2 CeCl3 + 2 H2O
CH3COOH + NH4OH = CH3COONH4 + H2O =>
CH3COOH + NH4OH = CH3COONH4 + H2O
H2O + F2 = HF + O2 =>
2 H2O + 2 F2 = 4 HF + O2
Mg(No3)2 + NaOH = Mg(OH)2 + NaNo3 =>
Mg(No3)2 + 2 NaOH = Mg(OH)2 + 2 NaNo3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CuFeS2 + O2 = Cu + FeO + SO2 =>
2 CuFeS2 + 5 O2 = 2 Cu + 2 FeO + 4 SO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca + HNO3 = H2 + CaNO3 =>
2 Ca + 2 HNO3 = H2 + 2 CaNO3
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
H2SO4 + Fe = Fe2(SO4)3 + H2SO3 + H2O =>
6 H2SO4 + 2 Fe = Fe2(SO4)3 + 3 H2SO3 + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2SO3 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 H2SO3 + 3 H2O
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Ca(NO3)2 = CaO + O2 + NO2 =>
2 Ca(NO3)2 = 2 CaO + O2 + 4 NO2
Ca + HNO3 = H2 + CaNO3 =>
2 Ca + 2 HNO3 = H2 + 2 CaNO3
H2SO4 + C = CO2 + SO2 + H2O =>
2 H2SO4 + C = CO2 + 2 SO2 + 2 H2O
K2SO4(aq) + CaI2(aq) = CaSO4(s) + KI(aq) =>
K2SO4(aq) + CaI2(aq) = CaSO4(s) + 2 KI(aq)
CaSO4 + HBr = HSO4 + CaBr =>
CaSO4 + HBr = HSO4 + CaBr
K2O + H2SO4 = K2SO4 + H2O =>
K2O + H2SO4 = K2SO4 + H2O
CuCO3 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 HNO3 = Cu(NO3)2 + H2O + CO2
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