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CaCO = CaO + C
KZnO2 + HCl = ZnCl2 + K(OH)2 =>
KZnO2 + 2 HCl = ZnCl2 + K(OH)2
AgNO3 + Na2S = Ag2S + NO3 + Na =>
2 AgNO3 + Na2S = Ag2S + 2 NO3 + 2 Na
CsCl + SnNo{2} = CsNo{2} + SnCl =>
CsCl + SnNo{2} = CsNo{2} + SnCl
KMnO4(s) + C3H5(OH)3(l) = K2CO3(s) + Mn2O3(s) + CO2(g) + H2O(l) =>
14 KMnO4(s) + 4 C3H5(OH)3(l) = 7 K2CO3(s) + 7 Mn2O3(s) + 5 CO2(g) + 16 H2O(l)
NaOH + H2C2O4 = Na2C2O4 + H2O =>
2 NaOH + H2C2O4 = Na2C2O4 + 2 H2O
CuSO4 + Na2SO3 = NaSO4 + Cu2SO3 =>
2 CuSO4 + Na2SO3 = 2 NaSO4 + Cu2SO3
Al + Ca(NO2)2 = Ca + Al(NO2)2 =>
Al + Ca(NO2)2 = Ca + Al(NO2)2
Ag2O + NH4NO3 + NH4OH = H2O + AgN3H6O3 =>
Ag2O + 2 NH4NO3 + 2 NH4OH = 3 H2O + 2 AgN3H6O3
C6H5C2H3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5CHOH + H2O =>
21 C6H5C2H3 + 8 K2Cr2O7 + 32 H2SO4 = 8 Cr2(SO4)3 + 8 K2SO4 + 24 C6H5CHOH + 32 H2O
KHCO3 + Ca(OH)2 = KOH + Ca(HCO3)2 =>
2 KHCO3 + Ca(OH)2 = 2 KOH + Ca(HCO3)2
Fe + H2SO4 + Fe2(O2)3 = Fe2(SO4)3 + H2O =>
2 Fe + 6 H2SO4 + Fe2(O2)3 = 2 Fe2(SO4)3 + 6 H2O
Mg(S) + O2(g) = MgO(S) =>
2 Mg(S) + O2(g) = 2 MgO(S)
Zn + OH{-} + NO3 + H2O = Zn(OH)4{2-} + NH3 =>
9 Zn + 18 OH{-} + 2 NO3 + 12 H2O = 9 Zn(OH)4{2-} + 2 NH3
N2 + HCl = NCl2 + H2 =>
N2 + 4 HCl = 2 NCl2 + 2 H2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
C + Br2 = C2Br3 =>
4 C + 3 Br2 = 2 C2Br3
KNO3(aq) = KNO2(aq) + O2(g) =>
2 KNO3(aq) = 2 KNO2(aq) + O2(g)
Ce(OH)3 = CeO2 + H2O + H2 =>
2 Ce(OH)3 = 2 CeO2 + 2 H2O + H2
H2SO4 + NaOH = (SO4)Na2 + H2O =>
H2SO4 + 2 NaOH = (SO4)Na2 + 2 H2O
C3(H8) + O2 = CO2 + H2O =>
C3(H8) + 5 O2 = 3 CO2 + 4 H2O
Mg + NaOH = MgO + H2 + Na =>
2 Mg + 2 NaOH = 2 MgO + H2 + 2 Na
CaMg(CO3)2 + HCl = CaMgCl + H(CO3)2 =>
CaMg(CO3)2 + HCl = CaMgCl + H(CO3)2
Kl + Br2 = Br2Kl =>
Kl + Br2 = Br2Kl
CrCl2 + H2SO4 = CrSO4 + HCl =>
CrCl2 + H2SO4 = CrSO4 + 2 HCl
FeS2 + HNO3 = Fe(NO3)3 + H2O + NO + SO2 =>
3 FeS2 + 20 HNO3 = 3 Fe(NO3)3 + 10 H2O + 11 NO + 6 SO2
Cl2 + C2 = Cl4C2 =>
2 Cl2 + C2 = Cl4C2
Al + NiCl2 = AlCl + Ni2 =>
4 Al + 2 NiCl2 = 4 AlCl + Ni2
FeS3 + NO3{-} + H{+} = Fe3{+} + SO4{2-} + NO + H2O =>
9 FeS3 + 55 NO3{-} + 4 H{+} = 3 Fe3{+} + 27 SO4{2-} + 55 NO + 2 H2O
CN + H2O = HCN + O2 =>
4 CN + 2 H2O = 4 HCN + O2
Co{2+} + HPO4{2-} = CoHPO4 =>
Co{2+} + HPO4{2-} = CoHPO4
Sodium + oxygen = NaO2 =>
Na + O2 = NaO2
I2 + FeSO4 = Fe2(SO4)3 + FeI3 =>
3 I2 + 6 FeSO4 = 2 Fe2(SO4)3 + 2 FeI3
PbCl2 + (CH3CO2H) = Pb(CH3CO2)2 + HCl =>
PbCl2 + 2(CH3CO2H) = Pb(CH3CO2)2 + 2 HCl
SOCl2 + Ba(OH)2 = H2SO3 + BaCl2 =>
SOCl2 + Ba(OH)2 = H2SO3 + BaCl2
Sn + K2S + H2O = K2[Sn(OH)6] + H2 + H2S =>
Sn + K2S + 6 H2O = K2[Sn(OH)6] + 2 H2 + H2S
Al + S2 = AlS =>
2 Al + S2 = 2 AlS
Ce{4+} + Cu{+} = Ce{3+} + Cu{2+} =>
Ce{4+} + Cu{+} = Ce{3+} + Cu{2+}
Ni[Fe(CN)6] + NH3 = [Ni(NH3)6][Fe(CN)6] =>
Ni[Fe(CN)6] + 6 NH3 = [Ni(NH3)6][Fe(CN)6]
Co(OH)3 + NaCl = H2O + NaOH + Na2O2 + CoCl2 =>
2 Co(OH)3 + 4 NaCl = 2 H2O + 2 NaOH + Na2O2 + 2 CoCl2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
Mo + KClO4 + KOH = K2MoO4 + KCl + H2O =>
4 Mo + 3 KClO4 + 8 KOH = 4 K2MoO4 + 3 KCl + 4 H2O
Fe + CuSO4 = Cu + FeSO4 =>
Fe + CuSO4 = Cu + FeSO4
Mo + KClO4 + KOH = K2MoO4 + KCl + H2O =>
4 Mo + 3 KClO4 + 8 KOH = 4 K2MoO4 + 3 KCl + 4 H2O
ZnSO4 + Al = Al{+3} + Zn + SO4{-2} =>
3 ZnSO4 + 2 Al = 2 Al{+3} + 3 Zn + 3 SO4{-2}
NaCl + Ag2S = Na2S + AgCl =>
2 NaCl + Ag2S = Na2S + 2 AgCl
Mn + HNO3 + H{+} = Mn{2+} + NO2 + H2O =>
Mn + 2 HNO3 + 2 H{+} = Mn{2+} + 2 NO2 + 2 H2O
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