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Ca(OH)2 + CO2 = CaCO3 + H2O
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
C + FeO = Fe + CO =>
C + FeO = Fe + CO
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
BaCl2(ac) + (NH4)2CO3(ac) = BaCO3(s) + NH4Cl(ac) =>
BaCl2(ac) + (NH4)2CO3(ac) = BaCO3(s) + 2 NH4Cl(ac)
HgO = Hg + O2 =>
HgO = Hg + O2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Fe + H2O = H2 + Fe3O3 =>
3 Fe + 3 H2O = 3 H2 + Fe3O3
KBr(s) + H3PO4(aq) = K3PO4(aq) + HBr(g) =>
3 KBr(s) + H3PO4(aq) = K3PO4(aq) + 3 HBr(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CH4 + Cl = CCl3 + HCl =>
CH4 + 7 Cl = CCl3 + 4 HCl
Fe + H2O = H2 + Fe4O3 =>
4 Fe + 3 H2O = 3 H2 + Fe4O3
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cr + HCl = CrCl2 + H2 =>
Cr + 2 HCl = CrCl2 + H2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2MnF6 + SbF5 = KSbF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SbF5 = 4 KSbF6 + 2 MnF3 + F2
BrO3({-}) + Sb({3+}) + H({+}) = Br({-}) + Sb({5+}) + H2O =>
BrO3({-}) + 3 Sb({3+}) + 6 H({+}) = Br({-}) + 3 Sb({5+}) + 3 H2O
MgO(s) + CO2(g) = MgCO3 =>
MgO(s) + CO2(g) = MgCO3
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Cu2(SO4) + Fe = Fe(SO4) + Cu =>
Cu2(SO4) + Fe = Fe(SO4) + 2 Cu
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
FeS2 + H2SO4 = SO2 + Fe2(SO4)3 + H2O =>
2 FeS2 + 14 H2SO4 = 15 SO2 + Fe2(SO4)3 + 14 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
FeS2 + H2SO4 = S + Fe2(SO4)3 + H2O =>
2 FeS2 + 4 H2SO4 = 5 S + Fe2(SO4)3 + 4 H2O
TiCl4(i) + Na(s) = NaCl(s) + Ti(s) =>
TiCl4(i) + 4 Na(s) = 4 NaCl(s) + Ti(s)
Cu2S + HNO3 = Cu(NO3)2 + NO + H2O + S =>
3 Cu2S + 16 HNO3 = 6 Cu(NO3)2 + 4 NO + 8 H2O + 3 S
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaOH + SO4 = Na2SO4 + H2O2 =>
2 NaOH + SO4 = Na2SO4 + H2O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
K2CO3(s) = K2O(s) + CO2(g) =>
K2CO3(s) = K2O(s) + CO2(g)
KO2(s) + H2O(s) = KOH(aq) + O2(q) =>
4 KO2(s) + 2 H2O(s) = 4 KOH(aq) + 3 O2(q)
H2O + P4O10 = H3PO4 =>
6 H2O + P4O10 = 4 H3PO4
KMnO4 + H2S + HCl = MnCl2 + SO2 + KCl3 + H2O =>
2 KMnO4 + H2S + 10 HCl = 2 MnCl2 + SO2 + 2 KCl3 + 6 H2O
KMnO4 + NaCl + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 + O =>
Na2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 4 H2O + Na2SO4 + 3 O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2O2(s) + H2O(g) + CO2(g) = NaHCO3(s) + O2(s) =>
2 Na2O2(s) + 2 H2O(g) + 4 CO2(g) = 4 NaHCO3(s) + O2(s)
Cu + Cl = CuCl2 =>
Cu + 2 Cl = CuCl2
Fe3O4 + HNO3 = NO + Fe(NO3)3 + H2O =>
3 Fe3O4 + 28 HNO3 = NO + 9 Fe(NO3)3 + 14 H2O
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Mg + HNO3 = Mg(NO3)2 + H2O + NO2 =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 H2O + 2 NO2
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