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Mg + 2 HCl = MgCl2 + H2
BaSO4(aq) + Na2CO3(aq) = BaCO3 + Na2SO4 =>
BaSO4(aq) + Na2CO3(aq) = BaCO3 + Na2SO4
[Co(H2O)6]Cl2 + KNO2 + CH3COOH = K3[Co(NO2)6] + NO + CH3COOK + H2O + KCl =>
[Co(H2O)6]Cl2 + 7 KNO2 + 2 CH3COOH = K3[Co(NO2)6] + NO + 2 CH3COOK + 7 H2O + 2 KCl
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Copper + oxygen = copper(i)oxide =>
4 Cu + O2 = 2 Cu2O
Cr(s) + Cl2(g) = CrCl3(s) =>
2 Cr(s) + 3 Cl2(g) = 2 CrCl3(s)
PbS + HNO3 = S + Pb(NO3) + NO + H2O =>
3 PbS + 4 HNO3 = 3 S + 3 Pb(NO3) + NO + 2 H2O
Cu + S = CuS* =>
Cu + S = CuS*
Al2(SO4)3 + KBr = AlBr + K2(SO4)3 =>
Al2(SO4)3 + 2 KBr = 2 AlBr + K2(SO4)3
Mg(s) + H = MgH =>
Mg(s) + H = MgH
Co + S2 = Co2S3 =>
4 Co + 3 S2 = 2 Co2S3
NaOH + Zn + H2O + KNO3 = Na2Zn(OH)4 + K2Zn(OH)4 + NH3 =>
14 NaOH + 8 Zn + 12 H2O + 2 KNO3 = 7 Na2Zn(OH)4 + K2Zn(OH)4 + 2 NH3
Na(C2H3O2) + Al = Al(C2H3O2) + Na =>
Na(C2H3O2) + Al = Al(C2H3O2) + Na
HCl + As2O3 + NaNO3 + H2O = H3AsO4 + NO2 + NaCl =>
4 HCl + As2O3 + 4 NaNO3 + H2O = 2 H3AsO4 + 4 NO2 + 4 NaCl
HY = H2 + Y2 =>
2 HY = H2 + Y2
UF4 + Mg = MgF3 + U =>
3 UF4 + 4 Mg = 4 MgF3 + 3 U
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
HCl + Mn2O5 = MnCl2 + H2O + Cl2 =>
10 HCl + Mn2O5 = 2 MnCl2 + 5 H2O + 3 Cl2
H2SO3 + HI = S + I2 + H2O =>
H2SO3 + 4 HI = S + 2 I2 + 3 H2O
CH3NH2 + HCl = CH3NH3Cl =>
CH3NH2 + HCl = CH3NH3Cl
Cu + NH4OH + H2O = (NH4)2[Cu(OH)4] + H2 =>
Cu + 2 NH4OH + 2 H2O = (NH4)2[Cu(OH)4] + H2
SiO2 + C + Ca(PO4)2 = CO + CaSiO3 + P4 =>
2 SiO2 + 14 C + 2 Ca(PO4)2 = 14 CO + 2 CaSiO3 + P4
U3O8 + HNO3 = UO2(NO3)2 + NO2 + H2O =>
U3O8 + 8 HNO3 = 3 UO2(NO3)2 + 2 NO2 + 4 H2O
Si + H2 = SiH =>
2 Si + H2 = 2 SiH
VMo + Li2O = VMoO2 + Li =>
VMo + 2 Li2O = VMoO2 + 4 Li
Cu{2+}SO4{2-} + Zn{-} = Zn{2+}SO4{2-} + Cu{-} =>
Cu{2+}SO4{2-} + Zn{-} = Zn{2+}SO4{2-} + Cu{-}
Sn + HNO3 = H2SnO4 + NO2 + H2O =>
Sn + 6 HNO3 = H2SnO4 + 6 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
ZnSO4*7H2O + NaOH = Na2SO4 + Zn(OH)2 + H2O =>
ZnSO4*7H2O + 2 NaOH = Na2SO4 + Zn(OH)2 + 7 H2O
(NH4)2O + NaClO3 = NH4ClO3 + Na2O =>
(NH4)2O + 2 NaClO3 = 2 NH4ClO3 + Na2O
Bi(OH)2NO3 + HNO3 = Bi(NO3)3 + H2O =>
Bi(OH)2NO3 + 2 HNO3 = Bi(NO3)3 + 2 H2O
KNO2 + Zn + KOH + H2O = NH3 + K2Zn(OH)4 =>
KNO2 + 3 Zn + 5 KOH + 5 H2O = NH3 + 3 K2Zn(OH)4
NH4Br + AgNO3 = (NH4)2NO3 + AgBr2 =>
2 NH4Br + AgNO3 = (NH4)2NO3 + AgBr2
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
Zn(OH)2 + H3PO4 = Zn3P2O8 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3P2O8 + 6 H2O
H2S(g) + O2(g) = SO(g) + H2O(g) =>
H2S(g) + O2(g) = SO(g) + H2O(g)
HCl + Mn2O5 = MnCl2 + H2O + Cl2 =>
10 HCl + Mn2O5 = 2 MnCl2 + 5 H2O + 3 Cl2
MnO2* + HCl = MnCl2 + Cl2 + H2O =>
MnO2* + 4 HCl = MnCl2 + Cl2 + 2 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CH4 + OH = CO + H2 =>
2 CH4 + 2 OH = 2 CO + 5 H2
CH3CHCHCH3 + O2 = CO2 + H2O =>
CH3CHCHCH3 + 6 O2 = 4 CO2 + 4 H2O
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + Cr2(SO4)3 + H2O + K2SO4 =>
3 NaNO2 + K2Cr2O7 + 4 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + 4 H2O + K2SO4
P + Cl = Cl5P =>
P + 5 Cl = Cl5P
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2HPO4 = K4P2O7 + H2O =>
2 K2HPO4 = K4P2O7 + H2O
Ca(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag(s) =>
Ca(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + 2 Ag(s)
Pb + C + O = PbCO =>
Pb + C + O = PbCO
KNO3 + HCl = KCl + NO + H2O + Cl2 =>
2 KNO3 + 8 HCl = 2 KCl + 2 NO + 4 H2O + 3 Cl2
CuCl + Sn(SO4) = CuSO4 + SnCl =>
CuCl + Sn(SO4) = CuSO4 + SnCl
FeCl3 + FeSO4*7H2O + NH3 = Fe3O4 + NH4Cl + H2SO4 + H2O =>
2 FeCl3 + FeSO4*7H2O + 6 NH3 = Fe3O4 + 6 NH4Cl + H2SO4 + 3 H2O
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