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2 NH3 + 3 CoCl2 = 2 NCl3 + 3 CoH2
ZnS + Cu = CuS + Zn =>
ZnS + Cu = CuS + Zn
HCOOH = CH4 + CO2 + H2O =>
4 HCOOH = CH4 + 3 CO2 + 2 H2O
CuCl2(aq) + NH3(aq) + H2O(l) = [Cu(NH3)4(H2O)2]2 + NH4Cl + OH =>
2 CuCl2(aq) + 12 NH3(aq) + 8 H2O(l) = [Cu(NH3)4(H2O)2]2 + 4 NH4Cl + 4 OH
CaCl2 + Na2S = NaCl + Ca2S2 =>
2 CaCl2 + 2 Na2S = 4 NaCl + Ca2S2
Al2S3 + HOH = Al(OH)3 + H2S =>
Al2S3 + 6 HOH = 2 Al(OH)3 + 3 H2S
Cu2O(s) + C(s) = Cu(s) + CO2(g) =>
2 Cu2O(s) + C(s) = 4 Cu(s) + CO2(g)
Fe(OH)2 + Na2CO3 = FeCO3 + Na(OH) =>
Fe(OH)2 + Na2CO3 = FeCO3 + 2 Na(OH)
CO2 + H = CH3OH + H2O =>
CO2 + 6 H = CH3OH + H2O
AlP + H2O = Al2O3*3H2O + PH3 =>
2 AlP + 6 H2O = Al2O3*3H2O + 2 PH3
Li + RbI = LiI + Rb =>
Li + RbI = LiI + Rb
Ni(NO3)2 + Na2CrO4 = NiCrO4 + Na2(NO3)2 =>
Ni(NO3)2 + Na2CrO4 = NiCrO4 + Na2(NO3)2
Hg(NO3)2 + H2SO4 = HgSO4 + HNO3 =>
Hg(NO3)2 + H2SO4 = HgSO4 + 2 HNO3
Ag + NH4OH = AgOH + NH4 =>
Ag + NH4OH = AgOH + NH4
Fe(NO3)3 + HCl = FeCl3 + HNO3 =>
Fe(NO3)3 + 3 HCl = FeCl3 + 3 HNO3
C3H8 + O2(g) = CO2(g) + H2O =>
C3H8 + 5 O2(g) = 3 CO2(g) + 4 H2O
Me + HNO3 = Me(NO3)2 + NO2 + H2O =>
Me + 4 HNO3 = Me(NO3)2 + 2 NO2 + 2 H2O
ZnI2 + Ca(OH)2 = Zn(OH)2 + CaI2 =>
ZnI2 + Ca(OH)2 = Zn(OH)2 + CaI2
Cu + Ag2S = CuS + Ag =>
Cu + Ag2S = CuS + 2 Ag
C2H7NO2 + AgNO3 = (NH4)(NO3) + AgC2H3O2 =>
C2H7NO2 + AgNO3 = (NH4)(NO3) + AgC2H3O2
HBr + NH3 = NH4 + Br2 =>
2 HBr + 2 NH3 = 2 NH4 + Br2
KCl = K(Cl) =>
KCl = K(Cl)
NO2 + Cr2O7 = Cr + NO3 =>
7 NO2 + Cr2O7 = 2 Cr + 7 NO3
Me + HNO3 = Me(NO3)2 + NO2 + H2O =>
Me + 4 HNO3 = Me(NO3)2 + 2 NO2 + 2 H2O
CuCl2(aq) + NH3(aq) + H2O(l) = [Cu(NH3)4(H2O)2] + NH4Cl + OH =>
CuCl2(aq) + 6 NH3(aq) + 4 H2O(l) = [Cu(NH3)4(H2O)2] + 2 NH4Cl + 2 OH
C3H6 + KMnO4 + H2SO4 = C2H4O2 + K2SO4 + MnSO4 + H2O =>
10 C3H6 + 12 KMnO4 + 18 H2SO4 = 15 C2H4O2 + 6 K2SO4 + 12 MnSO4 + 18 H2O
C5H8 + H2 = C5H10 =>
C5H8 + H2 = C5H10
Cl + KBr = ClBr + K =>
Cl + KBr = ClBr + K
Si + NaH = Na4Si4 + H2 =>
4 Si + 4 NaH = Na4Si4 + 2 H2
K2HPO4 + H2O = K2O + H3PO4 =>
K2HPO4 + H2O = K2O + H3PO4
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Mg(ClO4)2 + H2O = HClO4 + MgO =>
Mg(ClO4)2 + H2O = 2 HClO4 + MgO
CuO + KOH = K2CuO2 + H2O =>
CuO + 2 KOH = K2CuO2 + H2O
NaCH3COO + H2SO4 = Na2SO4 + CH3COOH =>
2 NaCH3COO + H2SO4 = Na2SO4 + 2 CH3COOH
C6H12 + Cl2 = C + HCl =>
C6H12 + 6 Cl2 = 6 C + 12 HCl
H3PO4 = P2O5 + H2O =>
2 H3PO4 = P2O5 + 3 H2O
NH4NO3 + CsOH = CsNO3 + NH3 + H2O =>
NH4NO3 + CsOH = CsNO3 + NH3 + H2O
Na2S2O5 + Cl2 + H2O = Na2SO4 + HCl + H2SO4 =>
Na2S2O5 + 2 Cl2 + 3 H2O = Na2SO4 + 4 HCl + H2SO4
HCOOH + CuCO3 = (HCOO)2Cu + CO2 + H2O =>
2 HCOOH + CuCO3 = (HCOO)2Cu + CO2 + H2O
C8H8(l) + O2(g) = CO2(g) + H2O(l) =>
C8H8(l) + 10 O2(g) = 8 CO2(g) + 4 H2O(l)
H3PO3 + NaOH = Na2HPO3 + H2O =>
H3PO3 + 2 NaOH = Na2HPO3 + 2 H2O
BaCl2 + Na2C6O6 = Ba2(C6O6)2 + NaCl =>
2 BaCl2 + 2 Na2C6O6 = Ba2(C6O6)2 + 4 NaCl
Al2O3 + SiO2 = Al2SiO5 =>
Al2O3 + SiO2 = Al2SiO5
NaOH + Ca(OH)2 = NaCa + OH =>
NaOH + Ca(OH)2 = NaCa + 3 OH
K2MnO4 + H2O = KMnO4 + KOH + H2 =>
2 K2MnO4 + 2 H2O = 2 KMnO4 + 2 KOH + H2
Cl2 + RbI = RbCl + I2 =>
Cl2 + 2 RbI = 2 RbCl + I2
CaS(s) + HNO3(aq) = Ca(NO3)2(aq) + H2S(g) =>
CaS(s) + 2 HNO3(aq) = Ca(NO3)2(aq) + H2S(g)
Cd + HNO3 = Cd(NO3)2 + NH4NO3 + H2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + NH4NO3 + 3 H2O
Na2[Zn(OH)4] + H2S = ZnS + NaHS + H2O =>
Na2[Zn(OH)4] + 3 H2S = ZnS + 2 NaHS + 4 H2O
IBr3 + F2 = IF5 + Br2 =>
2 IBr3 + 5 F2 = 2 IF5 + 3 Br2
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