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2 H2S + 3 O2 = 2 SO2 + 2 H2O
Cr(OH)3 + K2O = Cr2O3 + KOH =>
2 Cr(OH)3 + 3 K2O = Cr2O3 + 6 KOH
BeCl2 + K2CO3 + H2O = (BeOH)2CO3 + KCl + KHCO3 =>
2 BeCl2 + 3 K2CO3 + 2 H2O = (BeOH)2CO3 + 4 KCl + 2 KHCO3
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
S2Cl2 + H2O = H2SO3 + HCl + S8 =>
16 S2Cl2 + 24 H2O = 8 H2SO3 + 32 HCl + 3 S8
Магний + азот = нитридмагния =>
3 Mg + N2 = Mg3N2
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2O + P2O5 = HPO3 =>
H2O + P2O5 = 2 HPO3
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
AgNO3 + C6H5O7Na3 + H2O = Ag + NaNO3 + C6H5O7H3 + O2 =>
12 AgNO3 + 4 C6H5O7Na3 + 6 H2O = 12 Ag + 12 NaNO3 + 4 C6H5O7H3 + 3 O2
MgSO4 + KOH = MgSO4KOH =>
MgSO4 + KOH = MgSO4KOH
Ra + H2O = Ra(HO)2 + H2 =>
Ra + 2 H2O = Ra(HO)2 + H2
Na2SO4 + Au = AuSO4 + Na =>
Na2SO4 + Au = AuSO4 + 2 Na
S8(s) + Cu = Cu2S(s) =>
S8(s) + 16 Cu = 8 Cu2S(s)
Mg(OH)2 + NHO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 NHO3 = Mg(NO3)2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca(OH)2 = Ca + OH =>
Ca(OH)2 = Ca + 2 OH
K + O2 + H2 = KOH =>
2 K + O2 + H2 = 2 KOH
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
Ba(NO3)2 + H2 = BaO + NH3 + H2O =>
Ba(NO3)2 + 8 H2 = BaO + 2 NH3 + 5 H2O
F2 + NiI2 = I + NiF2 =>
F2 + NiI2 = 2 I + NiF2
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Se + Br = SeBr =>
Se + Br = SeBr
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
HOCH2CH2CH2CH2OH + KMnO4 + H2SO4 = HOOCCH2CH2COOH + MnSO4 + K2SO4 + H2 =>
4 HOCH2CH2CH2CH2OH + 2 KMnO4 + 3 H2SO4 = 4 HOOCCH2CH2COOH + 2 MnSO4 + K2SO4 + 11 H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ge + S = Ge2S4 =>
2 Ge + 4 S = Ge2S4
Ni(NO3)2 + NH4SCN = Ni(SCN)2 + NH4NO3 =>
Ni(NO3)2 + 2 NH4SCN = Ni(SCN)2 + 2 NH4NO3
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
HCl + O2 = H2O*Cl2 =>
4 HCl + O2 = 2 H2O*Cl2
NaC2H2O2 + HCl = NaCl + HC2H2O2 =>
NaC2H2O2 + HCl = NaCl + HC2H2O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
HOCH2CH2CH2CH2OH + KMnO4 + H2SO4 = HOOCCH2CH2COOH + MnSO4 + K2SO4 + H2 =>
4 HOCH2CH2CH2CH2OH + 2 KMnO4 + 3 H2SO4 = 4 HOOCCH2CH2COOH + 2 MnSO4 + K2SO4 + 11 H2
Mn + H2SO4 = MnSO4 + S + H2O =>
3 Mn + 4 H2SO4 = 3 MnSO4 + S + 4 H2O
SnCl4 + AgNO3 = AgCl + Sn(NO3)4 =>
SnCl4 + 4 AgNO3 = 4 AgCl + Sn(NO3)4
Bi(OH)3 + HNO3 = Bi(NO3)3 + H2O =>
Bi(OH)3 + 3 HNO3 = Bi(NO3)3 + 3 H2O
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
Ni(NO3)2 + HClO4 = HNO3 + Ni(ClO4)2 =>
Ni(NO3)2 + 2 HClO4 = 2 HNO3 + Ni(ClO4)2
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
Алюминий + кислород = оксидалюминия =>
4 Al + 3 O2 = 2 Al2O3
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
(NH4)2S(aq) + ZnCl2(aq) = (NH4)2Cl2(s) + ZnS(s) =>
(NH4)2S(aq) + ZnCl2(aq) = (NH4)2Cl2(s) + ZnS(s)
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
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