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CuS + NaOH = CuOH + NaS
SeS2 + H2O = SeO2 + H2S =>
SeS2 + 2 H2O = SeO2 + 2 H2S
CH3CH2OH + Na2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + Na2SO4 + H2O =>
3 CH3CH2OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
(NH4)3PO4 + hydrochloricacid = ammoniumchloride + phosphoricacid =>
(NH4)3PO4 + 3 HCl = 3 NH4Cl + H3PO4
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
aceticacid + calciumhydroxide = Ca(C2H3O2)2 + water =>
2 C2H4O2 + Ca(OH)2 = Ca(C2H3O2)2 + 2 H2O
OCS = CO + S =>
OCS = CO + S
NA + I2 = NAI =>
2 NA + I2 = 2 NAI
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
PbO2 + I2 = Pb{+2} + IO3{-3} =>
3 PbO2 + I2 = 3 Pb{+2} + 2 IO3{-3}
Cd + HCl = CdCl + H2 =>
2 Cd + 2 HCl = 2 CdCl + H2
OCS = CO + S8 =>
8 OCS = 8 CO + S8
CuCl2 + lead = PbCl2 + Copper =>
CuCl2 + Pb = PbCl2 + Cu
Na2B4O7 + H2O = NaBO2 + H3BO3 =>
Na2B4O7 + 3 H2O = 2 NaBO2 + 2 H3BO3
OCS = CO + S2 =>
2 OCS = 2 CO + S2
SeS2 + H2O2 = SeO4 + H2S =>
SeS2 + 2 H2O2 = SeO4 + 2 H2S
N2 + I2 = NI3 =>
N2 + 3 I2 = 2 NI3
FeS + sulfuricacid = hydrogensulfide + FeSO4 =>
FeS + H2SO4 = H2S + FeSO4
Pb + CuCl2 = PbCl + Cu =>
2 Pb + CuCl2 = 2 PbCl + Cu
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Fe2O3 + carbon = iron + carbondioxide =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CO2(g) + H2O(l) = C12H22O11(s) + O2(g) =>
12 CO2(g) + 11 H2O(l) = C12H22O11(s) + 12 O2(g)
NH4OH + HNO3 = NH4NO3 + H20 =>
15 NH4OH + 5 HNO3 = 10 NH4NO3 + 2 H20
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NaBO2 + H2O = H3BO3 + NaOH =>
NaBO2 + 2 H2O = H3BO3 + NaOH
iron + sulfur = Fe2S3 =>
2 Fe + 3 S = Fe2S3
KCLO3 + Na2SO3 = KCL + Na2SO4степеньокисления =>
KCLO3 + 3 Na2SO3 = KCL + 3 Na2SO4степеньокисления
copper + oxygen = CuO =>
2 Cu + O2 = 2 CuO
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
CH3OH + O2 = CH2O + H2O =>
2 CH3OH + O2 = 2 CH2O + 2 H2O
HBrO3 + SO2 + H2O = Br2 + H2SO4 =>
2 HBrO3 + 5 SO2 + 4 H2O = Br2 + 5 H2SO4
NaBO2 + AgNO3 = AgBO2 + NaNO3 =>
NaBO2 + AgNO3 = AgBO2 + NaNO3
CuSO4 + hydrogensulfide = CuS + sulfuricacid =>
CuSO4 + H2S = CuS + H2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C4H10 + Br2 = HBr + CH =>
C4H10 + 3 Br2 = 6 HBr + 4 CH
HgO = mercury + oxygen =>
2 HgO = 2 Hg + O2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
HCl(aq) + MnO2(s) = MnCl2(aq) + H2O(l) + Cl(g) =>
4 HCl(aq) + MnO2(s) = MnCl2(aq) + 2 H2O(l) + 2 Cl(g)
HCl + Al = AlCl3 + H2 =>
6 HCl + 2 Al = 2 AlCl3 + 3 H2
MnO2 + KBr + H2So4 = Br2 + MnSo4 + K2So4 + H2O =>
MnO2 + 2 KBr + 2 H2So4 = Br2 + MnSo4 + K2So4 + 2 H2O
FE + CUSO4 = FESO4 + CU =>
FE + CUSO4 = FESO4 + CU
Ca3(PO4)2 + sulfuricacid = calciumsulfate + phosphoricacid =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
AsI3 = arsenic + iodine =>
2 AsI3 = 2 As + 3 I2
HgCl2 + SO2 + H2O = HgCl + H2SO4 + HCl =>
2 HgCl2 + SO2 + 2 H2O = 2 HgCl + H2SO4 + 2 HCl
Cu(NH3)4 + KCN = NH3 + K2Cu(CN)3 + K =>
Cu(NH3)4 + 3 KCN = 4 NH3 + K2Cu(CN)3 + K
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