Équations équilibrées la veille |
2 Cr2(OH)3 + 9 KNO3 + 8 KOH = 4 K2CrO4 + 9 KNO2 + 7 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Pb(NO3)2 + NH4Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4NO3
CuO + H2SO4 = Cu({+2}) + SO4({-2}) + H2O =>
CuO + H2SO4 = Cu({+2}) + SO4({-2}) + H2O
NH4Cl + AgNO3 = AgCl + NH3 + HNO3 =>
NH4Cl + AgNO3 = AgCl + NH3 + HNO3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
C2H5OH + H2SO4 = CO2 + SO2 + H2O =>
C2H5OH + 6 H2SO4 = 2 CO2 + 6 SO2 + 9 H2O
NO + Cl = NOCl =>
NO + Cl = NOCl
C2H4O2 + NaPO4 = CO2 + H2O + Na2O + P =>
7 C2H4O2 + 8 NaPO4 = 14 CO2 + 14 H2O + 4 Na2O + 8 P
Ag(NO3)3 = Ag + NO2 + O2 =>
2 Ag(NO3)3 = 2 Ag + 6 NO2 + 3 O2
NH4Br + Ca(NO3)2 = NH4NO3 + CaBr2 =>
2 NH4Br + Ca(NO3)2 = 2 NH4NO3 + CaBr2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
H2O + CaO + SO2 = CaSO4 + H2 =>
H2O + CaO + SO2 = CaSO4 + H2
C + H2O = CO + H2 =>
C + H2O = CO + H2
Cr3CO3 = CO2 + Cr3O =>
Cr3CO3 = CO2 + Cr3O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Co(NO3)2 + Rb3PO4 = Co3(PO4)2 + RbNO3 =>
3 Co(NO3)2 + 2 Rb3PO4 = Co3(PO4)2 + 6 RbNO3
HC = CH = CH = CH = CH = CH + н2 = CО2 + Н2О =>
HC = CH
Cu + S = Cu2S =>
2 Cu + S = Cu2S
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Na3PO4 + BaCl2 = Ba3P2O8 + NaCl =>
2 Na3PO4 + 3 BaCl2 = Ba3P2O8 + 6 NaCl
C + O2 = CO2 =>
C + O2 = CO2
NH3 + KMnO4 + KON = N2 + K2MnO4 + H2O =>
4 NH3 + 6 KMnO4 + 6 KON = 5 N2 + 6 K2MnO4 + 6 H2O
Hg + HNO2 = H2 + HgNO2 =>
2 Hg + 2 HNO2 = H2 + 2 HgNO2
Lithium + sodiumsulfate = lithiumsulfate + sodium =>
2 Li + Na2SO4 = Li2SO4 + 2 Na
K3TaF8 + H2O = K3TaO4 + HF =>
K3TaF8 + 4 H2O = K3TaO4 + 8 HF
C18H34O2 + H2 = C16H34 + H2O =>
8 C18H34O2 + 33 H2 = 9 C16H34 + 16 H2O
ZnBr2 + I2 = ZnI2 + Br =>
ZnBr2 + I2 = ZnI2 + 2 Br
Na + Po = Na3Po4 =>
3 Na + 4 Po = Na3Po4
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Na + HNO3 = NaNO3 + NH3NO3 + H2O =>
7 Na + 9 HNO3 = 7 NaNO3 + NH3NO3 + 3 H2O
CuSO4(aq) + KI(aq) = CuI(s) + I2(g) + K2SO4(aq) =>
2 CuSO4(aq) + 4 KI(aq) = 2 CuI(s) + I2(g) + 2 K2SO4(aq)
CH2COONaCH3COOCH2 + NaOH = NaOOCCH2COONa + CH3CH2OH =>
CH2COONaCH3COOCH2 + NaOH = NaOOCCH2COONa + CH3CH2OH
Fe + S = FeS =>
Fe + S = FeS
HNO3 + NiCO3 = Ni(NO3)2 + H2O + CO2 =>
2 HNO3 + NiCO3 = Ni(NO3)2 + H2O + CO2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
AlCl3 + H3(PO4) = HCl + Al(PO4) =>
AlCl3 + H3(PO4) = 3 HCl + Al(PO4)
Mn2O7Ba(OH)2 = BaMn2O8H2O =>
Mn2O7Ba(OH)2 = BaMn2O8H2O
KHSO4 = KOHSO3 =>
KHSO4 = KOHSO3
Fe + S = FeS =>
Fe + S = FeS
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
XeF2H2O = XeF2OH2 =>
XeF2H2O = XeF2OH2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Zn + Cu(Cl)2 = Cu + Zn(Cl)2 =>
Zn + Cu(Cl)2 = Cu + Zn(Cl)2
S + O2 = SO2 =>
S + O2 = SO2
C + H2O = CO + H2 =>
C + H2O = CO + H2
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