Équations équilibrées la veille |
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
Ca10F2(PO4)6 + H2SO4 = Ca(H2PO4)2 + CaSO4 + HF =>
Ca10F2(PO4)6 + 7 H2SO4 = 3 Ca(H2PO4)2 + 7 CaSO4 + 2 HF
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Au2O3 + CO = Au + CO2 =>
Au2O3 + 3 CO = 2 Au + 3 CO2
Ag + NaOH = AgOH + Na =>
Ag + NaOH = AgOH + Na
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
IO3 + I + HCl = ICl3 + H2O =>
IO3 + I + 6 HCl = 2 ICl3 + 3 H2O
CrCl3 + Na2SO4 = Cr2(SO4)3 + NaCl =>
2 CrCl3 + 3 Na2SO4 = Cr2(SO4)3 + 6 NaCl
Ba3 + O2 = BaO2 =>
Ba3 + 3 O2 = 3 BaO2
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
C2H6O(l) + O2(g) = H2O(i) + CO2(g) =>
C2H6O(l) + 3 O2(g) = 3 H2O(i) + 2 CO2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuFeS2(g) + O2(g) = FeO(s) + Cu(s) + SO2(g) =>
2 CuFeS2(g) + 5 O2(g) = 2 FeO(s) + 2 Cu(s) + 4 SO2(g)
Zn(OH)2 + N2O5 = Zn(NO3)2 + H2O =>
Zn(OH)2 + N2O5 = Zn(NO3)2 + H2O
ClO2 + OH{-} = ClO3{-} + ClO2{-} + H2O =>
2 ClO2 + 2 OH{-} = ClO3{-} + ClO2{-} + H2O
CU + HCl = CUCl + H =>
CU + HCl = CUCl + H
BeO + CaO = BeCaO2 =>
BeO + CaO = BeCaO2
Ca(OH)2BaSO4 = CaSO4Ba(OH)2 =>
Ca(OH)2BaSO4 = CaSO4Ba(OH)2
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Cu(s) + SnCl2(aq) = CuCl2 + Sn =>
Cu(s) + SnCl2(aq) = CuCl2 + Sn
Cu3N + KBr = CuBr + K3N =>
Cu3N + 3 KBr = 3 CuBr + K3N
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Cu2SO4 + HNO3 = HSO4 + Cu2(NO3) =>
Cu2SO4 + HNO3 = HSO4 + Cu2(NO3)
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
FeCl3 + H2O + SeO2 = FeCl2 + HCl + H2SeO4 =>
2 FeCl3 + 2 H2O + SeO2 = 2 FeCl2 + 2 HCl + H2SeO4
C6H12 + H2SO4 = C6H14O + SO3 =>
C6H12 + H2SO4 = C6H14O + SO3
Cu + AlO2 = CuO2 + Al =>
Cu + AlO2 = CuO2 + Al
PB(No3)2 + I = PBI2 + No3 =>
PB(No3)2 + 2 I = PBI2 + 2 No3
Cs + HOH = CsOH + H2 =>
2 Cs + 2 HOH = 2 CsOH + H2
K2Cr2O7 + S8 = SO2 + Cr2O3 + K2O =>
16 K2Cr2O7 + 3 S8 = 24 SO2 + 16 Cr2O3 + 16 K2O
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
SO2H2O = H2SO3 = =>
SO2H2O = H2SO3
Au2(SO4)3 + H = H(SO4)3 + Au =>
Au2(SO4)3 + H = H(SO4)3 + 2 Au
Al2(SO4)3(aq) + Na3PO4(aq) = AlPO4(s) + Na2SO4(aq) =>
Al2(SO4)3(aq) + 2 Na3PO4(aq) = 2 AlPO4(s) + 3 Na2SO4(aq)
Na2GeO3 + HCl = NaCl + GeO2 + H2O =>
Na2GeO3 + 2 HCl = 2 NaCl + GeO2 + H2O
NaOH + AlSO4 = AlOH + NaSO4 =>
NaOH + AlSO4 = AlOH + NaSO4
BaBr2 + Ca(NO3)2 = Ba(NO3)2 + Br2Ca =>
BaBr2 + Ca(NO3)2 = Ba(NO3)2 + Br2Ca
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaOH + S = Na2S2O3 + Na2S + H2O =>
6 NaOH + 4 S = Na2S2O3 + 2 Na2S + 3 H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
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