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Chemische vergelijkingen in evenwicht op01/09/25

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Breng de vergelijking van een chemische reactie in evenwicht
K + O2 = K2O =>
4 K + O2 = 2 K2O

Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4 =>
Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4

Mn2 + H2S = MnS + H =>
Mn2 + 2 H2S = 2 MnS + 4 H

Na2CrO4 + SrF2 = NaF + SrCrO4 =>
Na2CrO4 + SrF2 = 2 NaF + SrCrO4

CuSO4K2[Fe(CN)6] = Cu[Fe(CN)6]K2SO4 =>
CuSO4K2[Fe(CN)6] = Cu[Fe(CN)6]K2SO4

Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O

FeCr2O7 + K2CO2 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCr2O7 + 8 K2CO2 + 5 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2

Ca(NO3)22 = CaO + NO2 + O2 =>
2 Ca(NO3)22 = 2 CaO + 44 NO2 + 21 O2

NaOH + Ca(oh)2 + C + ClO2 = NaCl + CaCO3 + H2O =>
12 NaOH + 5 Ca(oh)2 + 10 C + 12 ClO2 = 12 NaCl + 10 CaCO3 + 6 H2O

KOH + H3PO4 = KO2 + POH + H2O =>
4 KOH + 3 H3PO4 = 4 KO2 + 3 POH + 5 H2O

Pb + Cu(NO{3}){2} = PbNO{3} + Cu{2} =>
Pb + Cu(NO{3}){2} = PbNO{3} + Cu{2}

BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF

NO2CO3 = NO3 + CO2 =>
NO2CO3 = NO3 + CO2

C9H20O5 + O2 = CO2 + H2O =>
2 C9H20O5 + 23 O2 = 18 CO2 + 20 H2O

Mg3N2 + H2O = MgO + NH3 =>
Mg3N2 + 3 H2O = 3 MgO + 2 NH3

K + Al(NO3)3 = KNO3 + Al =>
3 K + Al(NO3)3 = 3 KNO3 + Al

CH3CH2OH(l) + O2(g) = CH3CHO(aq) + H2O(l) =>
2 CH3CH2OH(l) + O2(g) = 2 CH3CHO(aq) + 2 H2O(l)

CoS + H2O2 + NaOH = Co(OH)2 + Na2SO4 + H2O =>
CoS + 4 H2O2 + 2 NaOH = Co(OH)2 + Na2SO4 + 4 H2O

K + Pt{2+} = K{+} + Pt =>
2 K + Pt{2+} = 2 K{+} + Pt

C6H12O6 + Cu(OH)2 = C6H12O7Cu + H2O =>
C6H12O6 + Cu(OH)2 = C6H12O7Cu + H2O

Fe2O3 + H2O = Fe + (HO)2 =>
Fe2O3 + 3 H2O = 2 Fe + 3(HO)2

Na2SO4 + H2S = H2SO4 + S + Na =>
Na2SO4 + H2S = H2SO4 + S + 2 Na

NaN3 + NaNO3 = Na2O + N2 =>
5 NaN3 + NaNO3 = 3 Na2O + 8 N2

Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O

C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O

SO2 + H2 = H2O + H2S =>
SO2 + 3 H2 = 2 H2O + H2S

Na2SO4 + KIO3 + H2SO4 = K2SO4 + NaSO4 + I2 + H2O =>
5 Na2SO4 + 2 KIO3 + 6 H2SO4 = K2SO4 + 10 NaSO4 + I2 + 6 H2O

ZnSO4 + KOH = Zn(OH)2 + SO4K2 =>
ZnSO4 + 2 KOH = Zn(OH)2 + SO4K2

Fe3O + C = CO2 + Fe =>
2 Fe3O + C = CO2 + 6 Fe

H3PO4 + (NH4)2MoO4 + HNO3 = [(NH4)3PO4*12MoO3] + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = [(NH4)3PO4*12MoO3] + 21 NH4NO3 + 12 H2O

AgNO3 + MgI2 = AgI + Mg(NO3)2 =>
2 AgNO3 + MgI2 = 2 AgI + Mg(NO3)2

FeS + CaO = CaS + FeO =>
FeS + CaO = CaS + FeO

Sb + HCl = SbHCl3 + H2 =>
Sb + 3 HCl = SbHCl3 + H2

P(s) + Cl2(g) = PCl2(i) =>
P(s) + Cl2(g) = PCl2(i)

P = P2 = O = O2 =>
2 P = P2

K2O + N2O3 = K2N2O4 =>
K2O + N2O3 = K2N2O4

H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O

Na2CuCl4 + Cu = NaCuCl2 =>
Na2CuCl4 + Cu = 2 NaCuCl2

[Ca(NH3)6] = Ca(NH2)2 + NH3 + H2 =>
[Ca(NH3)6] = Ca(NH2)2 + 4 NH3 + H2

NaBr + Al2(SO4)3 = Na2SO4 + AlBr3 =>
6 NaBr + Al2(SO4)3 = 3 Na2SO4 + 2 AlBr3

HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2

Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2

Na + ZnSiO3 = Na2SiO3 + Zn =>
2 Na + ZnSiO3 = Na2SiO3 + Zn

Al + H2BO3 = AlBO3 + H2 =>
Al + H2BO3 = AlBO3 + H2

(NH4)3PO4 + NaOH = NH3 + Na3PO4 + H2O =>
(NH4)3PO4 + 3 NaOH = 3 NH3 + Na3PO4 + 3 H2O

A = A5 =>
5 A = A5

SO2 + O2 + CaO = CaSO4 =>
2 SO2 + O2 + 2 CaO = 2 CaSO4

K2CO3(aq) + AlBr3(aq) = KBr(aq) + Al2(CO3)3(aq) =>
3 K2CO3(aq) + 2 AlBr3(aq) = 6 KBr(aq) + Al2(CO3)3(aq)

SO4 + Mg3 = S + MgO =>
3 SO4 + 4 Mg3 = 3 S + 12 MgO

SiN + HCl = SiNCl + H =>
SiN + HCl = SiNCl + H

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Breng de vergelijking van een chemische reactie in evenwicht
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