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Chemische vergelijkingen in evenwicht op12/27/24

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Breng de vergelijking van een chemische reactie in evenwicht
Cu2O + K2Cr2O7 + H2SO4 = H2O + K2SO4 + CuSO4 + Cr2(SO4)3 =>
3 Cu2O + K2Cr2O7 + 10 H2SO4 = 10 H2O + K2SO4 + 6 CuSO4 + Cr2(SO4)3

NiSO4Na2CO3 = NiCO3Na2SO4 =>
NiSO4Na2CO3 = NiCO3Na2SO4

AgOHNaNO3NH3 = Ag(NH3)NaOHNO3 =>
AgOHNaNO3NH3 = Ag(NH3)NaOHNO3

N2H9PO4 + H3BO3 = BPO4 + NH3 + H2O =>
N2H9PO4 + H3BO3 = BPO4 + 2 NH3 + 3 H2O

SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4

Cr2O7{2-} + H{+} + H2Se = Se + Cr{3+} + H2O =>
Cr2O7{2-} + 8 H{+} + 3 H2Se = 3 Se + 2 Cr{3+} + 7 H2O

Cu2[Fe(CN)6](ac) + NaOH = Cu(OH)2(ac) + Na4[Fe(CN)6](ac) =>
Cu2[Fe(CN)6](ac) + 4 NaOH = 2 Cu(OH)2(ac) + Na4[Fe(CN)6](ac)

CrCl2 + H2O2 + NaOH = Na2Cr2O7 + NaCl + H2O =>
2 CrCl2 + 4 H2O2 + 6 NaOH = Na2Cr2O7 + 4 NaCl + 7 H2O

Fe3 = Fe =>
Fe3 = 3 Fe

Pb(C2H3O2)2(aq) + Na2SO4(aq) = PbSO4(s) + Na(C2H3O2)(aq) =>
Pb(C2H3O2)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 Na(C2H3O2)(aq)

Al + H2 = AlH3 =>
2 Al + 3 H2 = 2 AlH3

MnSO4 + CoCl2 = MnCl2 + CoSO4 =>
MnSO4 + CoCl2 = MnCl2 + CoSO4

NiSO4BaCl2 = NiCl2BaSO4 =>
NiSO4BaCl2 = NiCl2BaSO4

Al + NiSO4 = Ni + Al(SO4) =>
Al + NiSO4 = Ni + Al(SO4)

Mg2 + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg2 + 2 Cu(NO3)2 = 2 Mg(NO3)2 + 2 Cu

NaOH + Si + H2O = Na2SiO3 + H2 =>
2 NaOH + Si + H2O = Na2SiO3 + 2 H2

CdS + O2 = CdO + SO3 =>
CdS + 2 O2 = CdO + SO3

(NH4)2CO3 + NaOH = (NH4)OH + Na2CO3 =>
(NH4)2CO3 + 2 NaOH = 2(NH4)OH + Na2CO3

Au(NO2)3(aq) + K2CrO4(aq) = Au2(CrO4)3(s) + KNO2(aq) =>
2 Au(NO2)3(aq) + 3 K2CrO4(aq) = Au2(CrO4)3(s) + 6 KNO2(aq)

Cu(OH)2AlCl3 = CuCl3Al(OH)2 =>
Cu(OH)2AlCl3 = CuCl3Al(OH)2

ZnNi(NO3)2 = Zn(NO3)2Ni =>
ZnNi(NO3)2 = Zn(NO3)2Ni

RSO3H + Ca(HCO3)2 = Ca(RSO3)2 + H2CO3 =>
2 RSO3H + Ca(HCO3)2 = Ca(RSO3)2 + 2 H2CO3

H2SO4 + H2O = H3O{+} + SO4{-2} =>
H2SO4 + 2 H2O = 2 H3O{+} + SO4{-2}

CH3COCH2CH3 + H2 = CH3COHCH2CH3 =>
2 CH3COCH2CH3 + H2 = 2 CH3COHCH2CH3

Al + Fe(NO3)2 = Fe(s) + Al(NO3) =>
2 Al + Fe(NO3)2 = Fe(s) + 2 Al(NO3)

K2CrO4 + Na2S2O3 + HCl = KCl + CrCl3 + NaCl + SO2 + H2O =>
4 K2CrO4 + 3 Na2S2O3 + 26 HCl = 8 KCl + 4 CrCl3 + 6 NaCl + 6 SO2 + 13 H2O

Na2CO3 + FeCr2O4 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
8 Na2CO3 + 4 FeCr2O4 + 7 O2 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2

NO2 + H2 = NH3 + H2O =>
2 NO2 + 7 H2 = 2 NH3 + 4 H2O

NO2 + H2 = N2 + H2O =>
2 NO2 + 4 H2 = N2 + 4 H2O

AgNO3*H2O = AgNO3 + H2O =>
AgNO3*H2O = AgNO3 + H2O

Ba{2+} + (PO4){3-} = Ba3(PO4)2 =>
3 Ba{2+} + 2(PO4){3-} = Ba3(PO4)2

HClO4NH3 = NHClH3O4 =>
HClO4NH3 = NHClH3O4

Na2S + HNO3 = Na2SO4 + NO + H2O =>
3 Na2S + 8 HNO3 = 3 Na2SO4 + 8 NO + 4 H2O

CH3CHO = CH3CHOHCH2CO + H2 =>
4 CH3CHO = 2 CH3CHOHCH2CO + H2

H2S + Fe = Fe2S3 + H2 =>
3 H2S + 2 Fe = Fe2S3 + 3 H2

Cr2(SO4)3 + H2O = Cr2O3 + H2SO4 =>
Cr2(SO4)3 + 3 H2O = Cr2O3 + 3 H2SO4

NO2 + H2 = N2 + H2O =>
2 NO2 + 4 H2 = N2 + 4 H2O

Cr2(SO3)3 + NaHSO4 = Cr(HSO4)3 + Na2SO3 =>
Cr2(SO3)3 + 6 NaHSO4 = 2 Cr(HSO4)3 + 3 Na2SO3

BaCl2 + Na2(CO3) = BaCO3 + NaCl =>
BaCl2 + Na2(CO3) = BaCO3 + 2 NaCl

Mn(NO3)2 + Na3PO4 = Mn3(PO4)2 + NaNO3 =>
3 Mn(NO3)2 + 2 Na3PO4 = Mn3(PO4)2 + 6 NaNO3

HC2H3O2 + Fe(OH)2 = H2O + Fe(C2H3O2)2 =>
2 HC2H3O2 + Fe(OH)2 = 2 H2O + Fe(C2H3O2)2

K2Cr2O7 + SNCl2 + HCl = CrCl3 + SNCl4 + KCl + H2O =>
K2Cr2O7 + 3 SNCl2 + 14 HCl = 2 CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O

PH4I + H2O = PH3 + H3O + I =>
PH4I + H2O = PH3 + H3O + I

C3H3AgHCl = C3H4AgCl =>
C3H3AgHCl = C3H4AgCl

Na2S + HNO3 = NaNO3 + H2S =>
Na2S + 2 HNO3 = 2 NaNO3 + H2S

Ba + HSO3 = Ba(HSO3)2 =>
Ba + 2 HSO3 = Ba(HSO3)2

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

Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O

CH4(g) + Cl2(g) = CCl4(g) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(g) + 4 HCl(g)

Na2S + HNO3 = Na2SO4 + NO + H2O =>
3 Na2S + 8 HNO3 = 3 Na2SO4 + 8 NO + 4 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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