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Chemische vergelijkingen in evenwicht op02/02/25

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Breng de vergelijking van een chemische reactie in evenwicht
K2CrO4 + H2SO4 + H2O2 = CrO(O2)2 + K2SO4 + H2O =>
K2CrO4 + H2SO4 + 2 H2O2 = CrO(O2)2 + K2SO4 + 3 H2O

CaH2 + K2Cr2O7 + H2SO4 = CaSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 CaH2 + 2 K2Cr2O7 + 11 H2SO4 = 3 CaSO4 + 2 K2SO4 + 2 Cr2(SO4)3 + 14 H2O

C6H5CH3 + Cl2 = C6H5Cl6CH3 =>
C6H5CH3 + 3 Cl2 = C6H5Cl6CH3

NaClOH2O = HClO + NaOH =>
NaClOH2O = HClO + NaOH

NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH

AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2

C3H7NH2 + O2 = CO2 + H2O + N2 =>
4 C3H7NH2 + 21 O2 = 12 CO2 + 18 H2O + 2 N2

KBrO + MnCl + KOH = KBr + MnO2 + KCl + H2O =>
3 KBrO + 2 MnCl + 2 KOH = 3 KBr + 2 MnO2 + 2 KCl + H2O

ZrC + Cl2 = ZrCl2 + CCl4 =>
ZrC + 3 Cl2 = ZrCl2 + CCl4

SO3 + LiOH = SOH + LiO3 =>
SO3 + LiOH = SOH + LiO3

Cu2S + FeCl3 = CuS + CuCl2 + FeCl2 =>
Cu2S + 2 FeCl3 = CuS + CuCl2 + 2 FeCl2

Cu + CO2 = CuO + C =>
2 Cu + CO2 = 2 CuO + C

CaC2 + CO2 = CaO2 + CC =>
2 CaC2 + 2 CO2 = 2 CaO2 + 3 CC

K2Cr2O7({-}2) + H2SO4({-}2) + H2S = K2SO4({-}2) + Cr2(SO4)({-}2)3 + S + H2O =>
K2Cr2O7({-}2) + H2SO4({-}2) + 2 H2S = K2SO4({-}2) + Cr2(SO4)({-}2)3 + S + 3 H2O

CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O

FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)

Fe(OH)2 + (H3PO4) = Fe3(PO4)2 + H2O =>
3 Fe(OH)2 + 2(H3PO4) = Fe3(PO4)2 + 6 H2O

Cr2O7 + C2H5OH = Cr + CH3COOH + H2O =>
2 Cr2O7 + 7 C2H5OH = 4 Cr + 7 CH3COOH + 7 H2O

H2SO4(aq) + Na2C1O3(s) = Na2SO4(aq) + H2O + CO2(g) =>
H2SO4(aq) + Na2C1O3(s) = Na2SO4(aq) + H2O + CO2(g)

Al2O3 + KOH = KAlO2 + H2O =>
Al2O3 + 2 KOH = 2 KAlO2 + H2O

H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2

ClF3 + NH3 = N2 + HF + Cl2 =>
2 ClF3 + 2 NH3 = N2 + 6 HF + Cl2

Zn + Na2O2 = Na2ZnO2 =>
Zn + Na2O2 = Na2ZnO2

NH4H2PO4 + NH4CO3 = NH4PO4 + (NH4)2CO3 + H2O + CO2 =>
NH4H2PO4 + 2 NH4CO3 = NH4PO4 + (NH4)2CO3 + H2O + CO2

CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O

CoCl2 + NH4Cl + NH3 + H2O2 = Co(NH3)5Cl4 + H2O =>
CoCl2 + 2 NH4Cl + 3 NH3 + H2O2 = Co(NH3)5Cl4 + 2 H2O

CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O

Cr(OH)3 + ClO{-} + OH{-} = Cl{-} + CrO4{2-} + H2O =>
2 Cr(OH)3 + 3 ClO{-} + 4 OH{-} = 3 Cl{-} + 2 CrO4{2-} + 5 H2O

SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O

C12H2O11(l) + O2(g) = CO2(g) + H2O(l) =>
C12H2O11(l) + 7 O2(g) = 12 CO2(g) + H2O(l)

CuCl2 + Na2S2O5 + H2O = CuSO3 + NaCl + H2SO4 + H2 =>
CuCl2 + Na2S2O5 + 2 H2O = CuSO3 + 2 NaCl + H2SO4 + H2

SiF4 + H2O = HF + SiO2 =>
SiF4 + 2 H2O = 4 HF + SiO2

NiO4 + Al{+3} + e = NiAl2O4 =>
NiO4 + 2 Al{+3} + 6e = NiAl2O4

AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3

Al(NO3)3 + (NH4)2S = Al2S3 + NH4NO3 =>
2 Al(NO3)3 + 3(NH4)2S = Al2S3 + 6 NH4NO3

Ca(CH3COO)2 + H2O = Ca{2+} + OH{-} + HCH3COO =>
Ca(CH3COO)2 + 2 H2O = Ca{2+} + 2 OH{-} + 2 HCH3COO

NaOH(s) + H2O(l) = NaO + H3O =>
NaOH(s) + H2O(l) = NaO + H3O

K2S + K2MnO4 + H2O = MnO2 + S + KOH =>
K2S + K2MnO4 + 2 H2O = MnO2 + S + 4 KOH

Fe3(PO4)2 + H2 = Fe + H3PO4 =>
Fe3(PO4)2 + 3 H2 = 3 Fe + 2 H3PO4

C3S2 = C + S8 =>
4 C3S2 = 12 C + S8

NO2 + HCl = Cl2 + NO + H2O =>
NO2 + 2 HCl = Cl2 + NO + H2O

K + F2 = KF =>
2 K + F2 = 2 KF

Fe(NO3)3 + NaOH = Fe(OH)3 + Na(NO3) =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 Na(NO3)

NH4NO3 + KOH = KNO3 + NH3 + H2O =>
NH4NO3 + KOH = KNO3 + NH3 + H2O

Sc(HCO3)3 = Sc(CHO2)3 + O2 =>
2 Sc(HCO3)3 = 2 Sc(CHO2)3 + 3 O2

FeI3 + HClO4 + H2SO4 = HIO3 + HCl + Fe2(SO4)3 =>
4 FeI3 + 9 HClO4 + 6 H2SO4 = 12 HIO3 + 9 HCl + 2 Fe2(SO4)3

NaVO3 + H2SO4 = Na2SO4 + H3V3O9 =>
6 NaVO3 + 3 H2SO4 = 3 Na2SO4 + 2 H3V3O9

NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O

Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3

HgS + HCl + HNO3 = H2HgCl4 + NO + S + H2O =>
3 HgS + 12 HCl + 2 HNO3 = 3 H2HgCl4 + 2 NO + 3 S + 4 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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