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Chemische vergelijkingen in evenwicht op01/08/25

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Breng de vergelijking van een chemische reactie in evenwicht
Cr + O2 = Cr2O10 =>
2 Cr + 5 O2 = Cr2O10

H2C4H4O6 + KOH = H2O + K2C4H4O6 =>
H2C4H4O6 + 2 KOH = 2 H2O + K2C4H4O6

C3CHO + KMnO4 = C3COOH + KMnO3 =>
C3CHO + KMnO4 = C3COOH + KMnO3

N2O3 + NH3 = N3 + H2O =>
3 N2O3 + 6 NH3 = 4 N3 + 9 H2O

C17H35COOH + Zn(OH)2 = (C17H35COO)2Zn + H2O =>
2 C17H35COOH + Zn(OH)2 = (C17H35COO)2Zn + 2 H2O

Ca(OH)2 + Br = CaBr2 + OH =>
Ca(OH)2 + 2 Br = CaBr2 + 2 OH

C17H35COONa + CaSO4 = (C17H35COO)2Ca + Na2SO4 =>
2 C17H35COONa + CaSO4 = (C17H35COO)2Ca + Na2SO4

KIO3 + H3AsO3 + HCl = H3AsO4 + KCl + H2O + ICl =>
KIO3 + 2 H3AsO3 + 2 HCl = 2 H3AsO4 + KCl + H2O + ICl

CO(NH2)2 + HNO3 = CH5N3O4 =>
CO(NH2)2 + HNO3 = CH5N3O4

Na + BrCl = NaCl + Br2 =>
2 Na + 2 BrCl = 2 NaCl + Br2

SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3

CuSO3 + Li = CuSO3Li =>
CuSO3 + Li = CuSO3Li

Co(OH)2 + NH3 = NH3Co(OH)2 =>
Co(OH)2 + NH3 = NH3Co(OH)2

H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O

K + Cl = KCl =>
K + Cl = KCl

HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O

KCO3 + H2SO4 = KSO4 + CO2 + H2O =>
KCO3 + H2SO4 = KSO4 + CO2 + H2O

CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl

Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O

C7H8 + O2 = C + H2O =>
C7H8 + 2 O2 = 7 C + 4 H2O

C5H7O5COOH + NaHCO3 = C5H7O5COONa + H2O + CO2 =>
C5H7O5COOH + NaHCO3 = C5H7O5COONa + H2O + CO2

Cs2CO3 + CO2 + H2O = CsHCO3 =>
Cs2CO3 + CO2 + H2O = 2 CsHCO3

K2TeO4 + HCl = K2TeO3 + Cl2 + H2O =>
K2TeO4 + 2 HCl = K2TeO3 + Cl2 + H2O

K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl

H + Cl2 = HCl =>
2 H + Cl2 = 2 HCl

Cl + Ba(oh)2 = BaCl2 =>
4 Cl + Ba(oh)2 = 2 BaCl2

C4H8O + NH3O = C4H8NOH + H2O =>
C4H8O + NH3O = C4H8NOH + H2O

MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O

CH3CHOHCOOH + KOH = CH3CHOHCOOK + H2O =>
CH3CHOHCOOH + KOH = CH3CHOHCOOK + H2O

BrO3{-} + H2C2O4 = Br{-} + CO2 + H2O =>
BrO3{-} + 3 H2C2O4 = Br{-} + 6 CO2 + 3 H2O

HI + KHCO3 = KI + H2O + CO2 =>
HI + KHCO3 = KI + H2O + CO2

Ba + CuO = Cu + BaO =>
Ba + CuO = Cu + BaO

H2S + NH4OH = H2O + NH4HS =>
H2S + NH4OH = H2O + NH4HS

K2Cr2O7 + HCl = Cl2 + CrCl3 + H2O + K(OH) =>
K2Cr2O7 + 12 HCl = 3 Cl2 + 2 CrCl3 + 5 H2O + 2 K(OH)

KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O

H2SeO3 + NaClO = H2SeO4 + NaCl =>
H2SeO3 + NaClO = H2SeO4 + NaCl

H2C6H6O6 + OH{-} = C6H6O6{2-} + H2O =>
H2C6H6O6 + 2 OH{-} = C6H6O6{2-} + 2 H2O

KI + Ca(HCO3)2 = CO2 + H2O + CaI + KCO3 =>
KI + Ca(HCO3)2 = CO2 + H2O + CaI + KCO3

NaHOH = NaOH + H =>
NaHOH = NaOH + H

NH4Cl + HgC2H3O2 = NH4C2H3O2 + HgCl =>
NH4Cl + HgC2H3O2 = NH4C2H3O2 + HgCl

C7H16O(l) + O2(g) = CO2(g) + H2O(g) =>
2 C7H16O(l) + 21 O2(g) = 14 CO2(g) + 16 H2O(g)

Fe + H2O = H + Fe(O2)3 =>
Fe + 6 H2O = 12 H + Fe(O2)3

Fe2O3 + SO3 = Fe2O3SO3 =>
Fe2O3 + SO3 = Fe2O3SO3

Cr(OH)3 + HPO2 = Cr(PO2)3 + H2O =>
Cr(OH)3 + 3 HPO2 = Cr(PO2)3 + 3 H2O

P4 + KPH + H2O = KH2PO4 + PH3 =>
7 P4 + 12 KPH + 48 H2O = 12 KH2PO4 + 28 PH3

Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O

Be(OH)2 + HCl = BeCl2 + H2O =>
Be(OH)2 + 2 HCl = BeCl2 + 2 H2O

CuCl2 + KNO3 = KCl + Cu(NO3)2 =>
CuCl2 + 2 KNO3 = 2 KCl + Cu(NO3)2

Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O

AlBr3 + KOH = K3[Al(OH)6] + KBr =>
AlBr3 + 6 KOH = K3[Al(OH)6] + 3 KBr

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Breng de vergelijking van een chemische reactie in evenwicht
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