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Chemische vergelijkingen in evenwicht op01/09/25

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Breng de vergelijking van een chemische reactie in evenwicht
Ca(NO2)2 + H3PO4 = Ca3(PO4)2 + H(NO2) =>
3 Ca(NO2)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H(NO2)

Cu(NO3)2 + Ag2CO3 = CuCO3 + AgNO3 =>
Cu(NO3)2 + Ag2CO3 = CuCO3 + 2 AgNO3

HCHO + Ag2O = HCHO2 + Ag =>
HCHO + Ag2O = HCHO2 + 2 Ag

Zn + CaCO3 = ZnO + CaO + CO =>
Zn + CaCO3 = ZnO + CaO + CO

FeSO4 + KBiO3 + H2SO4 = H2O + Bi2(SO4)3 + K2SO4 + Fe2(SO4)3 =>
4 FeSO4 + 2 KBiO3 + 6 H2SO4 = 6 H2O + Bi2(SO4)3 + K2SO4 + 2 Fe2(SO4)3

K3Fe(CN)6 + NH4SCN = KSCN + (NH4)3Fe(CN)6 =>
K3Fe(CN)6 + 3 NH4SCN = 3 KSCN + (NH4)3Fe(CN)6

Zn + HOH = ZnO + H2 =>
Zn + HOH = ZnO + H2

PH4Cl = PH3HCl =>
PH4Cl = PH3HCl

CuO + HNO3 = Cu(NO3)2 + Cu(OH)2 =>
2 CuO + 2 HNO3 = Cu(NO3)2 + Cu(OH)2

Mg(OH)2 + H2 + SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2 + SO4 = MgSO4 + 2 H2O

K3PO4(aq) + BaCl2(aq) = KCl(aq) + Ba3(PO4)2 =>
2 K3PO4(aq) + 3 BaCl2(aq) = 6 KCl(aq) + Ba3(PO4)2

NiO2 + H2O = NiOOH + OH =>
NiO2 + H2O = NiOOH + OH

FeCl3*6H2O + FeSO4*7H2O + NH4OH = Fe3O4 + (NH4)2SO4 + NH4Cl + H2O =>
2 FeCl3*6H2O + FeSO4*7H2O + 8 NH4OH = Fe3O4 + (NH4)2SO4 + 6 NH4Cl + 23 H2O

SO2 + KMnO4 + KOH = K2SO4 + MnO2 + H2O =>
3 SO2 + 2 KMnO4 + 4 KOH = 3 K2SO4 + 2 MnO2 + 2 H2O

Cu2O + III = CuI + I2O5 =>
5 Cu2O + 4 III = 10 CuI + I2O5

Al + NaOH + HOH = H2 + NaAl(OH)4 =>
2 Al + 2 NaOH + 6 HOH = 3 H2 + 2 NaAl(OH)4

HCOH + Ag(NH3)2OH = HCOOH + Ag + NH3 + H2O =>
HCOH + 2 Ag(NH3)2OH = HCOOH + 2 Ag + 4 NH3 + H2O

H3PO4 = H2O + H4P2O7 =>
2 H3PO4 = H2O + H4P2O7

NH4Cl + BaCl2 = BaNH4 + Cl2 =>
2 NH4Cl + 2 BaCl2 = 2 BaNH4 + 3 Cl2

KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2

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

NO2 = O + N2 =>
2 NO2 = 4 O + N2

Mg + C3H7COOH = Mg(C3H7COO) + H2 =>
2 Mg + 2 C3H7COOH = 2 Mg(C3H7COO) + H2

Cr2O7 + OH = CrO4 + H2O =>
Cr2O7 + 2 OH = 2 CrO4 + H2O

(NH4)2S + Ca3(PO4)2 = Ca2S2 + (NH4)3PO4 =>
6(NH4)2S + 2 Ca3(PO4)2 = 3 Ca2S2 + 4(NH4)3PO4

P2S2 + KMnO4 + H2O = S + MnO2 + H3PO4 + KOH =>
3 P2S2 + 10 KMnO4 + 14 H2O = 6 S + 10 MnO2 + 6 H3PO4 + 10 KOH

FeSCN + Na2HPO4 = Fe2HPO4 + NaSCN =>
2 FeSCN + Na2HPO4 = Fe2HPO4 + 2 NaSCN

Mn2 + NH3 = Mn(NH3) =>
Mn2 + 2 NH3 = 2 Mn(NH3)

K2S + NaSO3 + HCl = NaCl + S + KCl + H2O =>
5 K2S + 2 NaSO3 + 12 HCl = 2 NaCl + 7 S + 10 KCl + 6 H2O

CH2O + KOH = K2CO3 + H =>
CH2O + 2 KOH = K2CO3 + 4 H

Ca(OH)2 + Ag = Ca + Ag(OH)2 =>
Ca(OH)2 + Ag = Ca + Ag(OH)2

Na2CO3(s) + HCl(aq) = NaCl(s) + CO2(g) + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(s) + CO2(g) + H2O

NaOHMg = MgOHNa =>
NaOHMg = MgOHNa

Mg + HO = MgO + H =>
Mg + HO = MgO + H

H2SO4 + Zn = ZnSO4 + SO2 + H2O =>
2 H2SO4 + Zn = ZnSO4 + SO2 + 2 H2O

C6H12O6 + Fe3O4 + H2O2 = C12H22FeO14*2H2O + H2O =>
6 C6H12O6 + Fe3O4 + 5 H2O2 = 3 C12H22FeO14*2H2O + 2 H2O

S + CaO = SO + Ca =>
S + CaO = SO + Ca

FeCl3 + [K4Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3[K4Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl

Fe(NO3)3 + Zn(NO3)2 + C6H8O7 = ZnFe2O4 + CO2 + NO2 + H2O =>
18 Fe(NO3)3 + 9 Zn(NO3)2 + 4 C6H8O7 = 9 ZnFe2O4 + 24 CO2 + 72 NO2 + 16 H2O

H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O

NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2

Zn + S = ZnS3 =>
Zn + 3 S = ZnS3

RbNO3 + Mg + H2O = NH3 + Mg(OH)2 + Rb =>
2 RbNO3 + 9 Mg + 12 H2O = 2 NH3 + 9 Mg(OH)2 + 2 Rb

H2Te + Zn(OH)2 = ZnTe + H2O =>
H2Te + Zn(OH)2 = ZnTe + 2 H2O

PB(NO3)2 + CuCl2 = Cu(NO3)2 + PBCl2 =>
PB(NO3)2 + CuCl2 = Cu(NO3)2 + PBCl2

K2Cr2O7 + H2C2O4*2(H2O) = K[Cr(C2O4)2(H20)2] + H2O + CO2 =>
K2Cr2O7 + 47 H2C2O4*2(H2O) = 2 K[Cr(C2O4)2(H20)2] + 101 H2O + 86 CO2

CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2

S + FeCl3 = FeS + Cl2 =>
2 S + 2 FeCl3 = 2 FeS + 3 Cl2

C6H12O6 + H2 = C8H10 + H2O =>
4 C6H12O6 + 15 H2 = 3 C8H10 + 24 H2O

P + H2O = PH3 + O2 =>
4 P + 6 H2O = 4 PH3 + 3 O2

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Breng de vergelijking van een chemische reactie in evenwicht
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