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Chemische vergelijkingen in evenwicht op01/13/25

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Breng de vergelijking van een chemische reactie in evenwicht
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + K2SO4 + H2O + Cr2(SO4)3 =>
2 Al + K2Cr2O7 + 7 H2SO4 = Al2(SO4)3 + K2SO4 + 7 H2O + Cr2(SO4)3

HCHO2(l) + O2(g) = CO2(g) + H2O(l) =>
2 HCHO2(l) + O2(g) = 2 CO2(g) + 2 H2O(l)

N4O2 = N2O =>
N4O2 = 2 N2O

P2Br5 = P + Br2 =>
2 P2Br5 = 4 P + 5 Br2

KI + Uus2 = K + Uus2I =>
KI + Uus2 = K + Uus2I

BO + HCl = BCl2 + H2O =>
BO + 2 HCl = BCl2 + H2O

CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O

HBr + NaHSO3 = NaBr + H2O + SO2 =>
HBr + NaHSO3 = NaBr + H2O + SO2

H2 + U = HU =>
H2 + 2 U = 2 HU

Sr + (NH4)2CO3 = SrCO3 + (NH4)2 =>
Sr + (NH4)2CO3 = SrCO3 + (NH4)2

N + HNO3 = N(NO3)2 + H2 =>
N + 2 HNO3 = N(NO3)2 + H2

Rb2CO3 = Rb2 + CO3 =>
Rb2CO3 = Rb2 + CO3

Pb(NO3)2(s) + NaI(s) = PbI2(s) + NaNO3(s) =>
Pb(NO3)2(s) + 2 NaI(s) = PbI2(s) + 2 NaNO3(s)

Cd + N2 = Cd3N2 =>
3 Cd + N2 = Cd3N2

BiNO3 + CaI2 = BiI + Ca(NO3)2 =>
2 BiNO3 + CaI2 = 2 BiI + Ca(NO3)2

Si + CO = SiO2 + C =>
Si + 2 CO = SiO2 + 2 C

NaO + H2 = Na + H2O =>
NaO + H2 = Na + H2O

C5H11NO2S + O2 = CO2 + H2O + CH4N2O + SO2 =>
2 C5H11NO2S + 14 O2 = 9 CO2 + 9 H2O + CH4N2O + 2 SO2

BaCO3 + MgCl2 = BaCl2 + MgCO3 =>
BaCO3 + MgCl2 = BaCl2 + MgCO3

Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO

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

Fe + H2 = FeH2 =>
Fe + H2 = FeH2

HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O

FeO2 + HCl = FeCl2 + H2O2 =>
FeO2 + 2 HCl = FeCl2 + H2O2

SO2 + Br2 = SO2Br2 =>
SO2 + Br2 = SO2Br2

KHS + K2CrO4 + H2O = S + KCr(OH)4(H2O)3 + KOH =>
3 KHS + 2 K2CrO4 + 11 H2O = 3 S + 2 KCr(OH)4(H2O)3 + 5 KOH

H2S + Na2SiO3 = H2SiO3 + Na2S =>
H2S + Na2SiO3 = H2SiO3 + Na2S

[Zn(H2O)6]{2+} + OH{-} = Zn(OH)2 + H2O =>
[Zn(H2O)6]{2+} + 2 OH{-} = Zn(OH)2 + 6 H2O

Li(s) + N2(g) = Li3N(s) =>
6 Li(s) + N2(g) = 2 Li3N(s)

Na + Hg = NaHg =>
Na + Hg = NaHg

MgCO + HCl = MgCl + H + CO =>
MgCO + HCl = MgCl + H + CO

B + NH3 = BN + H2 =>
2 B + 2 NH3 = 2 BN + 3 H2

NaOH + H2 = Na + H2O =>
2 NaOH + H2 = 2 Na + 2 H2O

CuO + P2O5 = Cu3(PO4)2 =>
3 CuO + P2O5 = Cu3(PO4)2

Fe3(PO4)2 + H2O = FeO + (PO4)H3 =>
Fe3(PO4)2 + 3 H2O = 3 FeO + 2(PO4)H3

HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O

KMnO4 + Al + S = K2S + Al2O3 + MnO2 =>
6 KMnO4 + 8 Al + 3 S = 3 K2S + 4 Al2O3 + 6 MnO2

Mg{2+} + S{2-} = MgS =>
Mg{2+} + S{2-} = MgS

KAuCl4(aq) + Na2CO3(aq) + H2O(l) = Au(OH)3(aq) + NaCl(aq) + KCl(aq) + CO2(g) =>
2 KAuCl4(aq) + 3 Na2CO3(aq) + 3 H2O(l) = 2 Au(OH)3(aq) + 6 NaCl(aq) + 2 KCl(aq) + 3 CO2(g)

NO2 + K4[Fe(CN)6] + CH3COOH = NO + K3[Fe(CN)6] + CH3COOK + H2O =>
NO2 + 2 K4[Fe(CN)6] + 2 CH3COOH = NO + 2 K3[Fe(CN)6] + 2 CH3COOK + H2O

MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4

NH3(g) + O2(g) = NO2(g) + H2O(g) =>
4 NH3(g) + 7 O2(g) = 4 NO2(g) + 6 H2O(g)

BaCl2 + (NH4)2SO4 = (NH4)2Cl2 + BaSO4 =>
BaCl2 + (NH4)2SO4 = (NH4)2Cl2 + BaSO4

NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O

Fe + FeAs + RbAs + EuAs = EuRbFe4As4 =>
2 Fe + 2 FeAs + RbAs + EuAs = EuRbFe4As4

KMnO4 + C2H5OH + HCl = KCl + MnCl2 + CH3COOH + H2O =>
4 KMnO4 + 5 C2H5OH + 12 HCl = 4 KCl + 4 MnCl2 + 5 CH3COOH + 11 H2O

AlI3 + H2SO4 = I2 + Al2(SO4)3 + H2S + H2O =>
8 AlI3 + 15 H2SO4 = 12 I2 + 4 Al2(SO4)3 + 3 H2S + 12 H2O

NH4Cl + LiOH = LiCl + NH3 + H2O =>
NH4Cl + LiOH = LiCl + NH3 + H2O

C6H5O6 + NaOH = C3H8O3 + NaCO2 =>
C6H5O6 + 3 NaOH = C3H8O3 + 3 NaCO2

Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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