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Chemische vergelijkingen in evenwicht op12/03/24

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Breng de vergelijking van een chemische reactie in evenwicht
C21H16 + O2 = CO2 + H2O =>
C21H16 + 25 O2 = 21 CO2 + 8 H2O

I + HNO3 = HIO3 + NO + H2O =>
3 I + 5 HNO3 = 3 HIO3 + 5 NO + H2O

Ca3(PO4)2 + Ca3P2 = CaO + P4 =>
3 Ca3(PO4)2 + 5 Ca3P2 = 24 CaO + 4 P4

Bi + H2S = BiS3 + H2 =>
Bi + 3 H2S = BiS3 + 3 H2

Al2(OH)3 + NaOH = Na3Al2O3 + H2O =>
Al2(OH)3 + 3 NaOH = Na3Al2O3 + 3 H2O

HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7

SO3 + HCl = H2SO3 + Cl =>
SO3 + 2 HCl = H2SO3 + 2 Cl

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

C6H6COO + O2 = CO2 + H2O =>
2 C6H6COO + 15 O2 = 14 CO2 + 6 H2O

Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3

CaCO3 + SiO2 = CaSiO3 + CO2 =>
CaCO3 + SiO2 = CaSiO3 + CO2

C4H8O + H2O2 = C4H10O4 + H2O =>
C4H8O + 2 H2O2 = C4H10O4 + H2O

H2C2O4 + O2 = CO2 + H2O =>
2 H2C2O4 + O2 = 4 CO2 + 2 H2O

Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3

CH3COOH + Ca(OH)2 = HOH + Ca(CH3COO)2 =>
2 CH3COOH + Ca(OH)2 = 2 HOH + Ca(CH3COO)2

K4Fe(CN)6 + H2SO4 + H2O2 = K2SO4 + FeSO4 + (NH4)2SO4 + CO + O2 =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O2 = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO + 3 O2

Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3

BaOH(aq) + H3PO4 = Ba3PO4 + H2O =>
3 BaOH(aq) + H3PO4 = Ba3PO4 + 3 H2O

H2C2O4 + CaCl2 = CaC2O4 + HCl =>
H2C2O4 + CaCl2 = CaC2O4 + 2 HCl

H3PO3 + KOH = H2O + KH2PO3 =>
H3PO3 + KOH = H2O + KH2PO3

KClO3 + H2SO4 + KI = KCl + K2SO4 + I2 + H2O =>
KClO3 + 3 H2SO4 + 6 KI = KCl + 3 K2SO4 + 3 I2 + 3 H2O

*2Pb + O2 = *PbO =>
*2Pb + O2 = 2*PbO

NaOH + CoSO4 = Co(OH)2 + Na2SO4 =>
2 NaOH + CoSO4 = Co(OH)2 + Na2SO4

NaOH + Ca(OH)2 = CaOH + Na(OH)2 =>
NaOH + Ca(OH)2 = CaOH + Na(OH)2

Mg + HNO3 + HCl = MgCl2 + NO2 + H2O =>
Mg + 2 HNO3 + 2 HCl = MgCl2 + 2 NO2 + 2 H2O

HBr + Hg = HgBrH =>
HBr + Hg = HgBrH

SOH + H2O = SO4 + H =>
SOH + 3 H2O = SO4 + 7 H

Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe

Li[AlH4] + H2O = LiOH + Al(OH)3 + H2 =>
Li[AlH4] + 4 H2O = LiOH + Al(OH)3 + 4 H2

H2C2O4 + CaCl2 = CaC2O4 + HCl =>
H2C2O4 + CaCl2 = CaC2O4 + 2 HCl

Br2O = Br + O =>
Br2O = 2 Br + O

KMnO4 + H2SO4 + CH3CH2CHO = K2SO4 + MnSO4 + CH3CH2COOH + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3CH2CHO = K2SO4 + 2 MnSO4 + 5 CH3CH2COOH + 3 H2O

C12H22O11 + C6H8O7 + H2O = C18H32O19 =>
C12H22O11 + C6H8O7 + H2O = C18H32O19

Na2SO3 + O2 = Na2SO4 =>
2 Na2SO3 + O2 = 2 Na2SO4

Br2 + H2C2O4 = HBr + CO2 =>
Br2 + H2C2O4 = 2 HBr + 2 CO2

MnSO4 + KOH = MnO + K2SO4 + H2O =>
MnSO4 + 2 KOH = MnO + K2SO4 + H2O

Br2 + H2C2O4 = HBr + CO2 =>
Br2 + H2C2O4 = 2 HBr + 2 CO2

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

Sb(OH)3 + CH3CSNH2 = CH3CO2 + Sb2S3 + NH3 + H =>
2 Sb(OH)3 + 3 CH3CSNH2 = 3 CH3CO2 + Sb2S3 + 3 NH3 + 3 H

Li + H2SO4 = Li2SO4 + H2 =>
2 Li + H2SO4 = Li2SO4 + H2

S + ZnO = Zn2S + O2 =>
S + 2 ZnO = Zn2S + O2

Br2 + H2C2O4 = HBr + CO2 =>
Br2 + H2C2O4 = 2 HBr + 2 CO2

*CO2 + *H2O = C6H12O6 + O2 =>
6*CO2 + 6*H2O = C6H12O6 + 6 O2

Cr + OH = Cr2O7 + H2O =>
2 Cr + 14 OH = Cr2O7 + 7 H2O

As2O3 + I2 + H2O = H3AsO4 + HI =>
As2O3 + 2 I2 + 5 H2O = 2 H3AsO4 + 4 HI

Zn + Ni(C2H3O2)2 = Zn(C2H3O2)2 + Ni =>
Zn + Ni(C2H3O2)2 = Zn(C2H3O2)2 + Ni

H2C2O4 + CaCl2 = CaC2O4 + HCl =>
H2C2O4 + CaCl2 = CaC2O4 + 2 HCl

H2C2O4 + O2 = CO2 + H2O =>
2 H2C2O4 + O2 = 4 CO2 + 2 H2O

Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2

titanium(IV)chloride + water = titanium(IV)oxide + hydrogenchloride =>
TiCl4 + 2 H2O = TiO2 + 4 HCl

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Breng de vergelijking van een chemische reactie in evenwicht
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