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Chemische vergelijkingen in evenwicht op02/03/11

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Breng de vergelijking van een chemische reactie in evenwicht
Cr + Sg = Cr2Sg3 =>
2 Cr + 3 Sg = Cr2Sg3

S + O2 = SO2 =>
S + O2 = SO2

C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O

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

C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20

NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O

C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O

NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O

KPO4{-3} + BCl = KCl + BPO4{-3} =>
KPO4{-3} + BCl = KCl + BPO4{-3}

HBr + (C6H5)COH = (C6H5)3CH3CO + (CH3)2CO + Br =>
48 HBr + 17(C6H5)COH = 4(C6H5)3CH3CO + 13(CH3)2CO + 48 Br

HgO = Hg + O2 =>
2 HgO = 2 Hg + O2

N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O

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

C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH =>
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH

Cd(NO2) + NH4Cl = NH4(NO2) + CdCl =>
Cd(NO2) + NH4Cl = NH4(NO2) + CdCl

AgNO3 + Na2SO4 = NaNO3 + Ag2SO4 =>
2 AgNO3 + Na2SO4 = 2 NaNO3 + Ag2SO4

C3H6 + O2 = CO + H2O =>
C3H6 + 3 O2 = 3 CO + 3 H2O

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

Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO

KCl + H2O = KOH + H + Cl =>
KCl + H2O = KOH + H + Cl

FeCl3 + AgNO3 = Fe(NO3)3 + AgCl =>
FeCl3 + 3 AgNO3 = Fe(NO3)3 + 3 AgCl

H2SO4 + Al(OH3) = H2OH3 + AlSO4 =>
H2SO4 + Al(OH3) = H2OH3 + AlSO4

CH4 + O2 = CO2 + H4 =>
CH4 + O2 = CO2 + H4

HNO3 + MgCO3 = Mg(NO3)2 + H2O + CO2 =>
2 HNO3 + MgCO3 = Mg(NO3)2 + H2O + CO2

Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2

Ca3P2 + H2O = PH3 + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca(OH)2

H2SO4 + Li = H2 + LiSO4 =>
H2SO4 + Li = H2 + LiSO4

CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH

C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20

C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O

AuO3 = Au + O2 =>
2 AuO3 = 2 Au + 3 O2

Na2SO4 + HCl = NaCl + SO2 + H2O + O =>
Na2SO4 + 2 HCl = 2 NaCl + SO2 + H2O + O

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

AgNO3 + Na2SO4 = NaNO3 + Ag2SO4 =>
2 AgNO3 + Na2SO4 = 2 NaNO3 + Ag2SO4

Ag(NO3) + Na3PO4 = Ag3PO4 + Na(NO3) =>
3 Ag(NO3) + Na3PO4 = Ag3PO4 + 3 Na(NO3)

Fe2P + FeS2 = Fe2S + P4S10 =>
12 Fe2P + 28 FeS2 = 26 Fe2S + 3 P4S10

HCl + CaOH = CaCl + H2O =>
HCl + CaOH = CaCl + H2O

C2H4 + O2 = CO2 + H20 =>
5 C2H4 + 10 O2 = 10 CO2 + H20

C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O

NO + O2 = NO2 =>
2 NO + O2 = 2 NO2

Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2

HCl + AlOH = AlCl + H2O =>
HCl + AlOH = AlCl + H2O

C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O

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

K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg

HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O

NH3 + Cl2 = NH4Cl + NCl3 =>
4 NH3 + 3 Cl2 = 3 NH4Cl + NCl3

C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O

Fe2P + FeS2 = FeS + P4S10 =>
4 Fe2P + 18 FeS2 = 26 FeS + P4S10

Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3

1 2 3 4 5 6
Breng de vergelijking van een chemische reactie in evenwicht
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