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Chemische vergelijkingen in evenwicht op06/20/13

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Breng de vergelijking van een chemische reactie in evenwicht
H2CO + O2 = CO + H2O =>
2 H2CO + O2 = 2 CO + 2 H2O

K2CrO4 + CH3COOH = K2Cr2O7 + KCH3COO + H2O =>
2 K2CrO4 + 2 CH3COOH = K2Cr2O7 + 2 KCH3COO + H2O

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

Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3

AgNO3 + CuSo4 = AgSo4 + CuNO3 =>
AgNO3 + CuSo4 = AgSo4 + CuNO3

K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2

Na2SO4 + FeCl3 = NaCl + Fe2(SO4)3 =>
3 Na2SO4 + 2 FeCl3 = 6 NaCl + Fe2(SO4)3

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

Na2S + H2SO4 + FeCl3 = Na2SO4 + FeSO4 + S + HCl =>
Na2S + 3 H2SO4 + 2 FeCl3 = Na2SO4 + 2 FeSO4 + S + 6 HCl

Na + HNO2 = NaNO2 + H2 =>
2 Na + 2 HNO2 = 2 NaNO2 + H2

NO2 + F2 = NO2F =>
2 NO2 + F2 = 2 NO2F

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

CH3NH3 + O2 = CO2 + H2O + N2 =>
2 CH3NH3 + 5 O2 = 2 CO2 + 6 H2O + N2

Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2

NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O

Na + HNO2 = NaNO2 + H2 =>
2 Na + 2 HNO2 = 2 NaNO2 + H2

Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2

Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH

K2Cr2O7 + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2

Cu(NO3)2 + Na2CO3 = CuCO3 + NaNO3 =>
Cu(NO3)2 + Na2CO3 = CuCO3 + 2 NaNO3

Ca(NO3)2 + K3PO4 = Ca3(PO4)2 + KNO3 =>
3 Ca(NO3)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KNO3

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

Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3

KOH + H3PO4 = K3 + PO4 + H2O =>
3 KOH + H3PO4 = K3 + PO4 + 3 H2O

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

NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl

COCl2 + H2O = CO2 + HCl =>
COCl2 + H2O = CO2 + 2 HCl

Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2

P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4

Ni + HCl = H2 + NiCl3 =>
2 Ni + 6 HCl = 3 H2 + 2 NiCl3

Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag

BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl

Mg(NO3)2 + NaCl = MgCl2 + NaNO3 =>
Mg(NO3)2 + 2 NaCl = MgCl2 + 2 NaNO3

Br2 + CuI = CuBr + I2 =>
Br2 + 2 CuI = 2 CuBr + I2

CaSO4 + CH4 + CO2 = CaCO3 + S + H2O =>
4 CaSO4 + 3 CH4 + CO2 = 4 CaCO3 + 4 S + 6 H2O

Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3

Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl

CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2

Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3

HIO3 + K2SO3 = I2 + K2SO4 + H2O =>
2 HIO3 + 5 K2SO3 = I2 + 5 K2SO4 + H2O

Pb(NO3)2 + Li2SO4 = PbSO4 + LiNO3 =>
Pb(NO3)2 + Li2SO4 = PbSO4 + 2 LiNO3

Mg(NO3)2 + NaBr = Mg(Br)2 + NaNO3 =>
Mg(NO3)2 + 2 NaBr = Mg(Br)2 + 2 NaNO3

AL + Br = ALBr =>
AL + Br = ALBr

H2SO4 + AlBr3 = HBr + Al2(SO4)3 =>
3 H2SO4 + 2 AlBr3 = 6 HBr + Al2(SO4)3

Al + Br = AlBr =>
Al + Br = AlBr

Mg(NO3)2 + Na2SO4 = MgSO4 + NaNO3 =>
Mg(NO3)2 + Na2SO4 = MgSO4 + 2 NaNO3

CH3COCl + C2H5OH = CH3COOH + C2H5Cl =>
CH3COCl + C2H5OH = CH3COOH + C2H5Cl

NaOH + CuSO4 = Na2SO4 + Cu(OH)2 =>
2 NaOH + CuSO4 = Na2SO4 + Cu(OH)2

CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2

Ca + S = CaS =>
Ca + S = CaS

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Breng de vergelijking van een chemische reactie in evenwicht
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