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Chemische vergelijkingen in evenwicht op05/03/16

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Breng de vergelijking van een chemische reactie in evenwicht
Cu + HCl = CuCl + H =>
Cu + HCl = CuCl + H

H2 + Pb3O4 = PbO + H2O =>
H2 + Pb3O4 = 3 PbO + H2O

NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2

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

Br2 + NaI = NaBr2 + I =>
Br2 + NaI = NaBr2 + I

KI + Na2S2O8 = I2 + Na2SO4 + K2SO4 =>
2 KI + Na2S2O8 = I2 + Na2SO4 + K2SO4

C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O

K2Co3 + HCl = KCl + H2Co3 =>
K2Co3 + 2 HCl = 2 KCl + H2Co3

Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O

KClO3 + SO2 + H2SO4 = KHSO4 + ClO2 =>
2 KClO3 + SO2 + H2SO4 = 2 KHSO4 + 2 ClO2

C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4

CuS + NaOH = CuOH + NaS =>
CuS + NaOH = CuOH + NaS

Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O

AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl

C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O

BACO3(s) = BAO(s) + CO2(g) =>
BACO3(s) = BAO(s) + CO2(g)

C25H30N3 + OH = C25H30N3OH =>
C25H30N3 + OH = C25H30N3OH

KI + H2SO4 = K2SO4 + SO2 + I2 + H2O =>
2 KI + 2 H2SO4 = K2SO4 + SO2 + I2 + 2 H2O

NH3 + CO2 = (NH2)2CO + H2O =>
2 NH3 + CO2 = (NH2)2CO + H2O

CrCl2 + O2 + H2O + HCl = Cr(H2O)6Cl3 =>
4 CrCl2 + O2 + 22 H2O + 4 HCl = 4 Cr(H2O)6Cl3

N2 + O2 = NO =>
N2 + O2 = 2 NO

CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)

C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O

C4H12O2N2 + O2 = CO2 + H2O + NH3 =>
2 C4H12O2N2 + 9 O2 = 8 CO2 + 6 H2O + 4 NH3

CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O

Ca3(PO4)2 + H2SO4 = Ca(H2PO4)2 + CaSO4 =>
Ca3(PO4)2 + 2 H2SO4 = Ca(H2PO4)2 + 2 CaSO4

H2O + H2S = H2 + SO2 =>
2 H2O + H2S = 3 H2 + SO2

NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2

Na2ZnO2 + KCl = ZnCl2 + NaCl + K2O =>
Na2ZnO2 + 4 KCl = ZnCl2 + 2 NaCl + 2 K2O

C7H12O3 + O2 = CO2 + H2O =>
2 C7H12O3 + 17 O2 = 14 CO2 + 12 H2O

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

Rb(s) + O2(g) = Rb2O =>
4 Rb(s) + O2(g) = 2 Rb2O

As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2

Mg + HClO3 = MgCl2 + Mg(ClO3)2 + H2O =>
6 Mg + 12 HClO3 = MgCl2 + 5 Mg(ClO3)2 + 6 H2O

H2O = H2 + O2 =>
2 H2O = 2 H2 + O2

CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O

SnS + HNO3 = SnSO4 + NO2 + H2O =>
SnS + 8 HNO3 = SnSO4 + 8 NO2 + 4 H2O

CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)

Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO

SiO + H2O = H2SiO2 =>
SiO + H2O = H2SiO2

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

Ba(s) + O2(g) = Ba2O =>
4 Ba(s) + O2(g) = 2 Ba2O

Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O

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

KOH + H3Po4 = K3Po4 + H2O =>
3 KOH + H3Po4 = K3Po4 + 3 H2O

SilverNitrate + CopperSulphate = SilverSulphate + CopperNitrate =>
SilverNitrate + CopperSulphate = SilverSulphate + CopperNitrate

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

Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2

CH3{-}CH3 + Cl2 = CH2Cl{-}CH2Cl + HCl =>
CH3{-}CH3 + Cl2 = CH2Cl{-}CH2Cl + HCl

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

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Breng de vergelijking van een chemische reactie in evenwicht
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