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Chemische vergelijkingen in evenwicht op11/11/12

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Breng de vergelijking van een chemische reactie in evenwicht
H2CO3 + Na = Na2CO3 + H2 =>
H2CO3 + 2 Na = Na2CO3 + H2

AlCl3 + NaOH + H2O = Na[Al(OH)4] + HCl =>
AlCl3 + NaOH + 3 H2O = Na[Al(OH)4] + 3 HCl

KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2

Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO

KMnO4 + MnCl2 = Cl2 + MnO2 + KCl =>
2 KMnO4 + 2 MnCl2 = Cl2 + 4 MnO2 + 2 KCl

Cd + NO3{-} + H{+} = Cd{2+} + NO + H2O =>
3 Cd + 2 NO3{-} + 8 H{+} = 3 Cd{2+} + 2 NO + 4 H2O

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

KMnO4 + MnSO4 = MnO2 + SO3 + K2SO4 =>
2 KMnO4 + 3 MnSO4 = 5 MnO2 + 2 SO3 + K2SO4

NaOH(aq) + Cu(NO3)2(aq) = Cu(OH)2(s) + NaNO3(aq) =>
2 NaOH(aq) + Cu(NO3)2(aq) = Cu(OH)2(s) + 2 NaNO3(aq)

CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O

Na2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + NaNO3(aq) =>
Na2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 NaNO3(aq)

SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2

MnO4{-} + S{2-} + H{+} = Mn{2+} + H2O + S =>
2 MnO4{-} + 5 S{2-} + 16 H{+} = 2 Mn{2+} + 8 H2O + 5 S

NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4

V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O

SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O

C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O

C + H = C2H6 =>
2 C + 6 H = C2H6

C + H2 = C2H6 =>
2 C + 3 H2 = C2H6

HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O

MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O

C2H2 + O2 = CO2 + H20 =>
10 C2H2 + 20 O2 = 20 CO2 + H20

MnO4{-} + NO2{-} + H2O = MnO2 + NO3{-} + OH{-} =>
2 MnO4{-} + 3 NO2{-} + H2O = 2 MnO2 + 3 NO3{-} + 2 OH{-}

AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl

Na3AsO3 + KMnO4 + KOH = Na3AsO4 + K2MnO4 + H2O =>
Na3AsO3 + 2 KMnO4 + 2 KOH = Na3AsO4 + 2 K2MnO4 + H2O

H2SO4 + CaO = H2O + CaSO4 =>
H2SO4 + CaO = H2O + CaSO4

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

SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3

C17H31COOCH3 + O2 = CO2 + H2O =>
2 C17H31COOCH3 + 53 O2 = 38 CO2 + 34 H2O

NaCl = Cl2 + Na =>
2 NaCl = Cl2 + 2 Na

Cl + Fe = FeCl3 =>
3 Cl + Fe = FeCl3

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

Ca3(PO4)2 + C + SiO2 = CaSiO4 + P4 + CO2 =>
2 Ca3(PO4)2 + 2 C + 6 SiO2 = 6 CaSiO4 + P4 + 2 CO2

HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2

C2H4 + H2 = C2H6 =>
C2H4 + H2 = C2H6

Pb + NiSO4 = PbSO4 + Ni =>
Pb + NiSO4 = PbSO4 + Ni

SrO + H2SO4 = SrSO4 + H2O =>
SrO + H2SO4 = SrSO4 + H2O

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

CH3CH2OH + O2 = H2O + CH3COO =>
4 CH3CH2OH + 5 O2 = 6 H2O + 4 CH3COO

Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O

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

Be(OH)2 + H3PO4 = Be3(PO4)2 + H2O =>
3 Be(OH)2 + 2 H3PO4 = Be3(PO4)2 + 6 H2O

N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O

NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(aq) =>
2 NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(aq)

C3H8 + H2 = C2H10 =>
2 C3H8 + 7 H2 = 3 C2H10

FeS + H2SO4 = FeSO4 + H2S =>
FeS + H2SO4 = FeSO4 + H2S

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

HCl = Cl2 + H2 =>
2 HCl = Cl2 + H2

PbNO3 + KI = PbI2 + K2NO3 =>
PbNO3 + 2 KI = PbI2 + K2NO3

K2Cr2O7 + SnCl2 + H2SO4 = Cr2(SO4)3 + K2SO4 + Sn2SO4 + Cl2 + H2O =>
K2Cr2O7 + 6 SnCl2 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Sn2SO4 + 6 Cl2 + 7 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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