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Chemische vergelijkingen in evenwicht op03/30/16

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Breng de vergelijking van een chemische reactie in evenwicht
Pb(No3)2 + KI = KNo3 + PbI2 =>
Pb(No3)2 + 2 KI = 2 KNo3 + PbI2

C2H2(l) + F2(g) = C2H2F2(g) =>
C2H2(l) + F2(g) = C2H2F2(g)

S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O

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

C2H6O + K2Cr2O7 + H2SO4 = C2H4O2 + K2SO4 + Cr2(SO4)2 + H2O =>
2 C2H6O + K2Cr2O7 + 3 H2SO4 = 2 C2H4O2 + K2SO4 + Cr2(SO4)2 + 5 H2O

Zn + CuCl = ZnCl2 + Cu =>
Zn + 2 CuCl = ZnCl2 + 2 Cu

Zn + Hg(NO3) = Zn(NO3)2 + Hg =>
Zn + 2 Hg(NO3) = Zn(NO3)2 + 2 Hg

C8H2O4 + C2H6O2 = C16H2O4 + H2O =>
11 C8H2O4 + 12 C2H6O2 = 7 C16H2O4 + 40 H2O

Zn + Hg(NO3) = Zn(NO3)2 + Hg =>
Zn + 2 Hg(NO3) = Zn(NO3)2 + 2 Hg

C3H7Cl + NaOH = C3H7OH + NaCl =>
C3H7Cl + NaOH = C3H7OH + NaCl

C2H6O + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4)2 + H2O =>
4 C2H6O + K2Cr2O7 + 3 H2SO4 = 4 C2H4O + K2SO4 + Cr2(SO4)2 + 7 H2O

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

Co(OH)2 + HNO3 = Co(NO3)2 + H2O =>
Co(OH)2 + 2 HNO3 = Co(NO3)2 + 2 H2O

HNO3 + Rb = RbNO3 + NH3 + H2O =>
9 HNO3 + 8 Rb = 8 RbNO3 + NH3 + 3 H2O

C6H5NH2 + O2 = CO2 + H2O + N2 =>
4 C6H5NH2 + 31 O2 = 24 CO2 + 14 H2O + 2 N2

Al + HClO3 = Al(ClO3)3 + H2 =>
2 Al + 6 HClO3 = 2 Al(ClO3)3 + 3 H2

Ba{2+} + SO4{2-} = BaSO4 =>
Ba{2+} + SO4{2-} = BaSO4

Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2

Cl2 + H2O + Ca = Ca(OH)2 + HCl =>
Cl2 + 2 H2O + Ca = Ca(OH)2 + 2 HCl

C3H6O2 + Zn = (C3H4O2)Zn + H2 =>
C3H6O2 + Zn = (C3H4O2)Zn + H2

Fe(II) + S = Fe(II)S =>
Fe(II) + S = Fe(II)S

K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COH + H2O =>
K2Cr2O7 + 3 CH3CH2OH + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3COH + 7 H2O

HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O

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

K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COH + H2O =>
K2Cr2O7 + 3 CH3CH2OH + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3COH + 7 H2O

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

Cu(NO3)2 + NAOH = Cu(OH)2 + NANO3 =>
Cu(NO3)2 + 2 NAOH = Cu(OH)2 + 2 NANO3

C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O

C3H7OH = C3H6 + H2O =>
C3H7OH = C3H6 + H2O

Cu(s) + S(s) = CuS(s) =>
Cu(s) + S(s) = CuS(s)

KCO3 + HCl = KCl2 + H2O + CO2 =>
KCO3 + 2 HCl = KCl2 + H2O + CO2

SnCl2 + HgCl2 = SnCl4 + HgCl =>
SnCl2 + 2 HgCl2 = SnCl4 + 2 HgCl

KCO3 + HCl = KCl2 + H2O + CO2 =>
KCO3 + 2 HCl = KCl2 + H2O + CO2

Na2S + AgNO3 = Ag2S + NaNO3 =>
Na2S + 2 AgNO3 = Ag2S + 2 NaNO3

Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3

ClO3{-} + H{+} + e = Cl{-} + H2O =>
ClO3{-} + 6 H{+} + 6e = Cl{-} + 3 H2O

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

HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O

Cu(OH)2 + H2SO4 = Cu(SO4) + H2O =>
Cu(OH)2 + H2SO4 = Cu(SO4) + 2 H2O

Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3

CoCl2 + KOH = KCl2 + CoOH =>
CoCl2 + KOH = KCl2 + CoOH

Fe + H3O{+} = Fe2{+} + H2 + H2O =>
4 Fe + 2 H3O{+} = 2 Fe2{+} + H2 + 2 H2O

NaClO + H2S = NaCl + H2SO4 =>
4 NaClO + H2S = 4 NaCl + H2SO4

Fe + H3O{+} = Fe2{+} + H2 + H2O =>
4 Fe + 2 H3O{+} = 2 Fe2{+} + H2 + 2 H2O

MnCl2 + KCl + H2O2 = KMnO4 + HCl + H2O =>
2 MnCl2 + 2 KCl + 5 H2O2 = 2 KMnO4 + 6 HCl + 2 H2O

KCN + PbO2 + HCl = KCl + PbCl2 + CO2 + NO + H2O =>
2 KCN + 7 PbO2 + 16 HCl = 2 KCl + 7 PbCl2 + 2 CO2 + 2 NO + 8 H2O

Ni(OH)2 + H3PO4 = Ni3(PO4)2 + H2O =>
3 Ni(OH)2 + 2 H3PO4 = Ni3(PO4)2 + 6 H2O

CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2

Co(s) + H2SO4(aq) = H2(g) + Co2(SO4)3(aq) =>
2 Co(s) + 3 H2SO4(aq) = 3 H2(g) + Co2(SO4)3(aq)

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

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