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Chemische vergelijkingen in evenwicht op03/29/12

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Breng de vergelijking van een chemische reactie in evenwicht
KMnO4 + H2SO4 = K2SO4 + Mn2O7 + H2O =>
2 KMnO4 + H2SO4 = K2SO4 + Mn2O7 + H2O

Ca(CN)2 + H2O = HCN + Ca(OH)2 =>
Ca(CN)2 + 2 H2O = 2 HCN + Ca(OH)2

Zn + H2Po4 = ZnH2Po4 =>
Zn + H2Po4 = ZnH2Po4

H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O

Cd(NO3)2 + NH4S = CdS2 + NH4NO3 =>
Cd(NO3)2 + 2 NH4S = CdS2 + 2 NH4NO3

C3C6H6 + O2 = CO2 + H2O =>
2 C3C6H6 + 21 O2 = 18 CO2 + 6 H2O

HClO3 = H2O + ClO2 + HClO4 =>
3 HClO3 = H2O + 2 ClO2 + HClO4

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

Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)

Zn + H2Po4 = ZnH2Po4 =>
Zn + H2Po4 = ZnH2Po4

HBrO3 + Ba(OH)2 = Ba(BrO3)2 + H2O =>
2 HBrO3 + Ba(OH)2 = Ba(BrO3)2 + 2 H2O

C2H2 + O2 = CHO =>
C2H2 + O2 = 2 CHO

P4(s) + O2(g) = P4O10(s) =>
P4(s) + 5 O2(g) = P4O10(s)

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

BaCl2 + K2SO4 = BaSO4 + KCl =>
BaCl2 + K2SO4 = BaSO4 + 2 KCl

BaCO3 + Na2SO4 = BaSO4 + Na2CO3 =>
BaCO3 + Na2SO4 = BaSO4 + Na2CO3

NaOH + Pb(NO3)2 = Na(NO3)2 + PbOH =>
NaOH + Pb(NO3)2 = Na(NO3)2 + PbOH

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

Sb2S3(s) + HCl(aq) = SbCl3(s) + H2S(g) =>
Sb2S3(s) + 6 HCl(aq) = 2 SbCl3(s) + 3 H2S(g)

HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2

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

PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4

Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)

Sn(OH) + HBr = H2O + SnBr =>
Sn(OH) + HBr = H2O + SnBr

Na + O = NaO =>
Na + O = NaO

Na + O2 = NaO =>
2 Na + O2 = 2 NaO

Pb(C2H3O2)2 + KI = PbI2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 KC2H3O2

Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O

C6H8O7H2O + KOH = H2O + C6H5K3O7 =>
C6H8O7H2O + 3 KOH = 4 H2O + C6H5K3O7

Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2

NH4CNO = H2NCONH2 =>
NH4CNO = H2NCONH2

C51H98O6 + CH3OH = C20H40O2 + C3H8O3 =>
2 C51H98O6 + 7 CH3OH = 5 C20H40O2 + 3 C3H8O3

Na3N = Na + N2 =>
2 Na3N = 6 Na + N2

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

S + HNO3 = H2SO4 + NO2 + H20 =>
10 S + 40 HNO3 = 10 H2SO4 + 40 NO2 + H20

NH4CNO = H2NCONH2 =>
NH4CNO = H2NCONH2

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

C6H8O7H2O + KOH = H2O + C6H5K3O7 =>
C6H8O7H2O + 3 KOH = 4 H2O + C6H5K3O7

NH4ClO3 + Ca2SO3 = (NH4)2SO3 + CaClO3 =>
2 NH4ClO3 + Ca2SO3 = (NH4)2SO3 + 2 CaClO3

C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2

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

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

CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O

Mg(NO3)2 + NaOH = MgOH + Na(NO3)2 =>
Mg(NO3)2 + NaOH = MgOH + Na(NO3)2

Br2 + NaCl = NaBr + Cl2 =>
Br2 + 2 NaCl = 2 NaBr + Cl2

CuS + HNO3 = Cu(NO3)2 + NO + S2 + H2O =>
6 CuS + 16 HNO3 = 6 Cu(NO3)2 + 4 NO + 3 S2 + 8 H2O

Cu2S + HNO3 = Cu(NO3)2 + NO + S2 + H2O =>
6 Cu2S + 32 HNO3 = 12 Cu(NO3)2 + 8 NO + 3 S2 + 16 H2O

NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O

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

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

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Breng de vergelijking van een chemische reactie in evenwicht
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