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Chemische vergelijkingen in evenwicht op01/06/18

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Breng de vergelijking van een chemische reactie in evenwicht
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O

KI + H2SO4 = K2SO4 + I2 + S + H2O =>
6 KI + 4 H2SO4 = 3 K2SO4 + 3 I2 + S + 4 H2O

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

C + H2 = CH4 =>
C + 2 H2 = CH4

NO2 + H20 = NO + HNO3 =>
40 NO2 + H20 = 20 NO + 20 HNO3

Al2(CO3)3 + H2SO4 = Al2(SO4)3 + CO2 + H2O =>
Al2(CO3)3 + 3 H2SO4 = Al2(SO4)3 + 3 CO2 + 3 H2O

Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3

PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2

NO2 + H2O = NO + HNO3 =>
3 NO2 + H2O = NO + 2 HNO3

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

Li4FeMoO6 + MnCl2 = Mn2FeMoO6 + LiCl =>
Li4FeMoO6 + 2 MnCl2 = Mn2FeMoO6 + 4 LiCl

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

H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4

HClO4 + Na2CO3 = H2O + CO2 + NaClO4 =>
2 HClO4 + Na2CO3 = H2O + CO2 + 2 NaClO4

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

Li4NiWO6 + MnCl2 = Mn2NiWO6 + LiCl =>
Li4NiWO6 + 2 MnCl2 = Mn2NiWO6 + 4 LiCl

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

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

H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4

AuCl3 + K2CO3 = Au2(CO3)3 + KCl =>
2 AuCl3 + 3 K2CO3 = Au2(CO3)3 + 6 KCl

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

PCl3 = P4 + Cl2 =>
4 PCl3 = P4 + 6 Cl2

KCrO2 + H2O2 + KOH = K2CrO4 + H2O =>
2 KCrO2 + 3 H2O2 + 2 KOH = 2 K2CrO4 + 4 H2O

Al(OH)3 + H2SO4 = Al(HSO4)3 + H2O =>
Al(OH)3 + 3 H2SO4 = Al(HSO4)3 + 3 H2O

CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH

Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O

N2H4 + I2 = I{-} + N2 + H{+} =>
N2H4 + 2 I2 = 4 I{-} + N2 + 4 H{+}

C + S = CS2 =>
C + 2 S = CS2

FE(OH)3 + HCl = FECl3 + H2O =>
FE(OH)3 + 3 HCl = FECl3 + 3 H2O

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

CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH

KClO3 + KI + HCl = I2 + KCl + H2O =>
KClO3 + 6 KI + 6 HCl = 3 I2 + 7 KCl + 3 H2O

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

CO = C + CO2 =>
2 CO = C + CO2

BrO3{-} + AsO2{-} + OH{-} = Br{-} + AsO4{3-} + H2O =>
BrO3{-} + 3 AsO2{-} + 6 OH{-} = Br{-} + 3 AsO4{3-} + 3 H2O

CH3NH3 + H2O = CH3NH2 + H3O =>
CH3NH3 + H2O = CH3NH2 + H3O

Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O

CH3OH = CO + H2 =>
CH3OH = CO + 2 H2

Na2SO3 + K2Cr2O7 = Na2Cr2O7 + K2SO3 =>
Na2SO3 + K2Cr2O7 = Na2Cr2O7 + K2SO3

C2H2 + OH = (COO)2 + H2O =>
C2H2 + 10 OH = (COO)2 + 6 H2O

Pt + HNO2 + HCl = H2[PtCl6] + NO + H2O =>
Pt + 4 HNO2 + 6 HCl = H2[PtCl6] + 4 NO + 4 H2O

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

H2S + HNO3 = H2SO4 + NO + H20 =>
10 H2S + 20 HNO3 = 10 H2SO4 + 20 NO + H20

H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O

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

N2H4 + KIO3 = N2 + KI + H2O =>
3 N2H4 + 2 KIO3 = 3 N2 + 2 KI + 6 H2O

H2 + Cl2 = HCl2 =>
H2 + 2 Cl2 = 2 HCl2

C + O2 = CO =>
2 C + O2 = 2 CO

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

H2SO3 + LiOH = Li2(SO3) + H2O =>
H2SO3 + 2 LiOH = Li2(SO3) + 2 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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