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Chemische vergelijkingen in evenwicht op12/27/24

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Breng de vergelijking van een chemische reactie in evenwicht
PbS + HNO3 = PbSO4 + NO2 + H2O =>
PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O

CH3CH2CH3 + Br2 = CH3CH2CH2Br + HBr =>
CH3CH2CH3 + Br2 = CH3CH2CH2Br + HBr

NO2 + CuO = Cu(NO3)2 + Cu =>
2 NO2 + 2 CuO = Cu(NO3)2 + Cu

C + Si = CSi =>
C + Si = CSi

C2H5COOH + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C2H5COOH + 7 K2Cr2O7 + 28 H2SO4 = 9 CO2 + 7 K2SO4 + 7 Cr2(SO4)3 + 37 H2O

P4 + S2 = P4S3 =>
2 P4 + 3 S2 = 2 P4S3

Zn(OH)2 + H3SbO4 = Zn(H2SbO4)2 + H2O =>
Zn(OH)2 + 2 H3SbO4 = Zn(H2SbO4)2 + 2 H2O

CuO + CO + H2 = Cu + HCO3 =>
4 CuO + 2 CO + H2 = 4 Cu + 2 HCO3

C4H8O2 + NaOH = C2H3O2Na + C2H6O =>
C4H8O2 + NaOH = C2H3O2Na + C2H6O

S8 + BaO = BaS + O2 =>
S8 + 8 BaO = 8 BaS + 4 O2

K4Fe(CN)6 + Co(NO3)2 = Co4[Fe(CN)6]2 + KNO3 =>
2 K4Fe(CN)6 + 4 Co(NO3)2 = Co4[Fe(CN)6]2 + 8 KNO3

C8H11NO2 + O2 = CO2 + H2O + NO2 =>
4 C8H11NO2 + 43 O2 = 32 CO2 + 22 H2O + 4 NO2

CH2O + Cu(OH)2 = HCOOH + CuOH + H2 =>
2 CH2O + 2 Cu(OH)2 = 2 HCOOH + 2 CuOH + H2

Se + Cl2 + H2O = H2SeO4 + HCl =>
Se + 3 Cl2 + 4 H2O = H2SeO4 + 6 HCl

NaBr + AgC2H3O2 = AgBr + NaC2H3O2 =>
NaBr + AgC2H3O2 = AgBr + NaC2H3O2

K2Cr2O7(s) = Cr2O3(s) + K2O(s) + O2(g) =>
2 K2Cr2O7(s) = 2 Cr2O3(s) + 2 K2O(s) + 3 O2(g)

Cs2S + H2O = H2S + CsOH =>
Cs2S + 2 H2O = H2S + 2 CsOH

Be + I = BeI2 =>
Be + 2 I = BeI2

RuP + P4 = RuP2 =>
4 RuP + P4 = 4 RuP2

Zn{2*} + Cu = Cu{2+} + Zn =>
Zn{2*} + Cu = Cu{2+} + Zn

MgOH + HClO2 = MgClO2 + H2O =>
MgOH + HClO2 = MgClO2 + H2O

Fe2O3 + Al3 = AlO + Fe2 =>
Fe2O3 + Al3 = 3 AlO + Fe2

NBr + H2 = N2 + HBr =>
2 NBr + H2 = N2 + 2 HBr

CH3CCCH3 + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
9 CH3CCCH3 + 5 K2Cr2O7 + 20 H2SO4 = 12 CH3CH2COOH + 5 K2SO4 + 5 Cr2(SO4)3 + 11 H2O

LiO + KI = LiI + KO =>
LiO + KI = LiI + KO

C2H4O + C6H3(NO2)2NHNH2 = C8H8N4O4 + H2O =>
C2H4O + C6H3(NO2)2NHNH2 = C8H8N4O4 + H2O

AgCO3 + Ca = CaCO3 + Ag =>
AgCO3 + Ca = CaCO3 + Ag

Y + HXO3 = H2YO4 + XO2 + H2O =>
Y + 6 HXO3 = H2YO4 + 6 XO2 + 2 H2O

CoO = Co + O2 =>
2 CoO = 2 Co + O2

LiO + KI = LiI + KO =>
LiO + KI = LiI + KO

C5H7O2N + O2 = CO2 + H2O + N2 =>
4 C5H7O2N + 23 O2 = 20 CO2 + 14 H2O + 2 N2

CaBr2 + Na2HPO4 = Ca2(HPO4)2 + NaBr =>
2 CaBr2 + 2 Na2HPO4 = Ca2(HPO4)2 + 4 NaBr

CoO + O2 = Co2O3 =>
4 CoO + O2 = 2 Co2O3

NaF + H2S = Na2S + HF =>
2 NaF + H2S = Na2S + 2 HF

HBrO(aq) + O2(g) = HBrO2(aq) =>
2 HBrO(aq) + O2(g) = 2 HBrO2(aq)

KNO3 + NaOH + Al + H2O = NH3 + NaAlO2 + KAlO2 =>
3 KNO3 + 5 NaOH + 8 Al + 2 H2O = 3 NH3 + 5 NaAlO2 + 3 KAlO2

H2S + KMnO4 = H2O + K2SO4 + KOH + MnO2 =>
3 H2S + 8 KMnO4 = 2 H2O + 3 K2SO4 + 2 KOH + 8 MnO2

H2(g) + Cl2 = HCl(aq) =>
H2(g) + Cl2 = 2 HCl(aq)

UF6 + Br2 = UBr6 + F2 =>
UF6 + 3 Br2 = UBr6 + 3 F2

C3H6S + O2 = CO2 + H2O + SO3 =>
C3H6S + 6 O2 = 3 CO2 + 3 H2O + SO3

Cr2O3{2-} + ClO{-} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
Cr2O3{2-} + 4 ClO{-} + 2 OH{-} = 2 CrO4{2-} + 4 Cl{-} + H2O

Ca + Fe3O4 = CaO + FeO =>
Ca + Fe3O4 = CaO + 3 FeO

KNO2 + H2SO4 = HNO2 + KHSO4 =>
KNO2 + H2SO4 = HNO2 + KHSO4

Cl + H2O + NaCl = HCl + NaClO =>
2 Cl + H2O + NaCl = 2 HCl + NaClO

Na2B4O7*10H2O + H2O2 + NaOH + H2O = Na2[B2(OH)4(O2)2]*6H2O =>
Na2B4O7*10H2O + 4 H2O2 + 2 NaOH + H2O = 2 Na2[B2(OH)4(O2)2]*6H2O

Mn(NO3)2 + KBrO3 + KOH = KBr + MnO2 + KNO3 + H2O =>
3 Mn(NO3)2 + KBrO3 + 6 KOH = KBr + 3 MnO2 + 6 KNO3 + 3 H2O

C3H8O3 + O = CO + H2O =>
C3H8O3 + 4 O = 3 CO + 4 H2O

SCN{-} + I2 + OH{-} = CN{-} + SO4{2-} + I{-} + H2O =>
SCN{-} + 3 I2 + 8 OH{-} = CN{-} + SO4{2-} + 6 I{-} + 4 H2O

CO2 + H3O = H2CO + H2O =>
CO2 + 4 H3O = H2CO + 5 H2O

AgNO3 + H2SO3 = HNO3 + Ag2SO3 =>
2 AgNO3 + H2SO3 = 2 HNO3 + Ag2SO3

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Breng de vergelijking van een chemische reactie in evenwicht
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