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Chemische vergelijkingen in evenwicht op10/30/19

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Breng de vergelijking van een chemische reactie in evenwicht
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O

Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2

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

K2O + HNO3 = KNO3 + H2O =>
K2O + 2 HNO3 = 2 KNO3 + H2O

H2 + N2 = HN3 =>
H2 + 3 N2 = 2 HN3

K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O

CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O

CH3SH + CO = CH3CO(SCH3) + H2S =>
2 CH3SH + CO = CH3CO(SCH3) + H2S

HClO4 + CaOH = CaClO4 + H2O =>
HClO4 + CaOH = CaClO4 + H2O

Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O

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

HClO4(l) + P2O5(s) = Cl2O7(l) + HPO3(s) =>
2 HClO4(l) + P2O5(s) = Cl2O7(l) + 2 HPO3(s)

HCl + Li2SiO3 = LiCl + H2SiO3 =>
2 HCl + Li2SiO3 = 2 LiCl + H2SiO3

FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S

Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2

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

NaC2H3O2 + CrBr3 = NaBr3 + CrC2H3O2 =>
NaC2H3O2 + CrBr3 = NaBr3 + CrC2H3O2

Al + KOH + H2SO4 + H2O = KAl(SO4)2*12H2O + H2 =>
2 Al + 2 KOH + 4 H2SO4 + 22 H2O = 2 KAl(SO4)2*12H2O + 3 H2

K2O + H2O = KOH =>
K2O + H2O = 2 KOH

KOH + AlCl3 = Al(OH)3 + KCl =>
3 KOH + AlCl3 = Al(OH)3 + 3 KCl

H2S + CO = CH3CO2H + S8 =>
8 H2S + 8 CO = 4 CH3CO2H + S8

H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4

MgSO4*7H2O = Mg + SO2 + O2 + H2O =>
MgSO4*7H2O = Mg + SO2 + O2 + 7 H2O

NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O

H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O

Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O

Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O

MgSO4*7H2O = Mg + SO2 + O2 + H2O =>
MgSO4*7H2O = Mg + SO2 + O2 + 7 H2O

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

AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3

B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3

NiO + HCl = NiCl + HO =>
NiO + HCl = NiCl + HO

NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2

AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3

NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O

Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O

Li2O + HNO3 = LiNO3 + H2O =>
Li2O + 2 HNO3 = 2 LiNO3 + H2O

H2So4 + ZNO = ZNSo4 + H2O =>
H2So4 + ZNO = ZNSo4 + H2O

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

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

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

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

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

FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl

Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4

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

Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3

Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu

Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3

Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu

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Breng de vergelijking van een chemische reactie in evenwicht
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