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Chemische vergelijkingen in evenwicht op01/10/25

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Breng de vergelijking van een chemische reactie in evenwicht
K2Cr2O7 + K2HPO3 + H2SO4 = Cr2(SO4)3 + K2HPO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 K2HPO3 + 4 H2SO4 = Cr2(SO4)3 + 3 K2HPO4 + K2SO4 + 4 H2O

CuO + Zn(OH)2 = Cu(OH)2 + ZnO =>
CuO + Zn(OH)2 = Cu(OH)2 + ZnO

BrCN + NaOH = H2O + NaBr + NaOCN =>
BrCN + 2 NaOH = H2O + NaBr + NaOCN

Cs + O2 = CsO =>
2 Cs + O2 = 2 CsO

Fe2(CO3)3 + Hg(NO2)2 = Fe2(NO2)2 + Hg(CO3)3 =>
Fe2(CO3)3 + Hg(NO2)2 = Fe2(NO2)2 + Hg(CO3)3

H3PO2 + RbOH = Rb3PO2 + H2O =>
H3PO2 + 3 RbOH = Rb3PO2 + 3 H2O

Br2 + Ca(OH)2 = HBr + Ca + O2 =>
Br2 + Ca(OH)2 = 2 HBr + Ca + O2

Na(Al(OH)4) + CO2 = Na2CO3 + Al(OH)3 + H2O =>
2 Na(Al(OH)4) + CO2 = Na2CO3 + 2 Al(OH)3 + H2O

Al2O3 + O2 + H2SO4 = Al(SO4)3 + H2O =>
2 Al2O3 + 3 O2 + 12 H2SO4 = 4 Al(SO4)3 + 12 H2O

C6H5OOCCH3 + NaOH = C6H5COONa + CH3OH =>
C6H5OOCCH3 + NaOH = C6H5COONa + CH3OH

U + HCl = UCl4 + H2 =>
U + 4 HCl = UCl4 + 2 H2

CO10 + H2O = HC + O =>
2 CO10 + H2O = 2 HC + 21 O

LiOH + HP = HOH + LiP =>
LiOH + HP = HOH + LiP

Pb(OH)4 + NaOH = Na2[Pb(OH)6] =>
Pb(OH)4 + 2 NaOH = Na2[Pb(OH)6]

SO4H2 + NH3 = (NH4)2SO4 =>
SO4H2 + 2 NH3 = (NH4)2SO4

NH4Cl(aq) + Ba(OH)2(aq) = BaCl2(s) + NH3(g) + H2O(l) =>
2 NH4Cl(aq) + Ba(OH)2(aq) = BaCl2(s) + 2 NH3(g) + 2 H2O(l)

Ca(OH)2 + Al(OH)3 = CaAl2O4 + H2O =>
Ca(OH)2 + 2 Al(OH)3 = CaAl2O4 + 4 H2O

P + K = K3P =>
P + 3 K = K3P

(SiO)4 + (Mg2)6 = (Mg)2(SiO)4 =>
6(SiO)4 + (Mg2)6 = 6(Mg)2(SiO)4

CrO3 + C = Cr + CO2 =>
2 CrO3 + 3 C = 2 Cr + 3 CO2

NaCr2 + PbO2 + NaOH = Na2PbO2 + NaCrO4 + H2O =>
2 NaCr2 + 15 PbO2 + 32 NaOH = 15 Na2PbO2 + 4 NaCrO4 + 16 H2O

B6H10 + O2 = B2H3 + H2O =>
4 B6H10 + O2 = 12 B2H3 + 2 H2O

H2SO3 + KIO3 = H2SO4 + KI =>
3 H2SO3 + KIO3 = 3 H2SO4 + KI

NH4Cl = N + H4Cl =>
NH4Cl = N + H4Cl

(Hg2)(SO4)2 + (NH4)(NO3) = (Hg2)(NO3)2 + (NH4)(SO4) =>
(Hg2)(SO4)2 + 2(NH4)(NO3) = (Hg2)(NO3)2 + 2(NH4)(SO4)

Na10H2W12O42 + HCl + SnCl2 = W5O14 + Na2SnCl6 + NaCl + H2O =>
5 Na10H2W12O42 + 74 HCl + 12 SnCl2 = 12 W5O14 + 12 Na2SnCl6 + 26 NaCl + 42 H2O

Na2CO3 + HCI = NaHCI + CO3 =>
Na2CO3 + 2 HCI = 2 NaHCI + CO3

NaOCl + FeCl3 = FeO + NaCl + Cl2 =>
2 NaOCl + 2 FeCl3 = 2 FeO + 2 NaCl + 3 Cl2

AgNO3 + C3H8O3 = Ag + N2 + H2O + CO2 =>
14 AgNO3 + 6 C3H8O3 = 14 Ag + 7 N2 + 24 H2O + 18 CO2

K2CO3 + Sb2S3 = K + Sb + C + SO3 =>
3 K2CO3 + Sb2S3 = 6 K + 2 Sb + 3 C + 3 SO3

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

Si + Cl2 = Si2Cl6 =>
2 Si + 3 Cl2 = Si2Cl6

K2Cr2O7 + K2HPO3 + KOH = K3(Cr(OH)4) + K3PO4 + H2O =>
K2Cr2O7 + 5 K2HPO3 + 9 KOH = 2 K3(Cr(OH)4) + 5 K3PO4 + 3 H2O

Fe(HS)2 + NaOH = FeS + Na2S + H2O =>
Fe(HS)2 + 2 NaOH = FeS + Na2S + 2 H2O

CuO + Zn(OH)2 = Cu(OH)2 + ZnO =>
CuO + Zn(OH)2 = Cu(OH)2 + ZnO

Al(NO3)3 + (NH4)OH = Al(OH)3 + (NH4)(NO3) =>
Al(NO3)3 + 3(NH4)OH = Al(OH)3 + 3(NH4)(NO3)

Cd(NO3)2 + Na2S = CdS + NaNO3 =>
Cd(NO3)2 + Na2S = CdS + 2 NaNO3

FeCl2*4H2O + FeCl3*6H2O + NH4OH = Fe3O4 + NH4Cl + H2O =>
FeCl2*4H2O + 2 FeCl3*6H2O + 8 NH4OH = Fe3O4 + 8 NH4Cl + 20 H2O

BrCN + NaOH = H2O + NaBr + NaOCN =>
BrCN + 2 NaOH = H2O + NaBr + NaOCN

Al2(SO4)3 + CH3COONa + H2O = Al(OH)3 + Na2SO4 + CH3COOH =>
Al2(SO4)3 + 6 CH3COONa + 6 H2O = 2 Al(OH)3 + 3 Na2SO4 + 6 CH3COOH

Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4

IO3 + H = I2 + H2O =>
2 IO3 + 12 H = I2 + 6 H2O

C6H15O7N + O2 = CO2 + H2O + NH3 =>
2 C6H15O7N + 11 O2 = 12 CO2 + 12 H2O + 2 NH3

SH + H2SO4 = S + H2O =>
6 SH + H2SO4 = 7 S + 4 H2O

CrO3 + KOH = K2Cr4O13 + H2O =>
4 CrO3 + 2 KOH = K2Cr4O13 + H2O

Pb(NO3)2 + K2S = PbS + KNO3 =>
Pb(NO3)2 + K2S = PbS + 2 KNO3

P + H2O2 = PO2 + H2O =>
P + 2 H2O2 = PO2 + 2 H2O

Al(OH)3 + NaHCO3 = Al(HCO3)3 + NaOH =>
Al(OH)3 + 3 NaHCO3 = Al(HCO3)3 + 3 NaOH

MeO + HCl = MeCl + OH =>
MeO + HCl = MeCl + OH

N3OH3 + O2 = NO2 + H2O =>
4 N3OH3 + 13 O2 = 12 NO2 + 6 H2O

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Breng de vergelijking van een chemische reactie in evenwicht
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