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Chemische vergelijkingen in evenwicht op02/20/13

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Breng de vergelijking van een chemische reactie in evenwicht
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO

SnO2 + H2O = H2SnO3 =>
SnO2 + H2O = H2SnO3

SnO2 + H2O = H4SnO4 =>
SnO2 + 2 H2O = H4SnO4

Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2

FeSO4 + K2S = K2SO4 + FeS =>
FeSO4 + K2S = K2SO4 + FeS

C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O

Na2O + SO3 = Na2SO4 =>
Na2O + SO3 = Na2SO4

C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O

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

Ba(NO3)2 + K2CrO4 = BaCrO4 + KNO3 =>
Ba(NO3)2 + K2CrO4 = BaCrO4 + 2 KNO3

I2 + KOH = KIO3 + KI + H2O =>
3 I2 + 6 KOH = KIO3 + 5 KI + 3 H2O

K2CrO3 + Na2SO4 = K2SO4 + Na2CrO3 =>
K2CrO3 + Na2SO4 = K2SO4 + Na2CrO3

C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O

C3H5(OH)3 + C18H34O2 = C21H40O4 + H2 =>
10 C3H5(OH)3 + 17 C18H34O2 = 16 C21H40O4 + 9 H2

H2O + Na2B4O7 + H2SO4 = H3BO3 + Na2SO4 =>
5 H2O + Na2B4O7 + H2SO4 = 4 H3BO3 + Na2SO4

C3H5(OH)3 + C18H34O2 = C21H40O4 + H20 =>
100 C3H5(OH)3 + 170 C18H34O2 = 160 C21H40O4 + 9 H20

C3H5(OH)3 + C18H34O2 = C21H40O4 + H2O =>
C3H5(OH)3 + C18H34O2 = C21H40O4 + H2O

H2S2O3 + H2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O =>
3 H2S2O3 + 4 H2Cr2O7 + 6 H2SO4 = 4 Cr2(SO4)3 + 13 H2O

C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O

H3X + NaOH = Na3X + H2O =>
H3X + 3 NaOH = Na3X + 3 H2O

C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O

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

Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O

CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2

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

(NH4)6W12O39 + NH4VO3 + (NH4)2HPO4 + HNO3 = W5V5P10O50 + N2 + H2O =>
5(NH4)6W12O39 + 60 NH4VO3 + 120(NH4)2HPO4 + 186 HNO3 = 12 W5V5P10O50 + 258 N2 + 813 H2O

ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2

KNO2 + KI + H2SO4 = I2 + NO + K2SO4 + H2O =>
2 KNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + 2 K2SO4 + 2 H2O

Br2 + HI = HBr + I =>
Br2 + 2 HI = 2 HBr + 2 I

Br2 + HI = HBr + I2 =>
Br2 + 2 HI = 2 HBr + I2

Br + NH4 = NH4Br =>
Br + NH4 = NH4Br

NAOH + AGNO3 = NANO3 + AGOH =>
NAOH + AGNO3 = NANO3 + AGOH

Br + NH3 = NH3Br =>
Br + NH3 = NH3Br

C4H8 + O2 = CO2 + H20 =>
5 C4H8 + 20 O2 = 20 CO2 + 2 H20

Zn(s) + CuSO4(l) = ZnSO4(l) + Cu(s) =>
Zn(s) + CuSO4(l) = ZnSO4(l) + Cu(s)

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

P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4

NH4 + NO3 = N2O + H2O =>
NH4 + NO3 = N2O + 2 H2O

C3H8 + O2 = CO2 + H20 =>
5 C3H8 + 15 O2 = 15 CO2 + 2 H20

(NH4)6W12O39 + NH4VO3 + (NH4)2HPO4 + HNO3 = W6V4P10O50 + N2 + H2O =>
(NH4)6W12O39 + 8 NH4VO3 + 20(NH4)2HPO4 + 30 HNO3 = 2 W6V4P10O50 + 42 N2 + 133 H2O

Fe + Cl = FeCl =>
Fe + Cl = FeCl

P4(s) + F2(g) = PF3(g) =>
P4(s) + 6 F2(g) = 4 PF3(g)

Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3

Cu(s) + AgNO3(l) = Cu(NO3)2 + Ag =>
Cu(s) + 2 AgNO3(l) = Cu(NO3)2 + 2 Ag

Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2

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

C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6

Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag

NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl

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

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Breng de vergelijking van een chemische reactie in evenwicht
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