Equilibrum question regarding this equation: BaC 2 O4 (s) + H + (aq) <--> Ba 2+

Question

Equilibrum question regarding this equation:

BaC2O4(s) + H+(aq) <--> Ba2+(aq) + HC2O4-(aq)

Reagents given: 0.1 M BaCl2, 0.1 M (NH4)2C2O4, 1 M HCl, 1 M NH3

I am tasked with using these reagents with the given equation above in order to determine:

A. Barium oxalate produced by:

B. Net Ionic Equation

C. Equilibrium shifted to the right by

D. Observation

E. Net Ionic Equation:

F. Reason for shift:

g. Equilibrium shifted to the left by:

H. Observation:

L. Net Ionic Equation

J. Reason for shift

These answers should not be that hard and not more than one line each.

Here is a sample that I completed for reference:

Equilibrium Experiment Demonstration ur instructor will demonstrate how to manipulate the following equilibrium. Complete the qu tions that follow Equilibrium established (EQ 17.10) 4 C tetrachlorocobaltate(ID ion chloride ion hexaaquacobalt(I) ion color less blue colorless Reagents: 0.1 M CoC12, 2 M HC1, 0.1 MAgNO3 1. Equilibrium expression: 2. Hexaaquacobalt(II) ion, (Co (H2O)6] s produced by 3. The net ionic equation is: f 4. The equilibrium will be shifted to the RIGHT by (choose a reagent to add in order to shift equi- librium): Add: 5. observation that suggests the equilibrium is shifted to the right: (Color change gas formation, temperature change, precipitate formation) (olor chunge 6. The net ionic equation is: seeeds Ca se 7. The reason for the shift: Forward or reverse reaction speeds up or slows down) 8. The equilibrium will be shifted to the LEFT by: (Choose a reagent to add in order to shift equi librium) 9. observation that suggests the equilibrium is shifted to the left: Color change, gas formation temperature change, precipitate fomation) 10. The net ionic equation is: Slowed do 11. The reason for the shift: (Forward or reverse reaction speeds up or slows down Pa. ved AT shif 12. Increasing the temperature will shift the equilibrium in which direction? 13. observation that suggests the equilibrium is shifting: (Color change, gas formation, temperature change, precipitate formation) do Chun e, n 14. The reasons for the shift: Forward or reverse reaction speeds up or slows down) l- 15. Is the reaction exothermic or endothermic End 16. The net ionic equation is:

Explanation / Answer

a) Ba C2O4 can be obtained by adding 0.1 M Ba Cl2 and 0.1 M ammonium oxalate .

b) the overall reaction is BaCl2 +(NH4)2C2O4 ------> BaC2O4 (s) + NH4Cl

The net ionic equation is

Ba+2(aq) + C2O4-2(aq) ------->BaC2O4 (s)

c) The equilbrium given is shifted to right side by the additionof 1M HCl.

d) The shift in equilibrium is observed by the more solubity of BaC2O4 solid.

e)net ionic equation

H+(aq) + BaC2O4(s) -------> Ba+2 (aq) + HC2O4-(aq)

f) As tthe reactant concentration incresed(H+ added as HCl)according to Le-Chatlier principle , the equilibrium responds in such a way to reduce the concentration of reactant, that is rate of forward reaction increases.

g)The equilibrium is shifted to left by addition of 1M NH3

h) observation is formation of more solid barium oxalate

i) H+ (aq) + NH3(aq) ----> NH4+

j) As the reactant H+ is removed by ammonia addition, more of the products decompose to give back reactants to baalance the effect by Le-Chatlier principle.

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