Given the reaction system in a closed container at equilibrium and at a temperature of 298 K:
2 answers:
Answer:
The measurable quantities of the gases at equilibrium must be constant
Explanation:
Measurable quantities for the gases at equilibrium includes rate of formation of , rate of formation of
, pressure of
and pressure of
.
At equilibrium, rate of forward reaction is equal to rate of reverse reaction.
Rate of forward reaction infers rate of formation of and rate of backward reaction infers rate of formation of
.
As rate of formations from both direction are equal therefore pressure of both gaseous species remains constant.
You might be interested in
The percent yield : 79.9%
<h3>Further eplanation </h3>Percent yield is the comparison of the amount of product obtained from a reaction with the amount you calculated
General formula:
Percent yield = (Actual yield / theoretical yield )x 100%
An actual yield is the amount of product actually produced by the reaction. A theoretical yield is the amount of product that you calculate from the reaction equation according to the product and reactant coefficients
Reaction
Fe(s)+S(s)⇒FeS(s)
The reaction produces 6.29 g of iron(II) sulfide⇒an actual yield
The maximum amount that can be produced is 7.87 g ⇒ A theoretical yield
This is an incomplete question, here is a complete question.
A solution containing CaCl₂ is mixed with a solution of Li₂C₂O₄ to form a solution that is 3.5 × 10⁻⁴ M in calcium ion and 2.33 × 10⁻⁴ M in oxalate ion. What will happen once these solutions are mixed? Ksp (CaC₂O₄) = 2.3 × 10⁻⁹
A. Nothing will happen since both calcium chloride and lithium oxalate are soluble compounds.
B. Nothing will happen Ksp > Q for all possible precipitants.
C. A precipitate will form as calcium oxalate is not soluble to any extent.
D. A precipitate will form since Q > Ksp for calcium oxalate.
Answer : The correct option is, (D) A precipitate will form since Q > Ksp for calcium oxalate.
Explanation :
Concentration of =
Concentration of =
The equilibrium chemical reaction will be:
The solubility constant expression for this reaction is:
Now we have to calculate the ionic product for calcium oxalate.
From this we conclude that, that means a white solid precipitate of calcium oxalate will be formed when the solutions are mixed.
Hence, the correct option is, (D)