Consider a stoppered flask containing benzene, iodine, and air which has reached equilibrium at 298 K. Which one of the following statements concerning the system at equilibrium is true? The pressure of the vapour phase is not constant. Evaporation of the liquid continues. The colour of the liquid phase will change. The mass of solid iodine is not constant. Question Solutions of A and B are mixed and brought to equilibrium. The starting concentrations of A and B are 0.80 mol/L, each. C and D are produced according to the following equation: A(aq) + B(aq) F C(aq) + 2D(aq) If the equilibrium concentration of C is 0.60 mol/L, the equilibrium concentration of A is:

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
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Question 4
Consider a stoppered flask containing
benzene, iodine, and air which has reached
equilibrium at 298 K. Which one of the
following statements concerning the system
at equilibrium is true?
The pressure of the vapour phase is not constant.
Evaporation of the liquid continues.
The colour of the liquid phase will change.
The mass of solid iodine is not constant.
Question 5
Solutions of A and B are mixed and brought to
equilibrium. The starting concentrations of A
and B are 0.80 mol/L, each. C and D are
produced according to the following equation:
A(aq) + B(aq) = C(aq) + 2D(aq)
If the equilibrium concentration of C is 0.60
mol/L, the equilibrium concentration of A is:
0.20 mol/L
0.40 mol/L
0.60 mol/L
0.80 mol/L
Question 6
For the reaction:
2A(g) = 3B(g) + C(g)
the equilibrium constant expression is
[A]?/[C][B]³
| 2|A}°/IC][]3B}³
[C][B]³/[A]²
O [CI[B}?/[2A]?
Transcribed Image Text:Question 4 Consider a stoppered flask containing benzene, iodine, and air which has reached equilibrium at 298 K. Which one of the following statements concerning the system at equilibrium is true? The pressure of the vapour phase is not constant. Evaporation of the liquid continues. The colour of the liquid phase will change. The mass of solid iodine is not constant. Question 5 Solutions of A and B are mixed and brought to equilibrium. The starting concentrations of A and B are 0.80 mol/L, each. C and D are produced according to the following equation: A(aq) + B(aq) = C(aq) + 2D(aq) If the equilibrium concentration of C is 0.60 mol/L, the equilibrium concentration of A is: 0.20 mol/L 0.40 mol/L 0.60 mol/L 0.80 mol/L Question 6 For the reaction: 2A(g) = 3B(g) + C(g) the equilibrium constant expression is [A]?/[C][B]³ | 2|A}°/IC][]3B}³ [C][B]³/[A]² O [CI[B}?/[2A]?
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