SureDen
Factors affecting Equilibrium:-
Le Chatelier’s principle:- It states that if a system in equilibrium
Translatory and Rotatory Equilibrium
Fo
A charge is said to be in equilibrium, if net force acting on it is zero. A system of charges is said to be in equilibrium if each charge is separately in equilibrium.
Types of equilibrium : If net force acting on a particle is zero, it is said to be in equilibrium.
For equilibrium
The process involving physical equilibrium are:
Solid
Characteristics of Equilibrium constant:-
Equilibrium constant is applicable only when concentration of reaction & product have attained
Law of Chemical equilibrium or equilibrium constant:-
Let us consider the reaction
Equilibrium is that state in which the rate of forward reaction equal to rate of backward reaction.
The rate of changes of concentration of the reactant become equa
Types of chemical equilibrium:-
1) Homogeneous equilibrium:- The equilibrium reaction in which all the reactant & produ
(1) Translatory equilibrium : When a body of density P and volume V is immersed in a liquid of density O, the forces acting on the body are
Characteristics of physical equilibrium:-
The system must be a closed one.
The equilibrium should be dynamic in nature.
Equilibrium of Concurrent Forces.
Concurrent Forces: If all the forces working on a body are acting on the same p
Application of Equilibrium Constant:-
It help to predict the extent of reaction on the basis of its magnitude.
It predict the
Equilibrium in Chemical process:-
Let us take some CaCO3 in a vessel & heated upto 1073K, we observe that level of mercury in right
Thermodynamics : It is a branch of science which deals with exchange of heat energy between bodies and conversion of the heat energy into mechanical energy an
Pascal’s Law
As shown in fig. consider an electric dipole in a uniform electric field E with its dipole moment 'p' making an angle θ with the field. Two equal and opposite forces -qE
Gibbs energy-
Gibbs energy of a system is defined as the maximum amount of energy available to the system during a process that can be concentrated
SOLUTIONS
A solution is a homogeneous mixture to two or more chemically non reacting substance whose composition can be varied with in certain lim
Adsorption:- The phenomenon of attracting and retaining the molecules of a substance on the surface of a material (solid or liquid), resulting into a higher c
A point mass suspended from a mass less spring or placed on a frictionless horizontal plane attached with spring (fig.) constitutes a linear harmonic spring pendulum
Bronchid’s concept of acid & base:-
According to Bronchid’s concept, an acid a is a substance which can donate proton
Interatomic Forces
The forces between the atoms due to electrostatic interaction between the charges of the atoms are called interatomic forces. Th
According to the concept, an acid is a substance which can accept a pair of e- while base is a substance which can donate a pair of e-:
Degree of dissociation (degree of ionization):-
It may be defined as the fraction of total no. of molecules of an electrolyte which ionizes into i
Nerst equation of electrode potential (Effect of electrolyte constrictions T)
Electrode potential is said to be standard electrode potential if mea
Relationship between ΔG & the Equilibrium Constant
The relationship b/w free energy & equilibrium constant is represented as
(1) MONOSACCHARIDES
These are the simple carbohydrates which cannot be hydrolyzed to still simpler carbohydrates. They may be aldoses or ketoses de
Whether the liquid will be in equilibrium in the form of a drop or it will spread out; depends on the relative strength of the force due to surface tension at the three interf
Nucleophilic Addition Reactions
Being unsaturated, aldehydes and ketones undergo addition reactions. They have a polar carbonyl group. The carbon o
Test Details
H2+I2⇌2HI
In the above equilibrium system if the concentration of the reactants at 250 C is increa
Test Details
At a certain temprature 2HI⇌H2+I2
only 50% HI is dissociated at equillibrium. The equilibrium constant
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The equilibrium constant Kc for the decompostion of PCI5 is 0.0625mole/lit at 3000C then the value of Kp is
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The equilibrium concentration of X,Y and YX2 are 4,2 and 2 moles respectively for the equilibrium 2X+Y⇌YX2
The value of K
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In a pair of immiscible liquids, a common solute dissolves in both and the equilibrium is reached. Then, the concentration of the solute in upper layer is
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In a pair of immiscible liquids, a common solute dissolves in both and the equilibrium is reached. Then, the concentration of the solute in upper layer is
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Eo for the cell, Zn | Zn2+ (aq)||Cu2+(aq)|Cu is 1.10 V at 25oC. The equilibrium constant for the reaction,
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The standard emf of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V at 25oC. The equilibrium constant of the reaction would be (2004)
Given F = 96500 C mol-1; R = 8.314
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The equilibrium constant of the reaction,
Cu(s) + 2Ag+(aq) --> Cu2+(aq)+ 2Ag(s);
Eo = 0.46 V at 298 K is
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N2O4 is 20% dissociated at 27° C and 760 torr. The density of the equilibrium mixture is
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A circular coil of radius 4 cm has 50 turns. In this coil a current of 2 A is flowing. It is placed in a magnetic field of 0.1 weber/m2. The amount of work done in rotating it through 180o from its equilibrium position will be
Test Details
A circular coil of radius 4 cm has 50 turns. In this coil a current of 2 A is flowing. It is placed in a magnetic field of 0.1 weber/m2. The amount of work done in rotating it through 180o from its equilibrium position will be
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A bar magnet with it's poles 25 cm apart and of pole strength 24 amp×m rests with it's centre on a frictionless pivot. A force F is applied on the magnet at a distance of 12 cm from the pivot so that it is held in equilibrium at
Test Details
Two magnets of equal mass are joined at right angles to each other as shown the magnet 1 has a magnetic moment 3 times that of magnet 2. This arrangement is pivoted so that it is free to rotate in the horizontal plane. In equilibrium what angle will the magnet 1 subtend with the magnetic merid
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Two magnets of equal mass are joined at right angles to each other as shown the magnet 1 has a magnetic moment 3 times that of magnet 2. This arrangement is pivoted so that it is free to rotate in the horizontal plane. In equilibrium what angle will the magnet 1 subtend with the magnetic merid
Test Details
A bar magnet with it's poles 25 cm apart and of pole strength 24 amp×m rests with it's centre on a frictionless pivot. A force F is applied on the magnet at a distance of 12 cm from the pivot so that it is held in equilibrium at
Test Details
A gas in container A is in thermal equilibrium with another gas in container B. both contain equal masses of the two gases in the respective containers. Which of the following can be true
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A gas in container A is in thermal equilibrium with another gas in container B. both contain equal masses of the two gases in the respective containers. Which of the following can be true
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A particle moves in a potential region given by U= 8x2-4x+400 J. Its state of equilibrium will be
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A body is attached to the lower end of a vertical spiral spring and it is gradually lowered to its equilibrium position. This stretches the spring by a length x. If the same body attached to the same spring is allowed to fall suddenly, what would be the maximum stretching in this case
Test Details
A particle moves in a potential region given by U= 8x2-4x+400 J. Its state of equilibrium will be
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