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The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).
Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:
- a)Intermolecular forces
- b)Potential energy
- c)Kinetic energy
- d)None of the above
Correct answer is option 'C'. Can you explain this answer?
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The variables Pressure, Volume, Concentration and Temperature may cha...
At boiling point liquid and vapour phases both are present so the molecules in the two phases have equal kinetic energy.
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The variables Pressure, Volume, Concentration and Temperature may cha...
Explanation:
When a liquid is in equilibrium with its vapor at its boiling point, it means that the rate of evaporation of the liquid is equal to the rate of condensation of the vapor. This equilibrium is maintained due to the intermolecular forces between the molecules of the liquid and the vapor.
Intermolecular forces:
- Intermolecular forces are the forces of attraction between molecules. They include London dispersion forces, dipole-dipole forces, and hydrogen bonding.
- In the case of a liquid-vapor equilibrium, the intermolecular forces between the liquid molecules and the vapor molecules are the same.
- These forces determine the physical properties of substances, such as boiling point, melting point, and solubility.
Potential energy:
- Potential energy is the energy stored in an object or system due to its position or configuration.
- In the context of a liquid-vapor equilibrium, the potential energy of the molecules in the liquid and vapor phases may be different.
- The potential energy does not have to be equal for the equilibrium to be maintained.
Kinetic energy:
- Kinetic energy is the energy of motion of an object or system.
- In the case of a liquid-vapor equilibrium, the average kinetic energy of the molecules in the liquid and vapor phases is equal.
- This is because the temperature at which the boiling point occurs is the temperature at which the average kinetic energy of the molecules is sufficient to overcome the intermolecular forces and transition from the liquid phase to the vapor phase.
Conclusion:
- The correct answer is option 'C' - Kinetic energy.
- On an average, the molecules in the liquid and vapor phases have equal kinetic energy.
- This is because the boiling point is the temperature at which the rate of evaporation equals the rate of condensation, and this equilibrium is maintained by the equal average kinetic energy of the molecules in the two phases.
When a liquid is in equilibrium with its vapor at its boiling point, it means that the rate of evaporation of the liquid is equal to the rate of condensation of the vapor. This equilibrium is maintained due to the intermolecular forces between the molecules of the liquid and the vapor.
Intermolecular forces:
- Intermolecular forces are the forces of attraction between molecules. They include London dispersion forces, dipole-dipole forces, and hydrogen bonding.
- In the case of a liquid-vapor equilibrium, the intermolecular forces between the liquid molecules and the vapor molecules are the same.
- These forces determine the physical properties of substances, such as boiling point, melting point, and solubility.
Potential energy:
- Potential energy is the energy stored in an object or system due to its position or configuration.
- In the context of a liquid-vapor equilibrium, the potential energy of the molecules in the liquid and vapor phases may be different.
- The potential energy does not have to be equal for the equilibrium to be maintained.
Kinetic energy:
- Kinetic energy is the energy of motion of an object or system.
- In the case of a liquid-vapor equilibrium, the average kinetic energy of the molecules in the liquid and vapor phases is equal.
- This is because the temperature at which the boiling point occurs is the temperature at which the average kinetic energy of the molecules is sufficient to overcome the intermolecular forces and transition from the liquid phase to the vapor phase.
Conclusion:
- The correct answer is option 'C' - Kinetic energy.
- On an average, the molecules in the liquid and vapor phases have equal kinetic energy.
- This is because the boiling point is the temperature at which the rate of evaporation equals the rate of condensation, and this equilibrium is maintained by the equal average kinetic energy of the molecules in the two phases.
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The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?
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The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer?.
Solutions for The variables Pressure, Volume, Concentration and Temperature may change the State of Equilibrium. The change is governed by the Le-Chatelier’s principle. The decomposition of NH3(g) can be made spontaneous by increasing the temperature and lowering pressure. In the reaction, removal of any product from the reaction mixture makes the reversible reaction irreversible and therefore, reaction proceeds to completion. Answer the given questions (i) to (iv).Q. A liquid is in equilibrium with its vapour at its boiling point. On an average, the molecules in the two phases have equal:a)Intermolecular forcesb)Potential energyc)Kinetic energyd)None of the aboveCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
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